| File: | root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c |
| Warning: | line 6901, column 7 Value stored to 'rc' is never read |
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| 1 | #include "sqlite-vec.h" |
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <errno(*__errno_location ()).h> |
| 5 | #include <float.h> |
| 6 | #include <inttypes.h> |
| 7 | #include <limits.h> |
| 8 | #include <math.h> |
| 9 | #include <stdbool.h> |
| 10 | #include <stdint.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <string.h> |
| 13 | |
| 14 | #ifndef SQLITE_VEC_OMIT_FS |
| 15 | #include <stdio.h> |
| 16 | #endif |
| 17 | |
| 18 | #ifndef SQLITE_CORE |
| 19 | #include "sqlite3ext.h" |
| 20 | SQLITE_EXTENSION_INIT3extern const sqlite3_api_routines *sqlite3_api; |
| 21 | #else |
| 22 | #include "sqlite3.h" |
| 23 | #endif |
| 24 | |
| 25 | #ifndef UINT32_TYPEunsigned int |
| 26 | #ifdef HAVE_UINT32_T |
| 27 | #define UINT32_TYPEunsigned int uint32_t |
| 28 | #else |
| 29 | #define UINT32_TYPEunsigned int unsigned int |
| 30 | #endif |
| 31 | #endif |
| 32 | #ifndef UINT16_TYPEunsigned short int |
| 33 | #ifdef HAVE_UINT16_T |
| 34 | #define UINT16_TYPEunsigned short int uint16_t |
| 35 | #else |
| 36 | #define UINT16_TYPEunsigned short int unsigned short int |
| 37 | #endif |
| 38 | #endif |
| 39 | #ifndef INT16_TYPEshort int |
| 40 | #ifdef HAVE_INT16_T |
| 41 | #define INT16_TYPEshort int int16_t |
| 42 | #else |
| 43 | #define INT16_TYPEshort int short int |
| 44 | #endif |
| 45 | #endif |
| 46 | #ifndef UINT8_TYPEunsigned char |
| 47 | #ifdef HAVE_UINT8_T |
| 48 | #define UINT8_TYPEunsigned char uint8_t |
| 49 | #else |
| 50 | #define UINT8_TYPEunsigned char unsigned char |
| 51 | #endif |
| 52 | #endif |
| 53 | #ifndef INT8_TYPEsigned char |
| 54 | #ifdef HAVE_INT8_T |
| 55 | #define INT8_TYPEsigned char int8_t |
| 56 | #else |
| 57 | #define INT8_TYPEsigned char signed char |
| 58 | #endif |
| 59 | #endif |
| 60 | #ifndef LONGDOUBLE_TYPElong double |
| 61 | #define LONGDOUBLE_TYPElong double long double |
| 62 | #endif |
| 63 | |
| 64 | typedef int8_t i8; |
| 65 | typedef uint8_t u8; |
| 66 | typedef int16_t i16; |
| 67 | typedef int32_t i32; |
| 68 | typedef sqlite3_int64 i64; |
| 69 | typedef uint32_t u32; |
| 70 | typedef uint64_t u64; |
| 71 | typedef float f32; |
| 72 | typedef size_t usize; |
| 73 | |
| 74 | #ifndef UNUSED_PARAMETER |
| 75 | #define UNUSED_PARAMETER(X)(void)(X) (void)(X) |
| 76 | #endif |
| 77 | |
| 78 | // sqlite3_vtab_in() was added in SQLite version 3.38 (2022-02-22) |
| 79 | // https://www.sqlite.org/changes.html#version_3_38_0 |
| 80 | #if SQLITE_VERSION_NUMBER3050001 >= 3038000 |
| 81 | #define COMPILER_SUPPORTS_VTAB_IN1 1 |
| 82 | #endif |
| 83 | |
| 84 | #ifndef SQLITE_SUBTYPE0x000100000 |
| 85 | #define SQLITE_SUBTYPE0x000100000 0x000100000 |
| 86 | #endif |
| 87 | |
| 88 | #ifndef SQLITE_RESULT_SUBTYPE0x001000000 |
| 89 | #define SQLITE_RESULT_SUBTYPE0x001000000 0x001000000 |
| 90 | #endif |
| 91 | |
| 92 | #ifndef SQLITE_INDEX_CONSTRAINT_LIMIT73 |
| 93 | #define SQLITE_INDEX_CONSTRAINT_LIMIT73 73 |
| 94 | #endif |
| 95 | |
| 96 | #ifndef SQLITE_INDEX_CONSTRAINT_OFFSET74 |
| 97 | #define SQLITE_INDEX_CONSTRAINT_OFFSET74 74 |
| 98 | #endif |
| 99 | |
| 100 | #define countof(x)(sizeof(x) / sizeof((x)[0])) (sizeof(x) / sizeof((x)[0])) |
| 101 | #define min(a, b)(((a) <= (b)) ? (a) : (b)) (((a) <= (b)) ? (a) : (b)) |
| 102 | |
| 103 | enum VectorElementType { |
| 104 | // clang-format off |
| 105 | SQLITE_VEC_ELEMENT_TYPE_FLOAT32 = 223 + 0, |
| 106 | SQLITE_VEC_ELEMENT_TYPE_BIT = 223 + 1, |
| 107 | SQLITE_VEC_ELEMENT_TYPE_INT8 = 223 + 2, |
| 108 | // clang-format on |
| 109 | }; |
| 110 | |
| 111 | #ifdef SQLITE_VEC_ENABLE_AVX |
| 112 | #include <immintrin.h> |
| 113 | #define PORTABLE_ALIGN32 __attribute__((aligned(32))) |
| 114 | #define PORTABLE_ALIGN64 __attribute__((aligned(64))) |
| 115 | |
| 116 | static f32 l2_sqr_float_avx(const void *pVect1v, const void *pVect2v, |
| 117 | const void *qty_ptr) { |
| 118 | f32 *pVect1 = (f32 *)pVect1v; |
| 119 | f32 *pVect2 = (f32 *)pVect2v; |
| 120 | size_t qty = *((size_t *)qty_ptr); |
| 121 | f32 PORTABLE_ALIGN32 TmpRes[8]; |
| 122 | size_t qty16 = qty >> 4; |
| 123 | |
| 124 | const f32 *pEnd1 = pVect1 + (qty16 << 4); |
| 125 | |
| 126 | __m256 diff, v1, v2; |
| 127 | __m256 sum = _mm256_set1_ps(0); |
| 128 | |
| 129 | while (pVect1 < pEnd1) { |
| 130 | v1 = _mm256_loadu_ps(pVect1); |
| 131 | pVect1 += 8; |
| 132 | v2 = _mm256_loadu_ps(pVect2); |
| 133 | pVect2 += 8; |
| 134 | diff = _mm256_sub_ps(v1, v2); |
| 135 | sum = _mm256_add_ps(sum, _mm256_mul_ps(diff, diff)); |
| 136 | |
| 137 | v1 = _mm256_loadu_ps(pVect1); |
| 138 | pVect1 += 8; |
| 139 | v2 = _mm256_loadu_ps(pVect2); |
| 140 | pVect2 += 8; |
| 141 | diff = _mm256_sub_ps(v1, v2); |
| 142 | sum = _mm256_add_ps(sum, _mm256_mul_ps(diff, diff)); |
| 143 | } |
| 144 | |
| 145 | _mm256_store_ps(TmpRes, sum); |
| 146 | return sqrt(TmpRes[0] + TmpRes[1] + TmpRes[2] + TmpRes[3] + TmpRes[4] + |
| 147 | TmpRes[5] + TmpRes[6] + TmpRes[7]); |
| 148 | } |
| 149 | #endif |
| 150 | |
| 151 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 152 | #include <arm_neon.h> |
| 153 | |
| 154 | #define PORTABLE_ALIGN32 __attribute__((aligned(32))) |
| 155 | |
| 156 | // thx https://github.com/nmslib/hnswlib/pull/299/files |
| 157 | static f32 l2_sqr_float_neon(const void *pVect1v, const void *pVect2v, |
| 158 | const void *qty_ptr) { |
| 159 | f32 *pVect1 = (f32 *)pVect1v; |
| 160 | f32 *pVect2 = (f32 *)pVect2v; |
| 161 | size_t qty = *((size_t *)qty_ptr); |
| 162 | size_t qty16 = qty >> 4; |
| 163 | |
| 164 | const f32 *pEnd1 = pVect1 + (qty16 << 4); |
| 165 | |
| 166 | float32x4_t diff, v1, v2; |
| 167 | float32x4_t sum0 = vdupq_n_f32(0); |
| 168 | float32x4_t sum1 = vdupq_n_f32(0); |
| 169 | float32x4_t sum2 = vdupq_n_f32(0); |
| 170 | float32x4_t sum3 = vdupq_n_f32(0); |
| 171 | |
| 172 | while (pVect1 < pEnd1) { |
| 173 | v1 = vld1q_f32(pVect1); |
| 174 | pVect1 += 4; |
| 175 | v2 = vld1q_f32(pVect2); |
| 176 | pVect2 += 4; |
| 177 | diff = vsubq_f32(v1, v2); |
| 178 | sum0 = vfmaq_f32(sum0, diff, diff); |
| 179 | |
| 180 | v1 = vld1q_f32(pVect1); |
| 181 | pVect1 += 4; |
| 182 | v2 = vld1q_f32(pVect2); |
| 183 | pVect2 += 4; |
| 184 | diff = vsubq_f32(v1, v2); |
| 185 | sum1 = vfmaq_f32(sum1, diff, diff); |
| 186 | |
| 187 | v1 = vld1q_f32(pVect1); |
| 188 | pVect1 += 4; |
| 189 | v2 = vld1q_f32(pVect2); |
| 190 | pVect2 += 4; |
| 191 | diff = vsubq_f32(v1, v2); |
| 192 | sum2 = vfmaq_f32(sum2, diff, diff); |
| 193 | |
| 194 | v1 = vld1q_f32(pVect1); |
| 195 | pVect1 += 4; |
| 196 | v2 = vld1q_f32(pVect2); |
| 197 | pVect2 += 4; |
| 198 | diff = vsubq_f32(v1, v2); |
| 199 | sum3 = vfmaq_f32(sum3, diff, diff); |
| 200 | } |
| 201 | |
| 202 | f32 sum_scalar = |
| 203 | vaddvq_f32(vaddq_f32(vaddq_f32(sum0, sum1), vaddq_f32(sum2, sum3))); |
| 204 | const f32 *pEnd2 = pVect1 + (qty - (qty16 << 4)); |
| 205 | while (pVect1 < pEnd2) { |
| 206 | f32 diff = *pVect1 - *pVect2; |
| 207 | sum_scalar += diff * diff; |
| 208 | pVect1++; |
| 209 | pVect2++; |
| 210 | } |
| 211 | |
| 212 | return sqrt(sum_scalar); |
| 213 | } |
| 214 | |
| 215 | static f32 l2_sqr_int8_neon(const void *pVect1v, const void *pVect2v, |
| 216 | const void *qty_ptr) { |
| 217 | i8 *pVect1 = (i8 *)pVect1v; |
| 218 | i8 *pVect2 = (i8 *)pVect2v; |
| 219 | size_t qty = *((size_t *)qty_ptr); |
| 220 | |
| 221 | const i8 *pEnd1 = pVect1 + qty; |
| 222 | i32 sum_scalar = 0; |
| 223 | |
| 224 | while (pVect1 < pEnd1 - 7) { |
| 225 | // loading 8 at a time |
| 226 | int8x8_t v1 = vld1_s8(pVect1); |
| 227 | int8x8_t v2 = vld1_s8(pVect2); |
| 228 | pVect1 += 8; |
| 229 | pVect2 += 8; |
| 230 | |
| 231 | // widen to protect against overflow |
| 232 | int16x8_t v1_wide = vmovl_s8(v1); |
| 233 | int16x8_t v2_wide = vmovl_s8(v2); |
| 234 | |
| 235 | int16x8_t diff = vsubq_s16(v1_wide, v2_wide); |
| 236 | int16x8_t squared_diff = vmulq_s16(diff, diff); |
| 237 | int32x4_t sum = vpaddlq_s16(squared_diff); |
| 238 | |
| 239 | sum_scalar += vgetq_lane_s32(sum, 0) + vgetq_lane_s32(sum, 1) + |
| 240 | vgetq_lane_s32(sum, 2) + vgetq_lane_s32(sum, 3); |
| 241 | } |
| 242 | |
| 243 | // handle leftovers |
| 244 | while (pVect1 < pEnd1) { |
| 245 | i16 diff = (i16)*pVect1 - (i16)*pVect2; |
| 246 | sum_scalar += diff * diff; |
| 247 | pVect1++; |
| 248 | pVect2++; |
| 249 | } |
| 250 | |
| 251 | return sqrtf(sum_scalar); |
| 252 | } |
| 253 | |
| 254 | static i32 l1_int8_neon(const void *pVect1v, const void *pVect2v, |
| 255 | const void *qty_ptr) { |
| 256 | i8 *pVect1 = (i8 *)pVect1v; |
| 257 | i8 *pVect2 = (i8 *)pVect2v; |
| 258 | size_t qty = *((size_t *)qty_ptr); |
| 259 | |
| 260 | const int8_t *pEnd1 = pVect1 + qty; |
| 261 | |
| 262 | int32x4_t acc1 = vdupq_n_s32(0); |
| 263 | int32x4_t acc2 = vdupq_n_s32(0); |
| 264 | int32x4_t acc3 = vdupq_n_s32(0); |
| 265 | int32x4_t acc4 = vdupq_n_s32(0); |
| 266 | |
| 267 | while (pVect1 < pEnd1 - 63) { |
| 268 | int8x16_t v1 = vld1q_s8(pVect1); |
| 269 | int8x16_t v2 = vld1q_s8(pVect2); |
| 270 | int8x16_t diff1 = vabdq_s8(v1, v2); |
| 271 | acc1 = vaddq_s32(acc1, vpaddlq_u16(vpaddlq_u8(diff1))); |
| 272 | |
| 273 | v1 = vld1q_s8(pVect1 + 16); |
| 274 | v2 = vld1q_s8(pVect2 + 16); |
| 275 | int8x16_t diff2 = vabdq_s8(v1, v2); |
| 276 | acc2 = vaddq_s32(acc2, vpaddlq_u16(vpaddlq_u8(diff2))); |
| 277 | |
| 278 | v1 = vld1q_s8(pVect1 + 32); |
| 279 | v2 = vld1q_s8(pVect2 + 32); |
| 280 | int8x16_t diff3 = vabdq_s8(v1, v2); |
| 281 | acc3 = vaddq_s32(acc3, vpaddlq_u16(vpaddlq_u8(diff3))); |
| 282 | |
| 283 | v1 = vld1q_s8(pVect1 + 48); |
| 284 | v2 = vld1q_s8(pVect2 + 48); |
| 285 | int8x16_t diff4 = vabdq_s8(v1, v2); |
| 286 | acc4 = vaddq_s32(acc4, vpaddlq_u16(vpaddlq_u8(diff4))); |
| 287 | |
| 288 | pVect1 += 64; |
| 289 | pVect2 += 64; |
| 290 | } |
| 291 | |
| 292 | while (pVect1 < pEnd1 - 15) { |
| 293 | int8x16_t v1 = vld1q_s8(pVect1); |
| 294 | int8x16_t v2 = vld1q_s8(pVect2); |
| 295 | int8x16_t diff = vabdq_s8(v1, v2); |
| 296 | acc1 = vaddq_s32(acc1, vpaddlq_u16(vpaddlq_u8(diff))); |
| 297 | pVect1 += 16; |
| 298 | pVect2 += 16; |
| 299 | } |
| 300 | |
| 301 | int32x4_t acc = vaddq_s32(vaddq_s32(acc1, acc2), vaddq_s32(acc3, acc4)); |
| 302 | |
| 303 | int32_t sum = 0; |
| 304 | while (pVect1 < pEnd1) { |
| 305 | int32_t diff = abs((int32_t)*pVect1 - (int32_t)*pVect2); |
| 306 | sum += diff; |
| 307 | pVect1++; |
| 308 | pVect2++; |
| 309 | } |
| 310 | |
| 311 | return vaddvq_s32(acc) + sum; |
| 312 | } |
| 313 | |
| 314 | static double l1_f32_neon(const void *pVect1v, const void *pVect2v, |
| 315 | const void *qty_ptr) { |
| 316 | f32 *pVect1 = (f32 *)pVect1v; |
| 317 | f32 *pVect2 = (f32 *)pVect2v; |
| 318 | size_t qty = *((size_t *)qty_ptr); |
| 319 | |
| 320 | const f32 *pEnd1 = pVect1 + qty; |
| 321 | float64x2_t acc = vdupq_n_f64(0); |
| 322 | |
| 323 | while (pVect1 < pEnd1 - 3) { |
| 324 | float32x4_t v1 = vld1q_f32(pVect1); |
| 325 | float32x4_t v2 = vld1q_f32(pVect2); |
| 326 | pVect1 += 4; |
| 327 | pVect2 += 4; |
| 328 | |
| 329 | // f32x4 -> f64x2 pad for overflow |
| 330 | float64x2_t low_diff = vabdq_f64(vcvt_f64_f32(vget_low_f32(v1)), |
| 331 | vcvt_f64_f32(vget_low_f32(v2))); |
| 332 | float64x2_t high_diff = |
| 333 | vabdq_f64(vcvt_high_f64_f32(v1), vcvt_high_f64_f32(v2)); |
| 334 | |
| 335 | acc = vaddq_f64(acc, vaddq_f64(low_diff, high_diff)); |
| 336 | } |
| 337 | |
| 338 | double sum = 0; |
| 339 | while (pVect1 < pEnd1) { |
| 340 | sum += fabs((double)*pVect1 - (double)*pVect2); |
| 341 | pVect1++; |
| 342 | pVect2++; |
| 343 | } |
| 344 | |
| 345 | return vaddvq_f64(acc) + sum; |
| 346 | } |
| 347 | #endif |
| 348 | |
| 349 | static f32 l2_sqr_float(const void *pVect1v, const void *pVect2v, |
| 350 | const void *qty_ptr) { |
| 351 | f32 *pVect1 = (f32 *)pVect1v; |
| 352 | f32 *pVect2 = (f32 *)pVect2v; |
| 353 | size_t qty = *((size_t *)qty_ptr); |
| 354 | |
| 355 | f32 res = 0; |
| 356 | for (size_t i = 0; i < qty; i++) { |
| 357 | f32 t = *pVect1 - *pVect2; |
| 358 | pVect1++; |
| 359 | pVect2++; |
| 360 | res += t * t; |
| 361 | } |
| 362 | return sqrt(res); |
| 363 | } |
| 364 | |
| 365 | static f32 l2_sqr_int8(const void *pA, const void *pB, const void *pD) { |
| 366 | i8 *a = (i8 *)pA; |
| 367 | i8 *b = (i8 *)pB; |
| 368 | size_t d = *((size_t *)pD); |
| 369 | |
| 370 | f32 res = 0; |
| 371 | for (size_t i = 0; i < d; i++) { |
| 372 | f32 t = *a - *b; |
| 373 | a++; |
| 374 | b++; |
| 375 | res += t * t; |
| 376 | } |
| 377 | return sqrt(res); |
| 378 | } |
| 379 | |
| 380 | static f32 distance_l2_sqr_float(const void *a, const void *b, const void *d) { |
| 381 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 382 | if ((*(const size_t *)d) > 16) { |
| 383 | return l2_sqr_float_neon(a, b, d); |
| 384 | } |
| 385 | #endif |
| 386 | #ifdef SQLITE_VEC_ENABLE_AVX |
| 387 | if (((*(const size_t *)d) % 16 == 0)) { |
| 388 | return l2_sqr_float_avx(a, b, d); |
| 389 | } |
| 390 | #endif |
| 391 | return l2_sqr_float(a, b, d); |
| 392 | } |
| 393 | |
| 394 | static f32 distance_l2_sqr_int8(const void *a, const void *b, const void *d) { |
| 395 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 396 | if ((*(const size_t *)d) > 7) { |
| 397 | return l2_sqr_int8_neon(a, b, d); |
| 398 | } |
| 399 | #endif |
| 400 | return l2_sqr_int8(a, b, d); |
| 401 | } |
| 402 | |
| 403 | static i32 l1_int8(const void *pA, const void *pB, const void *pD) { |
| 404 | i8 *a = (i8 *)pA; |
| 405 | i8 *b = (i8 *)pB; |
| 406 | size_t d = *((size_t *)pD); |
| 407 | |
| 408 | i32 res = 0; |
| 409 | for (size_t i = 0; i < d; i++) { |
| 410 | res += abs(*a - *b); |
| 411 | a++; |
| 412 | b++; |
| 413 | } |
| 414 | |
| 415 | return res; |
| 416 | } |
| 417 | |
| 418 | static i32 distance_l1_int8(const void *a, const void *b, const void *d) { |
| 419 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 420 | if ((*(const size_t *)d) > 15) { |
| 421 | return l1_int8_neon(a, b, d); |
| 422 | } |
| 423 | #endif |
| 424 | return l1_int8(a, b, d); |
| 425 | } |
| 426 | |
| 427 | static double l1_f32(const void *pA, const void *pB, const void *pD) { |
| 428 | f32 *a = (f32 *)pA; |
| 429 | f32 *b = (f32 *)pB; |
| 430 | size_t d = *((size_t *)pD); |
| 431 | |
| 432 | double res = 0; |
| 433 | for (size_t i = 0; i < d; i++) { |
| 434 | res += fabs((double)*a - (double)*b); |
| 435 | a++; |
| 436 | b++; |
| 437 | } |
| 438 | |
| 439 | return res; |
| 440 | } |
| 441 | |
| 442 | static double distance_l1_f32(const void *a, const void *b, const void *d) { |
| 443 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 444 | if ((*(const size_t *)d) > 3) { |
| 445 | return l1_f32_neon(a, b, d); |
| 446 | } |
| 447 | #endif |
| 448 | return l1_f32(a, b, d); |
| 449 | } |
| 450 | |
| 451 | static f32 distance_cosine_float(const void *pVect1v, const void *pVect2v, |
| 452 | const void *qty_ptr) { |
| 453 | f32 *pVect1 = (f32 *)pVect1v; |
| 454 | f32 *pVect2 = (f32 *)pVect2v; |
| 455 | size_t qty = *((size_t *)qty_ptr); |
| 456 | |
| 457 | f32 dot = 0; |
| 458 | f32 aMag = 0; |
| 459 | f32 bMag = 0; |
| 460 | for (size_t i = 0; i < qty; i++) { |
| 461 | dot += *pVect1 * *pVect2; |
| 462 | aMag += *pVect1 * *pVect1; |
| 463 | bMag += *pVect2 * *pVect2; |
| 464 | pVect1++; |
| 465 | pVect2++; |
| 466 | } |
| 467 | return 1 - (dot / (sqrt(aMag) * sqrt(bMag))); |
| 468 | } |
| 469 | static f32 distance_cosine_int8(const void *pA, const void *pB, |
| 470 | const void *pD) { |
| 471 | i8 *a = (i8 *)pA; |
| 472 | i8 *b = (i8 *)pB; |
| 473 | size_t d = *((size_t *)pD); |
| 474 | |
| 475 | f32 dot = 0; |
| 476 | f32 aMag = 0; |
| 477 | f32 bMag = 0; |
| 478 | for (size_t i = 0; i < d; i++) { |
| 479 | dot += *a * *b; |
| 480 | aMag += *a * *a; |
| 481 | bMag += *b * *b; |
| 482 | a++; |
| 483 | b++; |
| 484 | } |
| 485 | return 1 - (dot / (sqrt(aMag) * sqrt(bMag))); |
| 486 | } |
| 487 | |
| 488 | // https://github.com/facebookresearch/faiss/blob/77e2e79cd0a680adc343b9840dd865da724c579e/faiss/utils/hamming_distance/common.h#L34 |
| 489 | static u8 hamdist_table[256] = { |
| 490 | 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, 1, 2, 2, 3, 2, 3, 3, 4, |
| 491 | 2, 3, 3, 4, 3, 4, 4, 5, 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 492 | 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 1, 2, 2, 3, 2, 3, 3, 4, |
| 493 | 2, 3, 3, 4, 3, 4, 4, 5, 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 494 | 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, |
| 495 | 4, 5, 5, 6, 5, 6, 6, 7, 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 496 | 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 2, 3, 3, 4, 3, 4, 4, 5, |
| 497 | 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 498 | 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, |
| 499 | 4, 5, 5, 6, 5, 6, 6, 7, 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 500 | 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8}; |
| 501 | |
| 502 | static f32 distance_hamming_u8(u8 *a, u8 *b, size_t n) { |
| 503 | int same = 0; |
| 504 | for (unsigned long i = 0; i < n; i++) { |
| 505 | same += hamdist_table[a[i] ^ b[i]]; |
| 506 | } |
| 507 | return (f32)same; |
| 508 | } |
| 509 | |
| 510 | #ifdef _MSC_VER |
| 511 | #if !defined(__clang__1) && (defined(_M_ARM) || defined(_M_ARM64)) |
| 512 | // From |
| 513 | // https://github.com/ngtcp2/ngtcp2/blob/b64f1e77b5e0d880b93d31f474147fae4a1d17cc/lib/ngtcp2_ringbuf.c, |
| 514 | // line 34-43 |
| 515 | static unsigned int __builtin_popcountl(unsigned int x) { |
| 516 | unsigned int c = 0; |
| 517 | for (; x; ++c) { |
| 518 | x &= x - 1; |
| 519 | } |
| 520 | return c; |
| 521 | } |
| 522 | #else |
| 523 | #include <intrin.h> |
| 524 | #define __builtin_popcountl __popcnt64 |
| 525 | #endif |
| 526 | #endif |
| 527 | |
| 528 | static f32 distance_hamming_u64(u64 *a, u64 *b, size_t n) { |
| 529 | int same = 0; |
| 530 | for (unsigned long i = 0; i < n; i++) { |
| 531 | same += __builtin_popcountl(a[i] ^ b[i]); |
| 532 | } |
| 533 | return (f32)same; |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * @brief Calculate the hamming distance between two bitvectors. |
| 538 | * |
| 539 | * @param a - first bitvector, MUST have d dimensions |
| 540 | * @param b - second bitvector, MUST have d dimensions |
| 541 | * @param d - pointer to size_t, MUST be divisible by CHAR_BIT |
| 542 | * @return f32 |
| 543 | */ |
| 544 | static f32 distance_hamming(const void *a, const void *b, const void *d) { |
| 545 | size_t dimensions = *((size_t *)d); |
| 546 | |
| 547 | if ((dimensions % 64) == 0) { |
| 548 | return distance_hamming_u64((u64 *)a, (u64 *)b, dimensions / 8 / CHAR_BIT8); |
| 549 | } |
| 550 | return distance_hamming_u8((u8 *)a, (u8 *)b, dimensions / CHAR_BIT8); |
| 551 | } |
| 552 | |
| 553 | // from SQLite source: |
| 554 | // https://github.com/sqlite/sqlite/blob/a509a90958ddb234d1785ed7801880ccb18b497e/src/json.c#L153 |
| 555 | static const char vecJsonIsSpaceX[] = { |
| 556 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 557 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 558 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 559 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 560 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 561 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 562 | |
| 563 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 564 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 565 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 566 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 567 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 568 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 569 | }; |
| 570 | |
| 571 | #define vecJsonIsspace(x)(vecJsonIsSpaceX[(unsigned char)x]) (vecJsonIsSpaceX[(unsigned char)x]) |
| 572 | |
| 573 | typedef void (*vector_cleanup)(void *p); |
| 574 | |
| 575 | void vector_cleanup_noop(void *_) { UNUSED_PARAMETER(_)(void)(_); } |
| 576 | |
| 577 | #define JSON_SUBTYPE74 74 |
| 578 | |
| 579 | void vtab_set_error(sqlite3_vtab *pVTab, const char *zFormat, ...) { |
| 580 | va_list args; |
| 581 | sqlite3_freesqlite3_api->free(pVTab->zErrMsg); |
| 582 | va_start(args, zFormat)__builtin_va_start(args, zFormat); |
| 583 | pVTab->zErrMsg = sqlite3_vmprintfsqlite3_api->vmprintf(zFormat, args); |
| 584 | va_end(args)__builtin_va_end(args); |
| 585 | } |
| 586 | struct Array { |
| 587 | size_t element_size; |
| 588 | size_t length; |
| 589 | size_t capacity; |
| 590 | void *z; |
| 591 | }; |
| 592 | |
| 593 | /** |
| 594 | * @brief Initial an array with the given element size and capacity. |
| 595 | * |
| 596 | * @param array |
| 597 | * @param element_size |
| 598 | * @param init_capacity |
| 599 | * @return SQLITE_OK on success, error code on failure. Only error is |
| 600 | * SQLITE_NOMEM |
| 601 | */ |
| 602 | int array_init(struct Array *array, size_t element_size, size_t init_capacity) { |
| 603 | int sz = element_size * init_capacity; |
| 604 | void *z = sqlite3_mallocsqlite3_api->malloc(sz); |
| 605 | if (!z) { |
| 606 | return SQLITE_NOMEM7; |
| 607 | } |
| 608 | memset(z, 0, sz); |
| 609 | |
| 610 | array->element_size = element_size; |
| 611 | array->length = 0; |
| 612 | array->capacity = init_capacity; |
| 613 | array->z = z; |
| 614 | return SQLITE_OK0; |
| 615 | } |
| 616 | |
| 617 | int array_append(struct Array *array, const void *element) { |
| 618 | if (array->length == array->capacity) { |
| 619 | size_t new_capacity = array->capacity * 2 + 100; |
| 620 | void *z = sqlite3_realloc64sqlite3_api->realloc64(array->z, array->element_size * new_capacity); |
| 621 | if (z) { |
| 622 | array->capacity = new_capacity; |
| 623 | array->z = z; |
| 624 | } else { |
| 625 | return SQLITE_NOMEM7; |
| 626 | } |
| 627 | } |
| 628 | memcpy(&((unsigned char *)array->z)[array->length * array->element_size], |
| 629 | element, array->element_size); |
| 630 | array->length++; |
| 631 | return SQLITE_OK0; |
| 632 | } |
| 633 | |
| 634 | void array_cleanup(struct Array *array) { |
| 635 | if (!array) |
| 636 | return; |
| 637 | array->element_size = 0; |
| 638 | array->length = 0; |
| 639 | array->capacity = 0; |
| 640 | sqlite3_freesqlite3_api->free(array->z); |
| 641 | array->z = NULL((void*)0); |
| 642 | } |
| 643 | |
| 644 | char *vector_subtype_name(int subtype) { |
| 645 | switch (subtype) { |
| 646 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: |
| 647 | return "float32"; |
| 648 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 649 | return "int8"; |
| 650 | case SQLITE_VEC_ELEMENT_TYPE_BIT: |
| 651 | return "bit"; |
| 652 | } |
| 653 | return ""; |
| 654 | } |
| 655 | char *type_name(int type) { |
| 656 | switch (type) { |
| 657 | case SQLITE_INTEGER1: |
| 658 | return "INTEGER"; |
| 659 | case SQLITE_BLOB4: |
| 660 | return "BLOB"; |
| 661 | case SQLITE_TEXT3: |
| 662 | return "TEXT"; |
| 663 | case SQLITE_FLOAT2: |
| 664 | return "FLOAT"; |
| 665 | case SQLITE_NULL5: |
| 666 | return "NULL"; |
| 667 | } |
| 668 | return ""; |
| 669 | } |
| 670 | |
| 671 | typedef void (*fvec_cleanup)(f32 *vector); |
| 672 | |
| 673 | void fvec_cleanup_noop(f32 *_) { UNUSED_PARAMETER(_)(void)(_); } |
| 674 | |
| 675 | static int fvec_from_value(sqlite3_value *value, f32 **vector, |
| 676 | size_t *dimensions, fvec_cleanup *cleanup, |
| 677 | char **pzErr) { |
| 678 | int value_type = sqlite3_value_typesqlite3_api->value_type(value); |
| 679 | |
| 680 | if (value_type == SQLITE_BLOB4) { |
| 681 | const void *blob = sqlite3_value_blobsqlite3_api->value_blob(value); |
| 682 | int bytes = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 683 | if (bytes == 0) { |
| 684 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 685 | return SQLITE_ERROR1; |
| 686 | } |
| 687 | if ((bytes % sizeof(f32)) != 0) { |
| 688 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("invalid float32 vector BLOB length. Must be " |
| 689 | "divisible by %d, found %d", |
| 690 | sizeof(f32), bytes); |
| 691 | return SQLITE_ERROR1; |
| 692 | } |
| 693 | *vector = (f32 *)blob; |
| 694 | *dimensions = bytes / sizeof(f32); |
| 695 | *cleanup = fvec_cleanup_noop; |
| 696 | return SQLITE_OK0; |
| 697 | } |
| 698 | |
| 699 | if (value_type == SQLITE_TEXT3) { |
| 700 | const char *source = (const char *)sqlite3_value_textsqlite3_api->value_text(value); |
| 701 | int source_len = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 702 | if (source_len == 0) { |
| 703 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 704 | return SQLITE_ERROR1; |
| 705 | } |
| 706 | int i = 0; |
| 707 | |
| 708 | struct Array x; |
| 709 | int rc = array_init(&x, sizeof(f32), ceil(source_len / 2.0)); |
| 710 | if (rc != SQLITE_OK0) { |
| 711 | return rc; |
| 712 | } |
| 713 | |
| 714 | // advance leading whitespace to first '[' |
| 715 | while (i < source_len) { |
| 716 | if (vecJsonIsspace(source[i])(vecJsonIsSpaceX[(unsigned char)source[i]])) { |
| 717 | i++; |
| 718 | continue; |
| 719 | } |
| 720 | if (source[i] == '[') { |
| 721 | break; |
| 722 | } |
| 723 | |
| 724 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 725 | "JSON array parsing error: Input does not start with '['"); |
| 726 | array_cleanup(&x); |
| 727 | return SQLITE_ERROR1; |
| 728 | } |
| 729 | if (source[i] != '[') { |
| 730 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 731 | "JSON array parsing error: Input does not start with '['"); |
| 732 | array_cleanup(&x); |
| 733 | return SQLITE_ERROR1; |
| 734 | } |
| 735 | int offset = i + 1; |
| 736 | |
| 737 | while (offset < source_len) { |
| 738 | char *ptr = (char *)&source[offset]; |
| 739 | char *endptr; |
| 740 | |
| 741 | errno(*__errno_location ()) = 0; |
| 742 | double result = strtod(ptr, &endptr); |
| 743 | if ((errno(*__errno_location ()) != 0 && result == 0) // some interval error? |
| 744 | || (errno(*__errno_location ()) == ERANGE34 && |
| 745 | (result == HUGE_VAL(__builtin_huge_val ()) || result == -HUGE_VAL(__builtin_huge_val ()))) // too big / smalls |
| 746 | ) { |
| 747 | sqlite3_freesqlite3_api->free(x.z); |
| 748 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("JSON parsing error"); |
| 749 | return SQLITE_ERROR1; |
| 750 | } |
| 751 | |
| 752 | if (endptr == ptr) { |
| 753 | if (*ptr != ']') { |
| 754 | sqlite3_freesqlite3_api->free(x.z); |
| 755 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("JSON parsing error"); |
| 756 | return SQLITE_ERROR1; |
| 757 | } |
| 758 | goto done; |
| 759 | } |
| 760 | |
| 761 | f32 res = (f32)result; |
| 762 | array_append(&x, (const void *)&res); |
| 763 | |
| 764 | offset += (endptr - ptr); |
| 765 | while (offset < source_len) { |
| 766 | if (vecJsonIsspace(source[offset])(vecJsonIsSpaceX[(unsigned char)source[offset]])) { |
| 767 | offset++; |
| 768 | continue; |
| 769 | } |
| 770 | if (source[offset] == ',') { |
| 771 | offset++; |
| 772 | continue; |
| 773 | } |
| 774 | if (source[offset] == ']') |
| 775 | goto done; |
| 776 | break; |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | done: |
| 781 | |
| 782 | if (x.length > 0) { |
| 783 | *vector = (f32 *)x.z; |
| 784 | *dimensions = x.length; |
| 785 | *cleanup = (fvec_cleanup)sqlite3_freesqlite3_api->free; |
| 786 | return SQLITE_OK0; |
| 787 | } |
| 788 | sqlite3_freesqlite3_api->free(x.z); |
| 789 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 790 | return SQLITE_ERROR1; |
| 791 | } |
| 792 | |
| 793 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 794 | "Input must have type BLOB (compact format) or TEXT (JSON), found %s", |
| 795 | type_name(value_type)); |
| 796 | return SQLITE_ERROR1; |
| 797 | } |
| 798 | |
| 799 | static int bitvec_from_value(sqlite3_value *value, u8 **vector, |
| 800 | size_t *dimensions, vector_cleanup *cleanup, |
| 801 | char **pzErr) { |
| 802 | int value_type = sqlite3_value_typesqlite3_api->value_type(value); |
| 803 | if (value_type == SQLITE_BLOB4) { |
| 804 | const void *blob = sqlite3_value_blobsqlite3_api->value_blob(value); |
| 805 | int bytes = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 806 | if (bytes == 0) { |
| 807 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 808 | return SQLITE_ERROR1; |
| 809 | } |
| 810 | *vector = (u8 *)blob; |
| 811 | *dimensions = bytes * CHAR_BIT8; |
| 812 | *cleanup = vector_cleanup_noop; |
| 813 | return SQLITE_OK0; |
| 814 | } |
| 815 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Unknown type for bitvector."); |
| 816 | return SQLITE_ERROR1; |
| 817 | } |
| 818 | |
| 819 | static int int8_vec_from_value(sqlite3_value *value, i8 **vector, |
| 820 | size_t *dimensions, vector_cleanup *cleanup, |
| 821 | char **pzErr) { |
| 822 | int value_type = sqlite3_value_typesqlite3_api->value_type(value); |
| 823 | if (value_type == SQLITE_BLOB4) { |
| 824 | const void *blob = sqlite3_value_blobsqlite3_api->value_blob(value); |
| 825 | int bytes = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 826 | if (bytes == 0) { |
| 827 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 828 | return SQLITE_ERROR1; |
| 829 | } |
| 830 | *vector = (i8 *)blob; |
| 831 | *dimensions = bytes; |
| 832 | *cleanup = vector_cleanup_noop; |
| 833 | return SQLITE_OK0; |
| 834 | } |
| 835 | |
| 836 | if (value_type == SQLITE_TEXT3) { |
| 837 | const char *source = (const char *)sqlite3_value_textsqlite3_api->value_text(value); |
| 838 | int source_len = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 839 | int i = 0; |
| 840 | |
| 841 | if (source_len == 0) { |
| 842 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 843 | return SQLITE_ERROR1; |
| 844 | } |
| 845 | |
| 846 | struct Array x; |
| 847 | int rc = array_init(&x, sizeof(i8), ceil(source_len / 2.0)); |
| 848 | if (rc != SQLITE_OK0) { |
| 849 | return rc; |
| 850 | } |
| 851 | |
| 852 | // advance leading whitespace to first '[' |
| 853 | while (i < source_len) { |
| 854 | if (vecJsonIsspace(source[i])(vecJsonIsSpaceX[(unsigned char)source[i]])) { |
| 855 | i++; |
| 856 | continue; |
| 857 | } |
| 858 | if (source[i] == '[') { |
| 859 | break; |
| 860 | } |
| 861 | |
| 862 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 863 | "JSON array parsing error: Input does not start with '['"); |
| 864 | array_cleanup(&x); |
| 865 | return SQLITE_ERROR1; |
| 866 | } |
| 867 | if (source[i] != '[') { |
| 868 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 869 | "JSON array parsing error: Input does not start with '['"); |
| 870 | array_cleanup(&x); |
| 871 | return SQLITE_ERROR1; |
| 872 | } |
| 873 | int offset = i + 1; |
| 874 | |
| 875 | while (offset < source_len) { |
| 876 | char *ptr = (char *)&source[offset]; |
| 877 | char *endptr; |
| 878 | |
| 879 | errno(*__errno_location ()) = 0; |
| 880 | long result = strtol(ptr, &endptr, 10); |
| 881 | if ((errno(*__errno_location ()) != 0 && result == 0) || |
| 882 | (errno(*__errno_location ()) == ERANGE34 && (result == LONG_MAX9223372036854775807L || result == LONG_MIN(-9223372036854775807L -1L)))) { |
| 883 | sqlite3_freesqlite3_api->free(x.z); |
| 884 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("JSON parsing error"); |
| 885 | return SQLITE_ERROR1; |
| 886 | } |
| 887 | |
| 888 | if (endptr == ptr) { |
| 889 | if (*ptr != ']') { |
| 890 | sqlite3_freesqlite3_api->free(x.z); |
| 891 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("JSON parsing error"); |
| 892 | return SQLITE_ERROR1; |
| 893 | } |
| 894 | goto done; |
| 895 | } |
| 896 | |
| 897 | if (result < INT8_MIN(-128) || result > INT8_MAX(127)) { |
| 898 | sqlite3_freesqlite3_api->free(x.z); |
| 899 | *pzErr = |
| 900 | sqlite3_mprintfsqlite3_api->mprintf("JSON parsing error: value out of range for int8"); |
| 901 | return SQLITE_ERROR1; |
| 902 | } |
| 903 | |
| 904 | i8 res = (i8)result; |
| 905 | array_append(&x, (const void *)&res); |
| 906 | |
| 907 | offset += (endptr - ptr); |
| 908 | while (offset < source_len) { |
| 909 | if (vecJsonIsspace(source[offset])(vecJsonIsSpaceX[(unsigned char)source[offset]])) { |
| 910 | offset++; |
| 911 | continue; |
| 912 | } |
| 913 | if (source[offset] == ',') { |
| 914 | offset++; |
| 915 | continue; |
| 916 | } |
| 917 | if (source[offset] == ']') |
| 918 | goto done; |
| 919 | break; |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | done: |
| 924 | |
| 925 | if (x.length > 0) { |
| 926 | *vector = (i8 *)x.z; |
| 927 | *dimensions = x.length; |
| 928 | *cleanup = (vector_cleanup)sqlite3_freesqlite3_api->free; |
| 929 | return SQLITE_OK0; |
| 930 | } |
| 931 | sqlite3_freesqlite3_api->free(x.z); |
| 932 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("zero-length vectors are not supported."); |
| 933 | return SQLITE_ERROR1; |
| 934 | } |
| 935 | |
| 936 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Unknown type for int8 vector."); |
| 937 | return SQLITE_ERROR1; |
| 938 | } |
| 939 | |
| 940 | /** |
| 941 | * @brief Extract a vector from a sqlite3_value. Can be a float32, int8, or bit |
| 942 | * vector. |
| 943 | * |
| 944 | * @param value: the sqlite3_value to read from. |
| 945 | * @param vector: Output pointer to vector data. |
| 946 | * @param dimensions: Output number of dimensions |
| 947 | * @param dimensions: Output vector element type |
| 948 | * @param cleanup |
| 949 | * @param pzErrorMessage |
| 950 | * @return int SQLITE_OK on success, error code otherwise |
| 951 | */ |
| 952 | int vector_from_value(sqlite3_value *value, void **vector, size_t *dimensions, |
| 953 | enum VectorElementType *element_type, |
| 954 | vector_cleanup *cleanup, char **pzErrorMessage) { |
| 955 | int subtype = sqlite3_value_subtypesqlite3_api->value_subtype(value); |
| 956 | if (!subtype || (subtype == SQLITE_VEC_ELEMENT_TYPE_FLOAT32) || |
| 957 | (subtype == JSON_SUBTYPE74)) { |
| 958 | int rc = fvec_from_value(value, (f32 **)vector, dimensions, |
| 959 | (fvec_cleanup *)cleanup, pzErrorMessage); |
| 960 | if (rc == SQLITE_OK0) { |
| 961 | *element_type = SQLITE_VEC_ELEMENT_TYPE_FLOAT32; |
| 962 | } |
| 963 | return rc; |
| 964 | } |
| 965 | |
| 966 | if (subtype == SQLITE_VEC_ELEMENT_TYPE_BIT) { |
| 967 | int rc = bitvec_from_value(value, (u8 **)vector, dimensions, cleanup, |
| 968 | pzErrorMessage); |
| 969 | if (rc == SQLITE_OK0) { |
| 970 | *element_type = SQLITE_VEC_ELEMENT_TYPE_BIT; |
| 971 | } |
| 972 | return rc; |
| 973 | } |
| 974 | if (subtype == SQLITE_VEC_ELEMENT_TYPE_INT8) { |
| 975 | int rc = int8_vec_from_value(value, (i8 **)vector, dimensions, cleanup, |
| 976 | pzErrorMessage); |
| 977 | if (rc == SQLITE_OK0) { |
| 978 | *element_type = SQLITE_VEC_ELEMENT_TYPE_INT8; |
| 979 | } |
| 980 | return rc; |
| 981 | } |
| 982 | *pzErrorMessage = sqlite3_mprintfsqlite3_api->mprintf("Unknown subtype: %d", subtype); |
| 983 | return SQLITE_ERROR1; |
| 984 | } |
| 985 | |
| 986 | int ensure_vector_match(sqlite3_value *aValue, sqlite3_value *bValue, void **a, |
| 987 | void **b, enum VectorElementType *element_type, |
| 988 | size_t *dimensions, vector_cleanup *outACleanup, |
| 989 | vector_cleanup *outBCleanup, char **outError) { |
| 990 | int rc; |
| 991 | enum VectorElementType aType, bType; |
| 992 | size_t aDims, bDims; |
| 993 | char *error = NULL((void*)0); |
| 994 | vector_cleanup aCleanup, bCleanup; |
| 995 | |
| 996 | rc = vector_from_value(aValue, a, &aDims, &aType, &aCleanup, &error); |
| 997 | if (rc != SQLITE_OK0) { |
| 998 | *outError = sqlite3_mprintfsqlite3_api->mprintf("Error reading 1st vector: %s", error); |
| 999 | sqlite3_freesqlite3_api->free(error); |
| 1000 | return SQLITE_ERROR1; |
| 1001 | } |
| 1002 | |
| 1003 | rc = vector_from_value(bValue, b, &bDims, &bType, &bCleanup, &error); |
| 1004 | if (rc != SQLITE_OK0) { |
| 1005 | *outError = sqlite3_mprintfsqlite3_api->mprintf("Error reading 2nd vector: %s", error); |
| 1006 | sqlite3_freesqlite3_api->free(error); |
| 1007 | aCleanup(a); |
| 1008 | return SQLITE_ERROR1; |
| 1009 | } |
| 1010 | |
| 1011 | if (aType != bType) { |
| 1012 | *outError = |
| 1013 | sqlite3_mprintfsqlite3_api->mprintf("Vector type mistmatch. First vector has type %s, " |
| 1014 | "while the second has type %s.", |
| 1015 | vector_subtype_name(aType), vector_subtype_name(bType)); |
| 1016 | aCleanup(*a); |
| 1017 | bCleanup(*b); |
| 1018 | return SQLITE_ERROR1; |
| 1019 | } |
| 1020 | if (aDims != bDims) { |
| 1021 | *outError = sqlite3_mprintfsqlite3_api->mprintf( |
| 1022 | "Vector dimension mistmatch. First vector has %ld dimensions, " |
| 1023 | "while the second has %ld dimensions.", |
| 1024 | aDims, bDims); |
| 1025 | aCleanup(*a); |
| 1026 | bCleanup(*b); |
| 1027 | return SQLITE_ERROR1; |
| 1028 | } |
| 1029 | *element_type = aType; |
| 1030 | *dimensions = aDims; |
| 1031 | *outACleanup = aCleanup; |
| 1032 | *outBCleanup = bCleanup; |
| 1033 | return SQLITE_OK0; |
| 1034 | } |
| 1035 | |
| 1036 | int _cmp(const void *a, const void *b) { return (*(i64 *)a - *(i64 *)b); } |
| 1037 | |
| 1038 | struct VecNpyFile { |
| 1039 | char *path; |
| 1040 | size_t pathLength; |
| 1041 | }; |
| 1042 | #define SQLITE_VEC_NPY_FILE_NAME"vec0-npy-file" "vec0-npy-file" |
| 1043 | |
| 1044 | #ifndef SQLITE_VEC_OMIT_FS |
| 1045 | static void vec_npy_file(sqlite3_context *context, int argc, |
| 1046 | sqlite3_value **argv) { |
| 1047 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1047, __extension__ __PRETTY_FUNCTION__); })); |
| 1048 | char *path = (char *)sqlite3_value_textsqlite3_api->value_text(argv[0]); |
| 1049 | size_t pathLength = sqlite3_value_bytessqlite3_api->value_bytes(argv[0]); |
| 1050 | struct VecNpyFile *f; |
| 1051 | |
| 1052 | f = sqlite3_mallocsqlite3_api->malloc(sizeof(*f)); |
| 1053 | if (!f) { |
| 1054 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1055 | return; |
| 1056 | } |
| 1057 | memset(f, 0, sizeof(*f)); |
| 1058 | |
| 1059 | f->path = path; |
| 1060 | f->pathLength = pathLength; |
| 1061 | sqlite3_result_pointersqlite3_api->result_pointer(context, f, SQLITE_VEC_NPY_FILE_NAME"vec0-npy-file", sqlite3_freesqlite3_api->free); |
| 1062 | } |
| 1063 | #endif |
| 1064 | |
| 1065 | #pragma region scalar functions |
| 1066 | static void vec_f32(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1067 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1067, __extension__ __PRETTY_FUNCTION__); })); |
| 1068 | int rc; |
| 1069 | f32 *vector = NULL((void*)0); |
| 1070 | size_t dimensions; |
| 1071 | fvec_cleanup cleanup; |
| 1072 | char *errmsg; |
| 1073 | rc = fvec_from_value(argv[0], &vector, &dimensions, &cleanup, &errmsg); |
| 1074 | if (rc != SQLITE_OK0) { |
| 1075 | sqlite3_result_errorsqlite3_api->result_error(context, errmsg, -1); |
| 1076 | sqlite3_freesqlite3_api->free(errmsg); |
| 1077 | return; |
| 1078 | } |
| 1079 | sqlite3_result_blobsqlite3_api->result_blob(context, vector, dimensions * sizeof(f32), |
| 1080 | (void (*)(void *))cleanup); |
| 1081 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_FLOAT32); |
| 1082 | } |
| 1083 | |
| 1084 | static void vec_bit(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1085 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1085, __extension__ __PRETTY_FUNCTION__); })); |
| 1086 | int rc; |
| 1087 | u8 *vector; |
| 1088 | size_t dimensions; |
| 1089 | vector_cleanup cleanup; |
| 1090 | char *errmsg; |
| 1091 | rc = bitvec_from_value(argv[0], &vector, &dimensions, &cleanup, &errmsg); |
| 1092 | if (rc != SQLITE_OK0) { |
| 1093 | sqlite3_result_errorsqlite3_api->result_error(context, errmsg, -1); |
| 1094 | sqlite3_freesqlite3_api->free(errmsg); |
| 1095 | return; |
| 1096 | } |
| 1097 | sqlite3_result_blobsqlite3_api->result_blob(context, vector, dimensions / CHAR_BIT8, SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 1098 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_BIT); |
| 1099 | cleanup(vector); |
| 1100 | } |
| 1101 | static void vec_int8(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1102 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1102, __extension__ __PRETTY_FUNCTION__); })); |
| 1103 | int rc; |
| 1104 | i8 *vector; |
| 1105 | size_t dimensions; |
| 1106 | vector_cleanup cleanup; |
| 1107 | char *errmsg; |
| 1108 | rc = int8_vec_from_value(argv[0], &vector, &dimensions, &cleanup, &errmsg); |
| 1109 | if (rc != SQLITE_OK0) { |
| 1110 | sqlite3_result_errorsqlite3_api->result_error(context, errmsg, -1); |
| 1111 | sqlite3_freesqlite3_api->free(errmsg); |
| 1112 | return; |
| 1113 | } |
| 1114 | sqlite3_result_blobsqlite3_api->result_blob(context, vector, dimensions, SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 1115 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_INT8); |
| 1116 | cleanup(vector); |
| 1117 | } |
| 1118 | |
| 1119 | static void vec_length(sqlite3_context *context, int argc, |
| 1120 | sqlite3_value **argv) { |
| 1121 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1121, __extension__ __PRETTY_FUNCTION__); })); |
| 1122 | int rc; |
| 1123 | void *vector; |
| 1124 | size_t dimensions; |
| 1125 | vector_cleanup cleanup; |
| 1126 | char *errmsg; |
| 1127 | enum VectorElementType elementType; |
| 1128 | rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, &cleanup, |
| 1129 | &errmsg); |
| 1130 | if (rc != SQLITE_OK0) { |
| 1131 | sqlite3_result_errorsqlite3_api->result_error(context, errmsg, -1); |
| 1132 | sqlite3_freesqlite3_api->free(errmsg); |
| 1133 | return; |
| 1134 | } |
| 1135 | sqlite3_result_int64sqlite3_api->result_int64(context, dimensions); |
| 1136 | cleanup(vector); |
| 1137 | } |
| 1138 | |
| 1139 | static void vec_distance_cosine(sqlite3_context *context, int argc, |
| 1140 | sqlite3_value **argv) { |
| 1141 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1141, __extension__ __PRETTY_FUNCTION__); })); |
| 1142 | int rc; |
| 1143 | void *a = NULL((void*)0), *b = NULL((void*)0); |
| 1144 | size_t dimensions; |
| 1145 | vector_cleanup aCleanup, bCleanup; |
| 1146 | char *error; |
| 1147 | enum VectorElementType elementType; |
| 1148 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1149 | &aCleanup, &bCleanup, &error); |
| 1150 | if (rc != SQLITE_OK0) { |
| 1151 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1152 | sqlite3_freesqlite3_api->free(error); |
| 1153 | return; |
| 1154 | } |
| 1155 | |
| 1156 | switch (elementType) { |
| 1157 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1158 | sqlite3_result_errorsqlite3_api->result_error( |
| 1159 | context, "Cannot calculate cosine distance between two bitvectors.", |
| 1160 | -1); |
| 1161 | goto finish; |
| 1162 | } |
| 1163 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1164 | f32 result = distance_cosine_float(a, b, &dimensions); |
| 1165 | sqlite3_result_doublesqlite3_api->result_double(context, result); |
| 1166 | goto finish; |
| 1167 | } |
| 1168 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1169 | f32 result = distance_cosine_int8(a, b, &dimensions); |
| 1170 | sqlite3_result_doublesqlite3_api->result_double(context, result); |
| 1171 | goto finish; |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | finish: |
| 1176 | aCleanup(a); |
| 1177 | bCleanup(b); |
| 1178 | return; |
| 1179 | } |
| 1180 | |
| 1181 | static void vec_distance_l2(sqlite3_context *context, int argc, |
| 1182 | sqlite3_value **argv) { |
| 1183 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1183, __extension__ __PRETTY_FUNCTION__); })); |
| 1184 | int rc; |
| 1185 | void *a = NULL((void*)0), *b = NULL((void*)0); |
| 1186 | size_t dimensions; |
| 1187 | vector_cleanup aCleanup, bCleanup; |
| 1188 | char *error; |
| 1189 | enum VectorElementType elementType; |
| 1190 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1191 | &aCleanup, &bCleanup, &error); |
| 1192 | if (rc != SQLITE_OK0) { |
| 1193 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1194 | sqlite3_freesqlite3_api->free(error); |
| 1195 | return; |
| 1196 | } |
| 1197 | |
| 1198 | switch (elementType) { |
| 1199 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1200 | sqlite3_result_errorsqlite3_api->result_error( |
| 1201 | context, "Cannot calculate L2 distance between two bitvectors.", -1); |
| 1202 | goto finish; |
| 1203 | } |
| 1204 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1205 | f32 result = distance_l2_sqr_float(a, b, &dimensions); |
| 1206 | sqlite3_result_doublesqlite3_api->result_double(context, result); |
| 1207 | goto finish; |
| 1208 | } |
| 1209 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1210 | f32 result = distance_l2_sqr_int8(a, b, &dimensions); |
| 1211 | sqlite3_result_doublesqlite3_api->result_double(context, result); |
| 1212 | goto finish; |
| 1213 | } |
| 1214 | } |
| 1215 | |
| 1216 | finish: |
| 1217 | aCleanup(a); |
| 1218 | bCleanup(b); |
| 1219 | return; |
| 1220 | } |
| 1221 | |
| 1222 | static void vec_distance_l1(sqlite3_context *context, int argc, |
| 1223 | sqlite3_value **argv) { |
| 1224 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1224, __extension__ __PRETTY_FUNCTION__); })); |
| 1225 | int rc; |
| 1226 | void *a, *b; |
| 1227 | size_t dimensions; |
| 1228 | vector_cleanup aCleanup, bCleanup; |
| 1229 | char *error; |
| 1230 | enum VectorElementType elementType; |
| 1231 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1232 | &aCleanup, &bCleanup, &error); |
| 1233 | if (rc != SQLITE_OK0) { |
| 1234 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1235 | sqlite3_freesqlite3_api->free(error); |
| 1236 | return; |
| 1237 | } |
| 1238 | |
| 1239 | switch (elementType) { |
| 1240 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1241 | sqlite3_result_errorsqlite3_api->result_error( |
| 1242 | context, "Cannot calculate L1 distance between two bitvectors.", -1); |
| 1243 | goto finish; |
| 1244 | } |
| 1245 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1246 | double result = distance_l1_f32(a, b, &dimensions); |
| 1247 | sqlite3_result_doublesqlite3_api->result_double(context, result); |
| 1248 | goto finish; |
| 1249 | } |
| 1250 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1251 | i64 result = distance_l1_int8(a, b, &dimensions); |
| 1252 | sqlite3_result_intsqlite3_api->result_int(context, result); |
| 1253 | goto finish; |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | finish: |
| 1258 | aCleanup(a); |
| 1259 | bCleanup(b); |
| 1260 | return; |
| 1261 | } |
| 1262 | |
| 1263 | static void vec_distance_hamming(sqlite3_context *context, int argc, |
| 1264 | sqlite3_value **argv) { |
| 1265 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1265, __extension__ __PRETTY_FUNCTION__); })); |
| 1266 | int rc; |
| 1267 | void *a = NULL((void*)0), *b = NULL((void*)0); |
| 1268 | size_t dimensions; |
| 1269 | vector_cleanup aCleanup, bCleanup; |
| 1270 | char *error; |
| 1271 | enum VectorElementType elementType; |
| 1272 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1273 | &aCleanup, &bCleanup, &error); |
| 1274 | if (rc != SQLITE_OK0) { |
| 1275 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1276 | sqlite3_freesqlite3_api->free(error); |
| 1277 | return; |
| 1278 | } |
| 1279 | |
| 1280 | switch (elementType) { |
| 1281 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1282 | sqlite3_result_doublesqlite3_api->result_double(context, distance_hamming(a, b, &dimensions)); |
| 1283 | goto finish; |
| 1284 | } |
| 1285 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1286 | sqlite3_result_errorsqlite3_api->result_error( |
| 1287 | context, |
| 1288 | "Cannot calculate hamming distance between two float32 vectors.", -1); |
| 1289 | goto finish; |
| 1290 | } |
| 1291 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1292 | sqlite3_result_errorsqlite3_api->result_error( |
| 1293 | context, "Cannot calculate hamming distance between two int8 vectors.", |
| 1294 | -1); |
| 1295 | goto finish; |
| 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | finish: |
| 1300 | aCleanup(a); |
| 1301 | bCleanup(b); |
| 1302 | return; |
| 1303 | } |
| 1304 | |
| 1305 | char *vec_type_name(enum VectorElementType elementType) { |
| 1306 | switch (elementType) { |
| 1307 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: |
| 1308 | return "float32"; |
| 1309 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 1310 | return "int8"; |
| 1311 | case SQLITE_VEC_ELEMENT_TYPE_BIT: |
| 1312 | return "bit"; |
| 1313 | } |
| 1314 | return ""; |
| 1315 | } |
| 1316 | |
| 1317 | static void vec_type(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1318 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1318, __extension__ __PRETTY_FUNCTION__); })); |
| 1319 | void *vector; |
| 1320 | size_t dimensions; |
| 1321 | vector_cleanup cleanup; |
| 1322 | char *pzError; |
| 1323 | enum VectorElementType elementType; |
| 1324 | int rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, |
| 1325 | &cleanup, &pzError); |
| 1326 | if (rc != SQLITE_OK0) { |
| 1327 | sqlite3_result_errorsqlite3_api->result_error(context, pzError, -1); |
| 1328 | sqlite3_freesqlite3_api->free(pzError); |
| 1329 | return; |
| 1330 | } |
| 1331 | sqlite3_result_textsqlite3_api->result_text(context, vec_type_name(elementType), -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 1332 | cleanup(vector); |
| 1333 | } |
| 1334 | static void vec_quantize_binary(sqlite3_context *context, int argc, |
| 1335 | sqlite3_value **argv) { |
| 1336 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1336, __extension__ __PRETTY_FUNCTION__); })); |
| 1337 | void *vector; |
| 1338 | size_t dimensions; |
| 1339 | vector_cleanup vectorCleanup; |
| 1340 | char *pzError; |
| 1341 | enum VectorElementType elementType; |
| 1342 | int rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, |
| 1343 | &vectorCleanup, &pzError); |
| 1344 | if (rc != SQLITE_OK0) { |
| 1345 | sqlite3_result_errorsqlite3_api->result_error(context, pzError, -1); |
| 1346 | sqlite3_freesqlite3_api->free(pzError); |
| 1347 | return; |
| 1348 | } |
| 1349 | |
| 1350 | if (dimensions <= 0) { |
| 1351 | sqlite3_result_errorsqlite3_api->result_error(context, "Zero length vectors are not supported.", -1); |
| 1352 | goto cleanup; |
| 1353 | return; |
| 1354 | } |
| 1355 | if ((dimensions % CHAR_BIT8) != 0) { |
| 1356 | sqlite3_result_errorsqlite3_api->result_error( |
| 1357 | context, |
| 1358 | "Binary quantization requires vectors with a length divisible by 8", |
| 1359 | -1); |
| 1360 | goto cleanup; |
| 1361 | return; |
| 1362 | } |
| 1363 | |
| 1364 | int sz = dimensions / CHAR_BIT8; |
| 1365 | u8 *out = sqlite3_mallocsqlite3_api->malloc(sz); |
| 1366 | if (!out) { |
| 1367 | sqlite3_result_error_codesqlite3_api->result_error_code(context, SQLITE_NOMEM7); |
| 1368 | goto cleanup; |
| 1369 | return; |
| 1370 | } |
| 1371 | memset(out, 0, sz); |
| 1372 | |
| 1373 | switch (elementType) { |
| 1374 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1375 | |
| 1376 | for (size_t i = 0; i < dimensions; i++) { |
| 1377 | int res = ((f32 *)vector)[i] > 0.0; |
| 1378 | out[i / 8] |= (res << (i % 8)); |
| 1379 | } |
| 1380 | break; |
| 1381 | } |
| 1382 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1383 | for (size_t i = 0; i < dimensions; i++) { |
| 1384 | int res = ((i8 *)vector)[i] > 0; |
| 1385 | out[i / 8] |= (res << (i % 8)); |
| 1386 | } |
| 1387 | break; |
| 1388 | } |
| 1389 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1390 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 1391 | "Can only binary quantize float or int8 vectors", -1); |
| 1392 | sqlite3_freesqlite3_api->free(out); |
| 1393 | return; |
| 1394 | } |
| 1395 | } |
| 1396 | sqlite3_result_blobsqlite3_api->result_blob(context, out, sz, sqlite3_freesqlite3_api->free); |
| 1397 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_BIT); |
| 1398 | |
| 1399 | cleanup: |
| 1400 | vectorCleanup(vector); |
| 1401 | } |
| 1402 | |
| 1403 | static void vec_quantize_int8(sqlite3_context *context, int argc, |
| 1404 | sqlite3_value **argv) { |
| 1405 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1405, __extension__ __PRETTY_FUNCTION__); })); |
| 1406 | f32 *srcVector; |
| 1407 | size_t dimensions; |
| 1408 | fvec_cleanup srcCleanup; |
| 1409 | char *err; |
| 1410 | i8 *out = NULL((void*)0); |
| 1411 | int rc = fvec_from_value(argv[0], &srcVector, &dimensions, &srcCleanup, &err); |
| 1412 | if (rc != SQLITE_OK0) { |
| 1413 | sqlite3_result_errorsqlite3_api->result_error(context, err, -1); |
| 1414 | sqlite3_freesqlite3_api->free(err); |
| 1415 | return; |
| 1416 | } |
| 1417 | |
| 1418 | int sz = dimensions * sizeof(i8); |
| 1419 | out = sqlite3_mallocsqlite3_api->malloc(sz); |
| 1420 | if (!out) { |
| 1421 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1422 | goto cleanup; |
| 1423 | } |
| 1424 | memset(out, 0, sz); |
| 1425 | |
| 1426 | if ((sqlite3_value_typesqlite3_api->value_type(argv[1]) != SQLITE_TEXT3) || |
| 1427 | (sqlite3_value_bytessqlite3_api->value_bytes(argv[1]) != strlen("unit")) || |
| 1428 | (sqlite3_stricmpsqlite3_api->stricmp((const char *)sqlite3_value_textsqlite3_api->value_text(argv[1]), "unit") != |
| 1429 | 0)) { |
| 1430 | sqlite3_result_errorsqlite3_api->result_error( |
| 1431 | context, "2nd argument to vec_quantize_int8() must be 'unit'.", -1); |
| 1432 | sqlite3_freesqlite3_api->free(out); |
| 1433 | goto cleanup; |
| 1434 | } |
| 1435 | f32 step = (1.0 - (-1.0)) / 255; |
| 1436 | for (size_t i = 0; i < dimensions; i++) { |
| 1437 | out[i] = ((srcVector[i] - (-1.0)) / step) - 128; |
| 1438 | } |
| 1439 | |
| 1440 | sqlite3_result_blobsqlite3_api->result_blob(context, out, dimensions * sizeof(i8), sqlite3_freesqlite3_api->free); |
| 1441 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_INT8); |
| 1442 | |
| 1443 | cleanup: |
| 1444 | srcCleanup(srcVector); |
| 1445 | } |
| 1446 | |
| 1447 | static void vec_add(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1448 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1448, __extension__ __PRETTY_FUNCTION__); })); |
| 1449 | int rc; |
| 1450 | void *a = NULL((void*)0), *b = NULL((void*)0); |
| 1451 | size_t dimensions; |
| 1452 | vector_cleanup aCleanup, bCleanup; |
| 1453 | char *error; |
| 1454 | enum VectorElementType elementType; |
| 1455 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1456 | &aCleanup, &bCleanup, &error); |
| 1457 | if (rc != SQLITE_OK0) { |
| 1458 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1459 | sqlite3_freesqlite3_api->free(error); |
| 1460 | return; |
| 1461 | } |
| 1462 | |
| 1463 | switch (elementType) { |
| 1464 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1465 | sqlite3_result_errorsqlite3_api->result_error(context, "Cannot add two bitvectors together.", -1); |
| 1466 | goto finish; |
| 1467 | } |
| 1468 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1469 | size_t outSize = dimensions * sizeof(f32); |
| 1470 | f32 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1471 | if (!out) { |
| 1472 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1473 | goto finish; |
| 1474 | } |
| 1475 | memset(out, 0, outSize); |
| 1476 | for (size_t i = 0; i < dimensions; i++) { |
| 1477 | out[i] = ((f32 *)a)[i] + ((f32 *)b)[i]; |
| 1478 | } |
| 1479 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1480 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_FLOAT32); |
| 1481 | goto finish; |
| 1482 | } |
| 1483 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1484 | size_t outSize = dimensions * sizeof(i8); |
| 1485 | i8 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1486 | if (!out) { |
| 1487 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1488 | goto finish; |
| 1489 | } |
| 1490 | memset(out, 0, outSize); |
| 1491 | for (size_t i = 0; i < dimensions; i++) { |
| 1492 | out[i] = ((i8 *)a)[i] + ((i8 *)b)[i]; |
| 1493 | } |
| 1494 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1495 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_INT8); |
| 1496 | goto finish; |
| 1497 | } |
| 1498 | } |
| 1499 | finish: |
| 1500 | aCleanup(a); |
| 1501 | bCleanup(b); |
| 1502 | return; |
| 1503 | } |
| 1504 | static void vec_sub(sqlite3_context *context, int argc, sqlite3_value **argv) { |
| 1505 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1505, __extension__ __PRETTY_FUNCTION__); })); |
| 1506 | int rc; |
| 1507 | void *a = NULL((void*)0), *b = NULL((void*)0); |
| 1508 | size_t dimensions; |
| 1509 | vector_cleanup aCleanup, bCleanup; |
| 1510 | char *error; |
| 1511 | enum VectorElementType elementType; |
| 1512 | rc = ensure_vector_match(argv[0], argv[1], &a, &b, &elementType, &dimensions, |
| 1513 | &aCleanup, &bCleanup, &error); |
| 1514 | if (rc != SQLITE_OK0) { |
| 1515 | sqlite3_result_errorsqlite3_api->result_error(context, error, -1); |
| 1516 | sqlite3_freesqlite3_api->free(error); |
| 1517 | return; |
| 1518 | } |
| 1519 | |
| 1520 | switch (elementType) { |
| 1521 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1522 | sqlite3_result_errorsqlite3_api->result_error(context, "Cannot subtract two bitvectors together.", |
| 1523 | -1); |
| 1524 | goto finish; |
| 1525 | } |
| 1526 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1527 | size_t outSize = dimensions * sizeof(f32); |
| 1528 | f32 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1529 | if (!out) { |
| 1530 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1531 | goto finish; |
| 1532 | } |
| 1533 | memset(out, 0, outSize); |
| 1534 | for (size_t i = 0; i < dimensions; i++) { |
| 1535 | out[i] = ((f32 *)a)[i] - ((f32 *)b)[i]; |
| 1536 | } |
| 1537 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1538 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_FLOAT32); |
| 1539 | goto finish; |
| 1540 | } |
| 1541 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1542 | size_t outSize = dimensions * sizeof(i8); |
| 1543 | i8 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1544 | if (!out) { |
| 1545 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1546 | goto finish; |
| 1547 | } |
| 1548 | memset(out, 0, outSize); |
| 1549 | for (size_t i = 0; i < dimensions; i++) { |
| 1550 | out[i] = ((i8 *)a)[i] - ((i8 *)b)[i]; |
| 1551 | } |
| 1552 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1553 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_INT8); |
| 1554 | goto finish; |
| 1555 | } |
| 1556 | } |
| 1557 | finish: |
| 1558 | aCleanup(a); |
| 1559 | bCleanup(b); |
| 1560 | return; |
| 1561 | } |
| 1562 | static void vec_slice(sqlite3_context *context, int argc, |
| 1563 | sqlite3_value **argv) { |
| 1564 | assert(argc == 3)((void) sizeof ((argc == 3) ? 1 : 0), __extension__ ({ if (argc == 3) ; else __assert_fail ("argc == 3", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1564, __extension__ __PRETTY_FUNCTION__); })); |
| 1565 | |
| 1566 | void *vector; |
| 1567 | size_t dimensions; |
| 1568 | vector_cleanup cleanup; |
| 1569 | char *err; |
| 1570 | enum VectorElementType elementType; |
| 1571 | |
| 1572 | int rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, |
| 1573 | &cleanup, &err); |
| 1574 | if (rc != SQLITE_OK0) { |
| 1575 | sqlite3_result_errorsqlite3_api->result_error(context, err, -1); |
| 1576 | sqlite3_freesqlite3_api->free(err); |
| 1577 | return; |
| 1578 | } |
| 1579 | |
| 1580 | int start = sqlite3_value_intsqlite3_api->value_int(argv[1]); |
| 1581 | int end = sqlite3_value_intsqlite3_api->value_int(argv[2]); |
| 1582 | |
| 1583 | if (start < 0) { |
| 1584 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 1585 | "slice 'start' index must be a postive number.", -1); |
| 1586 | goto done; |
| 1587 | } |
| 1588 | if (end < 0) { |
| 1589 | sqlite3_result_errorsqlite3_api->result_error(context, "slice 'end' index must be a postive number.", |
| 1590 | -1); |
| 1591 | goto done; |
| 1592 | } |
| 1593 | if (((size_t)start) > dimensions) { |
| 1594 | sqlite3_result_errorsqlite3_api->result_error( |
| 1595 | context, "slice 'start' index is greater than the number of dimensions", |
| 1596 | -1); |
| 1597 | goto done; |
| 1598 | } |
| 1599 | if (((size_t)end) > dimensions) { |
| 1600 | sqlite3_result_errorsqlite3_api->result_error( |
| 1601 | context, "slice 'end' index is greater than the number of dimensions", |
| 1602 | -1); |
| 1603 | goto done; |
| 1604 | } |
| 1605 | if (start > end) { |
| 1606 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 1607 | "slice 'start' index is greater than 'end' index", -1); |
| 1608 | goto done; |
| 1609 | } |
| 1610 | if (start == end) { |
| 1611 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 1612 | "slice 'start' index is equal to the 'end' index, " |
| 1613 | "vectors must have non-zero length", |
| 1614 | -1); |
| 1615 | goto done; |
| 1616 | } |
| 1617 | size_t n = end - start; |
| 1618 | |
| 1619 | switch (elementType) { |
| 1620 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 1621 | int outSize = n * sizeof(f32); |
| 1622 | f32 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1623 | if (!out) { |
| 1624 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1625 | goto done; |
| 1626 | } |
| 1627 | memset(out, 0, outSize); |
| 1628 | for (size_t i = 0; i < n; i++) { |
| 1629 | out[i] = ((f32 *)vector)[start + i]; |
| 1630 | } |
| 1631 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1632 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_FLOAT32); |
| 1633 | goto done; |
| 1634 | } |
| 1635 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 1636 | int outSize = n * sizeof(i8); |
| 1637 | i8 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1638 | if (!out) { |
| 1639 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1640 | return; |
| 1641 | } |
| 1642 | memset(out, 0, outSize); |
| 1643 | for (size_t i = 0; i < n; i++) { |
| 1644 | out[i] = ((i8 *)vector)[start + i]; |
| 1645 | } |
| 1646 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1647 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_INT8); |
| 1648 | goto done; |
| 1649 | } |
| 1650 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 1651 | if ((start % CHAR_BIT8) != 0) { |
| 1652 | sqlite3_result_errorsqlite3_api->result_error(context, "start index must be divisible by 8.", -1); |
| 1653 | goto done; |
| 1654 | } |
| 1655 | if ((end % CHAR_BIT8) != 0) { |
| 1656 | sqlite3_result_errorsqlite3_api->result_error(context, "end index must be divisible by 8.", -1); |
| 1657 | goto done; |
| 1658 | } |
| 1659 | int outSize = n / CHAR_BIT8; |
| 1660 | u8 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1661 | if (!out) { |
| 1662 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1663 | return; |
| 1664 | } |
| 1665 | memset(out, 0, outSize); |
| 1666 | for (size_t i = 0; i < n / CHAR_BIT8; i++) { |
| 1667 | out[i] = ((u8 *)vector)[(start / CHAR_BIT8) + i]; |
| 1668 | } |
| 1669 | sqlite3_result_blobsqlite3_api->result_blob(context, out, outSize, sqlite3_freesqlite3_api->free); |
| 1670 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_BIT); |
| 1671 | goto done; |
| 1672 | } |
| 1673 | } |
| 1674 | done: |
| 1675 | cleanup(vector); |
| 1676 | } |
| 1677 | |
| 1678 | static void vec_to_json(sqlite3_context *context, int argc, |
| 1679 | sqlite3_value **argv) { |
| 1680 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1680, __extension__ __PRETTY_FUNCTION__); })); |
| 1681 | void *vector; |
| 1682 | size_t dimensions; |
| 1683 | vector_cleanup cleanup; |
| 1684 | char *err; |
| 1685 | enum VectorElementType elementType; |
| 1686 | |
| 1687 | int rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, |
| 1688 | &cleanup, &err); |
| 1689 | if (rc != SQLITE_OK0) { |
| 1690 | sqlite3_result_errorsqlite3_api->result_error(context, err, -1); |
| 1691 | sqlite3_freesqlite3_api->free(err); |
| 1692 | return; |
| 1693 | } |
| 1694 | |
| 1695 | sqlite3_str *str = sqlite3_str_newsqlite3_api->str_new(sqlite3_context_db_handlesqlite3_api->context_db_handle(context)); |
| 1696 | sqlite3_str_appendallsqlite3_api->str_appendall(str, "["); |
| 1697 | for (size_t i = 0; i < dimensions; i++) { |
| 1698 | if (i != 0) { |
| 1699 | sqlite3_str_appendallsqlite3_api->str_appendall(str, ","); |
| 1700 | } |
| 1701 | if (elementType == SQLITE_VEC_ELEMENT_TYPE_FLOAT32) { |
| 1702 | f32 value = ((f32 *)vector)[i]; |
| 1703 | if (isnan(value)__builtin_isnan (value)) { |
| 1704 | sqlite3_str_appendallsqlite3_api->str_appendall(str, "null"); |
| 1705 | } else { |
| 1706 | sqlite3_str_appendfsqlite3_api->str_appendf(str, "%f", value); |
| 1707 | } |
| 1708 | |
| 1709 | } else if (elementType == SQLITE_VEC_ELEMENT_TYPE_INT8) { |
| 1710 | sqlite3_str_appendfsqlite3_api->str_appendf(str, "%d", ((i8 *)vector)[i]); |
| 1711 | } else if (elementType == SQLITE_VEC_ELEMENT_TYPE_BIT) { |
| 1712 | u8 b = (((u8 *)vector)[i / 8] >> (i % CHAR_BIT8)) & 1; |
| 1713 | sqlite3_str_appendfsqlite3_api->str_appendf(str, "%d", b); |
| 1714 | } |
| 1715 | } |
| 1716 | sqlite3_str_appendallsqlite3_api->str_appendall(str, "]"); |
| 1717 | int len = sqlite3_str_lengthsqlite3_api->str_length(str); |
| 1718 | char *s = sqlite3_str_finishsqlite3_api->str_finish(str); |
| 1719 | if (s) { |
| 1720 | sqlite3_result_textsqlite3_api->result_text(context, s, len, sqlite3_freesqlite3_api->free); |
| 1721 | sqlite3_result_subtypesqlite3_api->result_subtype(context, JSON_SUBTYPE74); |
| 1722 | } else { |
| 1723 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 1724 | } |
| 1725 | cleanup(vector); |
| 1726 | } |
| 1727 | |
| 1728 | static void vec_normalize(sqlite3_context *context, int argc, |
| 1729 | sqlite3_value **argv) { |
| 1730 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 1730, __extension__ __PRETTY_FUNCTION__); })); |
| 1731 | void *vector; |
| 1732 | size_t dimensions; |
| 1733 | vector_cleanup cleanup; |
| 1734 | char *err; |
| 1735 | enum VectorElementType elementType; |
| 1736 | |
| 1737 | int rc = vector_from_value(argv[0], &vector, &dimensions, &elementType, |
| 1738 | &cleanup, &err); |
| 1739 | if (rc != SQLITE_OK0) { |
| 1740 | sqlite3_result_errorsqlite3_api->result_error(context, err, -1); |
| 1741 | sqlite3_freesqlite3_api->free(err); |
| 1742 | return; |
| 1743 | } |
| 1744 | |
| 1745 | if (elementType != SQLITE_VEC_ELEMENT_TYPE_FLOAT32) { |
| 1746 | sqlite3_result_errorsqlite3_api->result_error( |
| 1747 | context, "only float32 vectors are supported when normalizing", -1); |
| 1748 | cleanup(vector); |
| 1749 | return; |
| 1750 | } |
| 1751 | |
| 1752 | int outSize = dimensions * sizeof(f32); |
| 1753 | f32 *out = sqlite3_mallocsqlite3_api->malloc(outSize); |
| 1754 | if (!out) { |
| 1755 | cleanup(vector); |
| 1756 | sqlite3_result_error_codesqlite3_api->result_error_code(context, SQLITE_NOMEM7); |
| 1757 | return; |
| 1758 | } |
| 1759 | memset(out, 0, outSize); |
| 1760 | |
| 1761 | f32 *v = (f32 *)vector; |
| 1762 | |
| 1763 | f32 norm = 0; |
| 1764 | for (size_t i = 0; i < dimensions; i++) { |
| 1765 | norm += v[i] * v[i]; |
| 1766 | } |
| 1767 | norm = sqrt(norm); |
| 1768 | for (size_t i = 0; i < dimensions; i++) { |
| 1769 | out[i] = v[i] / norm; |
| 1770 | } |
| 1771 | |
| 1772 | sqlite3_result_blobsqlite3_api->result_blob(context, out, dimensions * sizeof(f32), sqlite3_freesqlite3_api->free); |
| 1773 | sqlite3_result_subtypesqlite3_api->result_subtype(context, SQLITE_VEC_ELEMENT_TYPE_FLOAT32); |
| 1774 | cleanup(vector); |
| 1775 | } |
| 1776 | |
| 1777 | static void _static_text_func(sqlite3_context *context, int argc, |
| 1778 | sqlite3_value **argv) { |
| 1779 | UNUSED_PARAMETER(argc)(void)(argc); |
| 1780 | UNUSED_PARAMETER(argv)(void)(argv); |
| 1781 | sqlite3_result_textsqlite3_api->result_text(context, sqlite3_user_datasqlite3_api->user_data(context), -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 1782 | } |
| 1783 | |
| 1784 | #pragma endregion |
| 1785 | |
| 1786 | enum Vec0TokenType { |
| 1787 | TOKEN_TYPE_IDENTIFIER, |
| 1788 | TOKEN_TYPE_DIGIT, |
| 1789 | TOKEN_TYPE_LBRACKET, |
| 1790 | TOKEN_TYPE_RBRACKET, |
| 1791 | TOKEN_TYPE_PLUS, |
| 1792 | TOKEN_TYPE_EQ, |
| 1793 | }; |
| 1794 | struct Vec0Token { |
| 1795 | enum Vec0TokenType token_type; |
| 1796 | char *start; |
| 1797 | char *end; |
| 1798 | }; |
| 1799 | |
| 1800 | int is_alpha(char x) { |
| 1801 | return (x >= 'a' && x <= 'z') || (x >= 'A' && x <= 'Z'); |
| 1802 | } |
| 1803 | int is_digit(char x) { return (x >= '0' && x <= '9'); } |
| 1804 | int is_whitespace(char x) { |
| 1805 | return x == ' ' || x == '\t' || x == '\n' || x == '\r'; |
| 1806 | } |
| 1807 | |
| 1808 | #define VEC0_TOKEN_RESULT_EOF1 1 |
| 1809 | #define VEC0_TOKEN_RESULT_SOME2 2 |
| 1810 | #define VEC0_TOKEN_RESULT_ERROR3 3 |
| 1811 | |
| 1812 | int vec0_token_next(char *start, char *end, struct Vec0Token *out) { |
| 1813 | char *ptr = start; |
| 1814 | while (ptr < end) { |
| 1815 | char curr = *ptr; |
| 1816 | if (is_whitespace(curr)) { |
| 1817 | ptr++; |
| 1818 | continue; |
| 1819 | } else if (curr == '+') { |
| 1820 | ptr++; |
| 1821 | out->start = ptr; |
| 1822 | out->end = ptr; |
| 1823 | out->token_type = TOKEN_TYPE_PLUS; |
| 1824 | return VEC0_TOKEN_RESULT_SOME2; |
| 1825 | } else if (curr == '[') { |
| 1826 | ptr++; |
| 1827 | out->start = ptr; |
| 1828 | out->end = ptr; |
| 1829 | out->token_type = TOKEN_TYPE_LBRACKET; |
| 1830 | return VEC0_TOKEN_RESULT_SOME2; |
| 1831 | } else if (curr == ']') { |
| 1832 | ptr++; |
| 1833 | out->start = ptr; |
| 1834 | out->end = ptr; |
| 1835 | out->token_type = TOKEN_TYPE_RBRACKET; |
| 1836 | return VEC0_TOKEN_RESULT_SOME2; |
| 1837 | } else if (curr == '=') { |
| 1838 | ptr++; |
| 1839 | out->start = ptr; |
| 1840 | out->end = ptr; |
| 1841 | out->token_type = TOKEN_TYPE_EQ; |
| 1842 | return VEC0_TOKEN_RESULT_SOME2; |
| 1843 | } else if (is_alpha(curr)) { |
| 1844 | char *start = ptr; |
| 1845 | while (ptr < end && (is_alpha(*ptr) || is_digit(*ptr) || *ptr == '_')) { |
| 1846 | ptr++; |
| 1847 | } |
| 1848 | out->start = start; |
| 1849 | out->end = ptr; |
| 1850 | out->token_type = TOKEN_TYPE_IDENTIFIER; |
| 1851 | return VEC0_TOKEN_RESULT_SOME2; |
| 1852 | } else if (is_digit(curr)) { |
| 1853 | char *start = ptr; |
| 1854 | while (ptr < end && (is_digit(*ptr))) { |
| 1855 | ptr++; |
| 1856 | } |
| 1857 | out->start = start; |
| 1858 | out->end = ptr; |
| 1859 | out->token_type = TOKEN_TYPE_DIGIT; |
| 1860 | return VEC0_TOKEN_RESULT_SOME2; |
| 1861 | } else { |
| 1862 | return VEC0_TOKEN_RESULT_ERROR3; |
| 1863 | } |
| 1864 | } |
| 1865 | return VEC0_TOKEN_RESULT_EOF1; |
| 1866 | } |
| 1867 | |
| 1868 | struct Vec0Scanner { |
| 1869 | char *start; |
| 1870 | char *end; |
| 1871 | char *ptr; |
| 1872 | }; |
| 1873 | |
| 1874 | void vec0_scanner_init(struct Vec0Scanner *scanner, const char *source, |
| 1875 | int source_length) { |
| 1876 | scanner->start = (char *)source; |
| 1877 | scanner->end = (char *)source + source_length; |
| 1878 | scanner->ptr = (char *)source; |
| 1879 | } |
| 1880 | int vec0_scanner_next(struct Vec0Scanner *scanner, struct Vec0Token *out) { |
| 1881 | int rc = vec0_token_next(scanner->start, scanner->end, out); |
| 1882 | if (rc == VEC0_TOKEN_RESULT_SOME2) { |
| 1883 | scanner->start = out->end; |
| 1884 | } |
| 1885 | return rc; |
| 1886 | } |
| 1887 | |
| 1888 | int vec0_parse_table_option(const char *source, int source_length, |
| 1889 | char **out_key, int *out_key_length, |
| 1890 | char **out_value, int *out_value_length) { |
| 1891 | int rc; |
| 1892 | struct Vec0Scanner scanner; |
| 1893 | struct Vec0Token token; |
| 1894 | char *key; |
| 1895 | char *value; |
| 1896 | int keyLength, valueLength; |
| 1897 | |
| 1898 | vec0_scanner_init(&scanner, source, source_length); |
| 1899 | |
| 1900 | rc = vec0_scanner_next(&scanner, &token); |
| 1901 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1902 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 1903 | return SQLITE_EMPTY16; |
| 1904 | } |
| 1905 | key = token.start; |
| 1906 | keyLength = token.end - token.start; |
| 1907 | |
| 1908 | rc = vec0_scanner_next(&scanner, &token); |
| 1909 | if (rc != VEC0_TOKEN_RESULT_SOME2 && token.token_type != TOKEN_TYPE_EQ) { |
| 1910 | return SQLITE_EMPTY16; |
| 1911 | } |
| 1912 | |
| 1913 | rc = vec0_scanner_next(&scanner, &token); |
| 1914 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1915 | !((token.token_type == TOKEN_TYPE_IDENTIFIER) || |
| 1916 | (token.token_type == TOKEN_TYPE_DIGIT))) { |
| 1917 | return SQLITE_ERROR1; |
| 1918 | } |
| 1919 | value = token.start; |
| 1920 | valueLength = token.end - token.start; |
| 1921 | |
| 1922 | rc = vec0_scanner_next(&scanner, &token); |
| 1923 | if (rc == VEC0_TOKEN_RESULT_EOF1) { |
| 1924 | *out_key = key; |
| 1925 | *out_key_length = keyLength; |
| 1926 | *out_value = value; |
| 1927 | *out_value_length = valueLength; |
| 1928 | return SQLITE_OK0; |
| 1929 | } |
| 1930 | return SQLITE_ERROR1; |
| 1931 | } |
| 1932 | /** |
| 1933 | * @brief Parse an argv[i] entry of a vec0 virtual table definition, and see if |
| 1934 | * it's a PARTITION KEY definition. |
| 1935 | * |
| 1936 | * @param source: argv[i] source string |
| 1937 | * @param source_length: length of the source string |
| 1938 | * @param out_column_name: If it is a partition key, the output column name. Same lifetime |
| 1939 | * as source, points to specific char * |
| 1940 | * @param out_column_name_length: Length of out_column_name in bytes |
| 1941 | * @param out_column_type: SQLITE_TEXT or SQLITE_INTEGER. |
| 1942 | * @return int: SQLITE_EMPTY if not a PK, SQLITE_OK if it is. |
| 1943 | */ |
| 1944 | int vec0_parse_partition_key_definition(const char *source, int source_length, |
| 1945 | char **out_column_name, |
| 1946 | int *out_column_name_length, |
| 1947 | int *out_column_type) { |
| 1948 | struct Vec0Scanner scanner; |
| 1949 | struct Vec0Token token; |
| 1950 | char *column_name; |
| 1951 | int column_name_length; |
| 1952 | int column_type; |
| 1953 | vec0_scanner_init(&scanner, source, source_length); |
| 1954 | |
| 1955 | // Check first token is identifier, will be the column name |
| 1956 | int rc = vec0_scanner_next(&scanner, &token); |
| 1957 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1958 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 1959 | return SQLITE_EMPTY16; |
| 1960 | } |
| 1961 | |
| 1962 | column_name = token.start; |
| 1963 | column_name_length = token.end - token.start; |
| 1964 | |
| 1965 | // Check the next token matches "text" or "integer", as column type |
| 1966 | rc = vec0_scanner_next(&scanner, &token); |
| 1967 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1968 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 1969 | return SQLITE_EMPTY16; |
| 1970 | } |
| 1971 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "text", token.end - token.start) == 0) { |
| 1972 | column_type = SQLITE_TEXT3; |
| 1973 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "int", token.end - token.start) == |
| 1974 | 0 || |
| 1975 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "integer", |
| 1976 | token.end - token.start) == 0) { |
| 1977 | column_type = SQLITE_INTEGER1; |
| 1978 | } else { |
| 1979 | return SQLITE_EMPTY16; |
| 1980 | } |
| 1981 | |
| 1982 | // Check the next token is identifier and matches "partition" |
| 1983 | rc = vec0_scanner_next(&scanner, &token); |
| 1984 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1985 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 1986 | return SQLITE_EMPTY16; |
| 1987 | } |
| 1988 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "partition", token.end - token.start) != 0) { |
| 1989 | return SQLITE_EMPTY16; |
| 1990 | } |
| 1991 | |
| 1992 | // Check the next token is identifier and matches "key" |
| 1993 | rc = vec0_scanner_next(&scanner, &token); |
| 1994 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 1995 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 1996 | return SQLITE_EMPTY16; |
| 1997 | } |
| 1998 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "key", token.end - token.start) != 0) { |
| 1999 | return SQLITE_EMPTY16; |
| 2000 | } |
| 2001 | |
| 2002 | *out_column_name = column_name; |
| 2003 | *out_column_name_length = column_name_length; |
| 2004 | *out_column_type = column_type; |
| 2005 | |
| 2006 | return SQLITE_OK0; |
| 2007 | } |
| 2008 | |
| 2009 | /** |
| 2010 | * @brief Parse an argv[i] entry of a vec0 virtual table definition, and see if |
| 2011 | * it's an auxiliar column definition, ie `+[name] [type]` like `+contents text` |
| 2012 | * |
| 2013 | * @param source: argv[i] source string |
| 2014 | * @param source_length: length of the source string |
| 2015 | * @param out_column_name: If it is a partition key, the output column name. Same lifetime |
| 2016 | * as source, points to specific char * |
| 2017 | * @param out_column_name_length: Length of out_column_name in bytes |
| 2018 | * @param out_column_type: SQLITE_TEXT, SQLITE_INTEGER, SQLITE_FLOAT, or SQLITE_BLOB. |
| 2019 | * @return int: SQLITE_EMPTY if not an aux column, SQLITE_OK if it is. |
| 2020 | */ |
| 2021 | int vec0_parse_auxiliary_column_definition(const char *source, int source_length, |
| 2022 | char **out_column_name, |
| 2023 | int *out_column_name_length, |
| 2024 | int *out_column_type) { |
| 2025 | struct Vec0Scanner scanner; |
| 2026 | struct Vec0Token token; |
| 2027 | char *column_name; |
| 2028 | int column_name_length; |
| 2029 | int column_type; |
| 2030 | vec0_scanner_init(&scanner, source, source_length); |
| 2031 | |
| 2032 | // Check first token is '+', which denotes aux columns |
| 2033 | int rc = vec0_scanner_next(&scanner, &token); |
| 2034 | if (rc != VEC0_TOKEN_RESULT_SOME2 || |
| 2035 | token.token_type != TOKEN_TYPE_PLUS) { |
| 2036 | return SQLITE_EMPTY16; |
| 2037 | } |
| 2038 | |
| 2039 | rc = vec0_scanner_next(&scanner, &token); |
| 2040 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2041 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2042 | return SQLITE_EMPTY16; |
| 2043 | } |
| 2044 | |
| 2045 | column_name = token.start; |
| 2046 | column_name_length = token.end - token.start; |
| 2047 | |
| 2048 | // Check the next token matches "text" or "integer", as column type |
| 2049 | rc = vec0_scanner_next(&scanner, &token); |
| 2050 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2051 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2052 | return SQLITE_EMPTY16; |
| 2053 | } |
| 2054 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "text", token.end - token.start) == 0) { |
| 2055 | column_type = SQLITE_TEXT3; |
| 2056 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "int", token.end - token.start) == |
| 2057 | 0 || |
| 2058 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "integer", |
| 2059 | token.end - token.start) == 0) { |
| 2060 | column_type = SQLITE_INTEGER1; |
| 2061 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "float", token.end - token.start) == |
| 2062 | 0 || |
| 2063 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "double", |
| 2064 | token.end - token.start) == 0) { |
| 2065 | column_type = SQLITE_FLOAT2; |
| 2066 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "blob", token.end - token.start) ==0) { |
| 2067 | column_type = SQLITE_BLOB4; |
| 2068 | } else { |
| 2069 | return SQLITE_EMPTY16; |
| 2070 | } |
| 2071 | |
| 2072 | *out_column_name = column_name; |
| 2073 | *out_column_name_length = column_name_length; |
| 2074 | *out_column_type = column_type; |
| 2075 | |
| 2076 | return SQLITE_OK0; |
| 2077 | } |
| 2078 | |
| 2079 | typedef enum { |
| 2080 | VEC0_METADATA_COLUMN_KIND_BOOLEAN, |
| 2081 | VEC0_METADATA_COLUMN_KIND_INTEGER, |
| 2082 | VEC0_METADATA_COLUMN_KIND_FLOAT, |
| 2083 | VEC0_METADATA_COLUMN_KIND_TEXT, |
| 2084 | // future: blob, date, datetime |
| 2085 | } vec0_metadata_column_kind; |
| 2086 | |
| 2087 | /** |
| 2088 | * @brief Parse an argv[i] entry of a vec0 virtual table definition, and see if |
| 2089 | * it's an metadata column definition, ie `[name] [type]` like `is_released boolean` |
| 2090 | * |
| 2091 | * @param source: argv[i] source string |
| 2092 | * @param source_length: length of the source string |
| 2093 | * @param out_column_name: If it is a metadata column, the output column name. Same lifetime |
| 2094 | * as source, points to specific char * |
| 2095 | * @param out_column_name_length: Length of out_column_name in bytes |
| 2096 | * @param out_column_type: one of vec0_metadata_column_kind |
| 2097 | * @return int: SQLITE_EMPTY if not an metadata column, SQLITE_OK if it is. |
| 2098 | */ |
| 2099 | int vec0_parse_metadata_column_definition(const char *source, int source_length, |
| 2100 | char **out_column_name, |
| 2101 | int *out_column_name_length, |
| 2102 | vec0_metadata_column_kind *out_column_type) { |
| 2103 | struct Vec0Scanner scanner; |
| 2104 | struct Vec0Token token; |
| 2105 | char *column_name; |
| 2106 | int column_name_length; |
| 2107 | vec0_metadata_column_kind column_type; |
| 2108 | int rc; |
| 2109 | vec0_scanner_init(&scanner, source, source_length); |
| 2110 | |
| 2111 | rc = vec0_scanner_next(&scanner, &token); |
| 2112 | if (rc != VEC0_TOKEN_RESULT_SOME2 || |
| 2113 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2114 | return SQLITE_EMPTY16; |
| 2115 | } |
| 2116 | |
| 2117 | column_name = token.start; |
| 2118 | column_name_length = token.end - token.start; |
| 2119 | |
| 2120 | // Check the next token matches a valid metadata type |
| 2121 | rc = vec0_scanner_next(&scanner, &token); |
| 2122 | if (rc != VEC0_TOKEN_RESULT_SOME2 || |
| 2123 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2124 | return SQLITE_EMPTY16; |
| 2125 | } |
| 2126 | char * t = token.start; |
| 2127 | int n = token.end - token.start; |
| 2128 | if (sqlite3_strnicmpsqlite3_api->strnicmp(t, "boolean", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "bool", n) == 0) { |
| 2129 | column_type = VEC0_METADATA_COLUMN_KIND_BOOLEAN; |
| 2130 | }else if (sqlite3_strnicmpsqlite3_api->strnicmp(t, "int64", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "integer64", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "integer", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "int", n) == 0) { |
| 2131 | column_type = VEC0_METADATA_COLUMN_KIND_INTEGER; |
| 2132 | }else if (sqlite3_strnicmpsqlite3_api->strnicmp(t, "float", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "double", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "float64", n) == 0 || sqlite3_strnicmpsqlite3_api->strnicmp(t, "f64", n) == 0) { |
| 2133 | column_type = VEC0_METADATA_COLUMN_KIND_FLOAT; |
| 2134 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(t, "text", n) == 0) { |
| 2135 | column_type = VEC0_METADATA_COLUMN_KIND_TEXT; |
| 2136 | } else { |
| 2137 | return SQLITE_EMPTY16; |
| 2138 | } |
| 2139 | |
| 2140 | *out_column_name = column_name; |
| 2141 | *out_column_name_length = column_name_length; |
| 2142 | *out_column_type = column_type; |
| 2143 | |
| 2144 | return SQLITE_OK0; |
| 2145 | } |
| 2146 | |
| 2147 | /** |
| 2148 | * @brief Parse an argv[i] entry of a vec0 virtual table definition, and see if |
| 2149 | * it's a PRIMARY KEY definition. |
| 2150 | * |
| 2151 | * @param source: argv[i] source string |
| 2152 | * @param source_length: length of the source string |
| 2153 | * @param out_column_name: If it is a PK, the output column name. Same lifetime |
| 2154 | * as source, points to specific char * |
| 2155 | * @param out_column_name_length: Length of out_column_name in bytes |
| 2156 | * @param out_column_type: SQLITE_TEXT or SQLITE_INTEGER. |
| 2157 | * @return int: SQLITE_EMPTY if not a PK, SQLITE_OK if it is. |
| 2158 | */ |
| 2159 | int vec0_parse_primary_key_definition(const char *source, int source_length, |
| 2160 | char **out_column_name, |
| 2161 | int *out_column_name_length, |
| 2162 | int *out_column_type) { |
| 2163 | struct Vec0Scanner scanner; |
| 2164 | struct Vec0Token token; |
| 2165 | char *column_name; |
| 2166 | int column_name_length; |
| 2167 | int column_type; |
| 2168 | vec0_scanner_init(&scanner, source, source_length); |
| 2169 | |
| 2170 | // Check first token is identifier, will be the column name |
| 2171 | int rc = vec0_scanner_next(&scanner, &token); |
| 2172 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2173 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2174 | return SQLITE_EMPTY16; |
| 2175 | } |
| 2176 | |
| 2177 | column_name = token.start; |
| 2178 | column_name_length = token.end - token.start; |
| 2179 | |
| 2180 | // Check the next token matches "text" or "integer", as column type |
| 2181 | rc = vec0_scanner_next(&scanner, &token); |
| 2182 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2183 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2184 | return SQLITE_EMPTY16; |
| 2185 | } |
| 2186 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "text", token.end - token.start) == 0) { |
| 2187 | column_type = SQLITE_TEXT3; |
| 2188 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "int", token.end - token.start) == |
| 2189 | 0 || |
| 2190 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "integer", |
| 2191 | token.end - token.start) == 0) { |
| 2192 | column_type = SQLITE_INTEGER1; |
| 2193 | } else { |
| 2194 | return SQLITE_EMPTY16; |
| 2195 | } |
| 2196 | |
| 2197 | // Check the next token is identifier and matches "primary" |
| 2198 | rc = vec0_scanner_next(&scanner, &token); |
| 2199 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2200 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2201 | return SQLITE_EMPTY16; |
| 2202 | } |
| 2203 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "primary", token.end - token.start) != 0) { |
| 2204 | return SQLITE_EMPTY16; |
| 2205 | } |
| 2206 | |
| 2207 | // Check the next token is identifier and matches "key" |
| 2208 | rc = vec0_scanner_next(&scanner, &token); |
| 2209 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2210 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2211 | return SQLITE_EMPTY16; |
| 2212 | } |
| 2213 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "key", token.end - token.start) != 0) { |
| 2214 | return SQLITE_EMPTY16; |
| 2215 | } |
| 2216 | |
| 2217 | *out_column_name = column_name; |
| 2218 | *out_column_name_length = column_name_length; |
| 2219 | *out_column_type = column_type; |
| 2220 | |
| 2221 | return SQLITE_OK0; |
| 2222 | } |
| 2223 | |
| 2224 | enum Vec0DistanceMetrics { |
| 2225 | VEC0_DISTANCE_METRIC_L2 = 1, |
| 2226 | VEC0_DISTANCE_METRIC_COSINE = 2, |
| 2227 | VEC0_DISTANCE_METRIC_L1 = 3, |
| 2228 | }; |
| 2229 | |
| 2230 | struct VectorColumnDefinition { |
| 2231 | char *name; |
| 2232 | int name_length; |
| 2233 | size_t dimensions; |
| 2234 | enum VectorElementType element_type; |
| 2235 | enum Vec0DistanceMetrics distance_metric; |
| 2236 | }; |
| 2237 | |
| 2238 | struct Vec0PartitionColumnDefinition { |
| 2239 | int type; |
| 2240 | char * name; |
| 2241 | int name_length; |
| 2242 | }; |
| 2243 | |
| 2244 | struct Vec0AuxiliaryColumnDefinition { |
| 2245 | int type; |
| 2246 | char * name; |
| 2247 | int name_length; |
| 2248 | }; |
| 2249 | struct Vec0MetadataColumnDefinition { |
| 2250 | vec0_metadata_column_kind kind; |
| 2251 | char * name; |
| 2252 | int name_length; |
| 2253 | }; |
| 2254 | |
| 2255 | size_t vector_byte_size(enum VectorElementType element_type, |
| 2256 | size_t dimensions) { |
| 2257 | switch (element_type) { |
| 2258 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: |
| 2259 | return dimensions * sizeof(f32); |
| 2260 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 2261 | return dimensions * sizeof(i8); |
| 2262 | case SQLITE_VEC_ELEMENT_TYPE_BIT: |
| 2263 | return dimensions / CHAR_BIT8; |
| 2264 | } |
| 2265 | return 0; |
| 2266 | } |
| 2267 | |
| 2268 | size_t vector_column_byte_size(struct VectorColumnDefinition column) { |
| 2269 | return vector_byte_size(column.element_type, column.dimensions); |
| 2270 | } |
| 2271 | |
| 2272 | /** |
| 2273 | * @brief Parse an vec0 vtab argv[i] column definition and see if |
| 2274 | * it's a vector column defintion, ex `contents_embedding float[768]`. |
| 2275 | * |
| 2276 | * @param source vec0 argv[i] item |
| 2277 | * @param source_length length of source in bytes |
| 2278 | * @param outColumn Output the parse vector column to this struct, if success |
| 2279 | * @return int SQLITE_OK on success, SQLITE_EMPTY is it's not a vector column |
| 2280 | * definition, SQLITE_ERROR on error. |
| 2281 | */ |
| 2282 | int vec0_parse_vector_column(const char *source, int source_length, |
| 2283 | struct VectorColumnDefinition *outColumn) { |
| 2284 | // parses a vector column definition like so: |
| 2285 | // "abc float[123]", "abc_123 bit[1234]", eetc. |
| 2286 | // https://github.com/asg017/sqlite-vec/issues/46 |
| 2287 | int rc; |
| 2288 | struct Vec0Scanner scanner; |
| 2289 | struct Vec0Token token; |
| 2290 | |
| 2291 | char *name; |
| 2292 | int nameLength; |
| 2293 | enum VectorElementType elementType; |
| 2294 | enum Vec0DistanceMetrics distanceMetric = VEC0_DISTANCE_METRIC_L2; |
| 2295 | int dimensions; |
| 2296 | |
| 2297 | vec0_scanner_init(&scanner, source, source_length); |
| 2298 | |
| 2299 | // starts with an identifier |
| 2300 | rc = vec0_scanner_next(&scanner, &token); |
| 2301 | |
| 2302 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2303 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2304 | return SQLITE_EMPTY16; |
| 2305 | } |
| 2306 | |
| 2307 | name = token.start; |
| 2308 | nameLength = token.end - token.start; |
| 2309 | |
| 2310 | // vector column type comes next: float, int, or bit |
| 2311 | rc = vec0_scanner_next(&scanner, &token); |
| 2312 | |
| 2313 | if (rc != VEC0_TOKEN_RESULT_SOME2 || |
| 2314 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2315 | return SQLITE_EMPTY16; |
| 2316 | } |
| 2317 | if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "float", 5) == 0 || |
| 2318 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "f32", 3) == 0) { |
| 2319 | elementType = SQLITE_VEC_ELEMENT_TYPE_FLOAT32; |
| 2320 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "int8", 4) == 0 || |
| 2321 | sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "i8", 2) == 0) { |
| 2322 | elementType = SQLITE_VEC_ELEMENT_TYPE_INT8; |
| 2323 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(token.start, "bit", 3) == 0) { |
| 2324 | elementType = SQLITE_VEC_ELEMENT_TYPE_BIT; |
| 2325 | } else { |
| 2326 | return SQLITE_EMPTY16; |
| 2327 | } |
| 2328 | |
| 2329 | // left '[' bracket |
| 2330 | rc = vec0_scanner_next(&scanner, &token); |
| 2331 | if (rc != VEC0_TOKEN_RESULT_SOME2 && token.token_type != TOKEN_TYPE_LBRACKET) { |
| 2332 | return SQLITE_EMPTY16; |
| 2333 | } |
| 2334 | |
| 2335 | // digit, for vector dimension length |
| 2336 | rc = vec0_scanner_next(&scanner, &token); |
| 2337 | if (rc != VEC0_TOKEN_RESULT_SOME2 && token.token_type != TOKEN_TYPE_DIGIT) { |
| 2338 | return SQLITE_ERROR1; |
| 2339 | } |
| 2340 | dimensions = atoi(token.start); |
| 2341 | if (dimensions <= 0) { |
| 2342 | return SQLITE_ERROR1; |
| 2343 | } |
| 2344 | |
| 2345 | // // right ']' bracket |
| 2346 | rc = vec0_scanner_next(&scanner, &token); |
| 2347 | if (rc != VEC0_TOKEN_RESULT_SOME2 && token.token_type != TOKEN_TYPE_RBRACKET) { |
| 2348 | return SQLITE_ERROR1; |
| 2349 | } |
| 2350 | |
| 2351 | // any other tokens left should be column-level options , ex `key=value` |
| 2352 | // ex `distance_metric=L2 distance_metric=cosine` should error |
| 2353 | while (1) { |
| 2354 | // should be EOF or identifier (option key) |
| 2355 | rc = vec0_scanner_next(&scanner, &token); |
| 2356 | if (rc == VEC0_TOKEN_RESULT_EOF1) { |
| 2357 | break; |
| 2358 | } |
| 2359 | |
| 2360 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2361 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2362 | return SQLITE_ERROR1; |
| 2363 | } |
| 2364 | |
| 2365 | char *key = token.start; |
| 2366 | int keyLength = token.end - token.start; |
| 2367 | |
| 2368 | if (sqlite3_strnicmpsqlite3_api->strnicmp(key, "distance_metric", keyLength) == 0) { |
| 2369 | |
| 2370 | if (elementType == SQLITE_VEC_ELEMENT_TYPE_BIT) { |
| 2371 | return SQLITE_ERROR1; |
| 2372 | } |
| 2373 | // ensure equal sign after distance_metric |
| 2374 | rc = vec0_scanner_next(&scanner, &token); |
| 2375 | if (rc != VEC0_TOKEN_RESULT_SOME2 && token.token_type != TOKEN_TYPE_EQ) { |
| 2376 | return SQLITE_ERROR1; |
| 2377 | } |
| 2378 | |
| 2379 | // distance_metric value, an identifier (L2, cosine, etc) |
| 2380 | rc = vec0_scanner_next(&scanner, &token); |
| 2381 | if (rc != VEC0_TOKEN_RESULT_SOME2 && |
| 2382 | token.token_type != TOKEN_TYPE_IDENTIFIER) { |
| 2383 | return SQLITE_ERROR1; |
| 2384 | } |
| 2385 | |
| 2386 | char *value = token.start; |
| 2387 | int valueLength = token.end - token.start; |
| 2388 | if (sqlite3_strnicmpsqlite3_api->strnicmp(value, "l2", valueLength) == 0) { |
| 2389 | distanceMetric = VEC0_DISTANCE_METRIC_L2; |
| 2390 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(value, "l1", valueLength) == 0) { |
| 2391 | distanceMetric = VEC0_DISTANCE_METRIC_L1; |
| 2392 | } else if (sqlite3_strnicmpsqlite3_api->strnicmp(value, "cosine", valueLength) == 0) { |
| 2393 | distanceMetric = VEC0_DISTANCE_METRIC_COSINE; |
| 2394 | } else { |
| 2395 | return SQLITE_ERROR1; |
| 2396 | } |
| 2397 | } |
| 2398 | // unknown key |
| 2399 | else { |
| 2400 | return SQLITE_ERROR1; |
| 2401 | } |
| 2402 | } |
| 2403 | |
| 2404 | outColumn->name = sqlite3_mprintfsqlite3_api->mprintf("%.*s", nameLength, name); |
| 2405 | if (!outColumn->name) { |
| 2406 | return SQLITE_ERROR1; |
| 2407 | } |
| 2408 | outColumn->name_length = nameLength; |
| 2409 | outColumn->distance_metric = distanceMetric; |
| 2410 | outColumn->element_type = elementType; |
| 2411 | outColumn->dimensions = dimensions; |
| 2412 | return SQLITE_OK0; |
| 2413 | } |
| 2414 | |
| 2415 | #pragma region vec_each table function |
| 2416 | |
| 2417 | typedef struct vec_each_vtab vec_each_vtab; |
| 2418 | struct vec_each_vtab { |
| 2419 | sqlite3_vtab base; |
| 2420 | }; |
| 2421 | |
| 2422 | typedef struct vec_each_cursor vec_each_cursor; |
| 2423 | struct vec_each_cursor { |
| 2424 | sqlite3_vtab_cursor base; |
| 2425 | i64 iRowid; |
| 2426 | enum VectorElementType vector_type; |
| 2427 | void *vector; |
| 2428 | size_t dimensions; |
| 2429 | vector_cleanup cleanup; |
| 2430 | }; |
| 2431 | |
| 2432 | static int vec_eachConnect(sqlite3 *db, void *pAux, int argc, |
| 2433 | const char *const *argv, sqlite3_vtab **ppVtab, |
| 2434 | char **pzErr) { |
| 2435 | UNUSED_PARAMETER(pAux)(void)(pAux); |
| 2436 | UNUSED_PARAMETER(argc)(void)(argc); |
| 2437 | UNUSED_PARAMETER(argv)(void)(argv); |
| 2438 | UNUSED_PARAMETER(pzErr)(void)(pzErr); |
| 2439 | vec_each_vtab *pNew; |
| 2440 | int rc; |
| 2441 | |
| 2442 | rc = sqlite3_declare_vtabsqlite3_api->declare_vtab(db, "CREATE TABLE x(value, vector hidden)"); |
| 2443 | #define VEC_EACH_COLUMN_VALUE0 0 |
| 2444 | #define VEC_EACH_COLUMN_VECTOR1 1 |
| 2445 | if (rc == SQLITE_OK0) { |
| 2446 | pNew = sqlite3_mallocsqlite3_api->malloc(sizeof(*pNew)); |
| 2447 | *ppVtab = (sqlite3_vtab *)pNew; |
| 2448 | if (pNew == 0) |
| 2449 | return SQLITE_NOMEM7; |
| 2450 | memset(pNew, 0, sizeof(*pNew)); |
| 2451 | } |
| 2452 | return rc; |
| 2453 | } |
| 2454 | |
| 2455 | static int vec_eachDisconnect(sqlite3_vtab *pVtab) { |
| 2456 | vec_each_vtab *p = (vec_each_vtab *)pVtab; |
| 2457 | sqlite3_freesqlite3_api->free(p); |
| 2458 | return SQLITE_OK0; |
| 2459 | } |
| 2460 | |
| 2461 | static int vec_eachOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor) { |
| 2462 | UNUSED_PARAMETER(p)(void)(p); |
| 2463 | vec_each_cursor *pCur; |
| 2464 | pCur = sqlite3_mallocsqlite3_api->malloc(sizeof(*pCur)); |
| 2465 | if (pCur == 0) |
| 2466 | return SQLITE_NOMEM7; |
| 2467 | memset(pCur, 0, sizeof(*pCur)); |
| 2468 | *ppCursor = &pCur->base; |
| 2469 | return SQLITE_OK0; |
| 2470 | } |
| 2471 | |
| 2472 | static int vec_eachClose(sqlite3_vtab_cursor *cur) { |
| 2473 | vec_each_cursor *pCur = (vec_each_cursor *)cur; |
| 2474 | if(pCur->vector) { |
| 2475 | pCur->cleanup(pCur->vector); |
| 2476 | } |
| 2477 | sqlite3_freesqlite3_api->free(pCur); |
| 2478 | return SQLITE_OK0; |
| 2479 | } |
| 2480 | |
| 2481 | static int vec_eachBestIndex(sqlite3_vtab *pVTab, |
| 2482 | sqlite3_index_info *pIdxInfo) { |
| 2483 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 2484 | int hasVector = 0; |
| 2485 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 2486 | const struct sqlite3_index_constraint *pCons = &pIdxInfo->aConstraint[i]; |
| 2487 | // printf("i=%d iColumn=%d, op=%d, usable=%d\n", i, pCons->iColumn, |
| 2488 | // pCons->op, pCons->usable); |
| 2489 | switch (pCons->iColumn) { |
| 2490 | case VEC_EACH_COLUMN_VECTOR1: { |
| 2491 | if (pCons->op == SQLITE_INDEX_CONSTRAINT_EQ2 && pCons->usable) { |
| 2492 | hasVector = 1; |
| 2493 | pIdxInfo->aConstraintUsage[i].argvIndex = 1; |
| 2494 | pIdxInfo->aConstraintUsage[i].omit = 1; |
| 2495 | } |
| 2496 | break; |
| 2497 | } |
| 2498 | } |
| 2499 | } |
| 2500 | if (!hasVector) { |
| 2501 | return SQLITE_CONSTRAINT19; |
| 2502 | } |
| 2503 | |
| 2504 | pIdxInfo->estimatedCost = (double)100000; |
| 2505 | pIdxInfo->estimatedRows = 100000; |
| 2506 | |
| 2507 | return SQLITE_OK0; |
| 2508 | } |
| 2509 | |
| 2510 | static int vec_eachFilter(sqlite3_vtab_cursor *pVtabCursor, int idxNum, |
| 2511 | const char *idxStr, int argc, sqlite3_value **argv) { |
| 2512 | UNUSED_PARAMETER(idxNum)(void)(idxNum); |
| 2513 | UNUSED_PARAMETER(idxStr)(void)(idxStr); |
| 2514 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 2514, __extension__ __PRETTY_FUNCTION__); })); |
| 2515 | vec_each_cursor *pCur = (vec_each_cursor *)pVtabCursor; |
| 2516 | |
| 2517 | if (pCur->vector) { |
| 2518 | pCur->cleanup(pCur->vector); |
| 2519 | pCur->vector = NULL((void*)0); |
| 2520 | } |
| 2521 | |
| 2522 | char *pzErrMsg; |
| 2523 | int rc = vector_from_value(argv[0], &pCur->vector, &pCur->dimensions, |
| 2524 | &pCur->vector_type, &pCur->cleanup, &pzErrMsg); |
| 2525 | if (rc != SQLITE_OK0) { |
| 2526 | return SQLITE_ERROR1; |
| 2527 | } |
| 2528 | pCur->iRowid = 0; |
| 2529 | return SQLITE_OK0; |
| 2530 | } |
| 2531 | |
| 2532 | static int vec_eachRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid) { |
| 2533 | vec_each_cursor *pCur = (vec_each_cursor *)cur; |
| 2534 | *pRowid = pCur->iRowid; |
| 2535 | return SQLITE_OK0; |
| 2536 | } |
| 2537 | |
| 2538 | static int vec_eachEof(sqlite3_vtab_cursor *cur) { |
| 2539 | vec_each_cursor *pCur = (vec_each_cursor *)cur; |
| 2540 | return pCur->iRowid >= (i64)pCur->dimensions; |
| 2541 | } |
| 2542 | |
| 2543 | static int vec_eachNext(sqlite3_vtab_cursor *cur) { |
| 2544 | vec_each_cursor *pCur = (vec_each_cursor *)cur; |
| 2545 | pCur->iRowid++; |
| 2546 | return SQLITE_OK0; |
| 2547 | } |
| 2548 | |
| 2549 | static int vec_eachColumn(sqlite3_vtab_cursor *cur, sqlite3_context *context, |
| 2550 | int i) { |
| 2551 | vec_each_cursor *pCur = (vec_each_cursor *)cur; |
| 2552 | switch (i) { |
| 2553 | case VEC_EACH_COLUMN_VALUE0: |
| 2554 | switch (pCur->vector_type) { |
| 2555 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 2556 | sqlite3_result_doublesqlite3_api->result_double(context, ((f32 *)pCur->vector)[pCur->iRowid]); |
| 2557 | break; |
| 2558 | } |
| 2559 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 2560 | u8 x = ((u8 *)pCur->vector)[pCur->iRowid / CHAR_BIT8]; |
| 2561 | sqlite3_result_intsqlite3_api->result_int(context, |
| 2562 | (x & (0b10000000 >> ((pCur->iRowid % CHAR_BIT8)))) > 0); |
| 2563 | break; |
| 2564 | } |
| 2565 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 2566 | sqlite3_result_intsqlite3_api->result_int(context, ((i8 *)pCur->vector)[pCur->iRowid]); |
| 2567 | break; |
| 2568 | } |
| 2569 | } |
| 2570 | |
| 2571 | break; |
| 2572 | } |
| 2573 | return SQLITE_OK0; |
| 2574 | } |
| 2575 | |
| 2576 | static sqlite3_module vec_eachModule = { |
| 2577 | /* iVersion */ 0, |
| 2578 | /* xCreate */ 0, |
| 2579 | /* xConnect */ vec_eachConnect, |
| 2580 | /* xBestIndex */ vec_eachBestIndex, |
| 2581 | /* xDisconnect */ vec_eachDisconnect, |
| 2582 | /* xDestroy */ 0, |
| 2583 | /* xOpen */ vec_eachOpen, |
| 2584 | /* xClose */ vec_eachClose, |
| 2585 | /* xFilter */ vec_eachFilter, |
| 2586 | /* xNext */ vec_eachNext, |
| 2587 | /* xEof */ vec_eachEof, |
| 2588 | /* xColumn */ vec_eachColumn, |
| 2589 | /* xRowid */ vec_eachRowid, |
| 2590 | /* xUpdate */ 0, |
| 2591 | /* xBegin */ 0, |
| 2592 | /* xSync */ 0, |
| 2593 | /* xCommit */ 0, |
| 2594 | /* xRollback */ 0, |
| 2595 | /* xFindMethod */ 0, |
| 2596 | /* xRename */ 0, |
| 2597 | /* xSavepoint */ 0, |
| 2598 | /* xRelease */ 0, |
| 2599 | /* xRollbackTo */ 0, |
| 2600 | /* xShadowName */ 0, |
| 2601 | #if SQLITE_VERSION_NUMBER3050001 >= 3044000 |
| 2602 | /* xIntegrity */ 0 |
| 2603 | #endif |
| 2604 | }; |
| 2605 | |
| 2606 | #pragma endregion |
| 2607 | |
| 2608 | #pragma region vec_npy_each table function |
| 2609 | |
| 2610 | enum NpyTokenType { |
| 2611 | NPY_TOKEN_TYPE_IDENTIFIER, |
| 2612 | NPY_TOKEN_TYPE_NUMBER, |
| 2613 | NPY_TOKEN_TYPE_LPAREN, |
| 2614 | NPY_TOKEN_TYPE_RPAREN, |
| 2615 | NPY_TOKEN_TYPE_LBRACE, |
| 2616 | NPY_TOKEN_TYPE_RBRACE, |
| 2617 | NPY_TOKEN_TYPE_COLON, |
| 2618 | NPY_TOKEN_TYPE_COMMA, |
| 2619 | NPY_TOKEN_TYPE_STRING, |
| 2620 | NPY_TOKEN_TYPE_FALSE, |
| 2621 | }; |
| 2622 | |
| 2623 | struct NpyToken { |
| 2624 | enum NpyTokenType token_type; |
| 2625 | unsigned char *start; |
| 2626 | unsigned char *end; |
| 2627 | }; |
| 2628 | |
| 2629 | int npy_token_next(unsigned char *start, unsigned char *end, |
| 2630 | struct NpyToken *out) { |
| 2631 | unsigned char *ptr = start; |
| 2632 | while (ptr < end) { |
| 2633 | unsigned char curr = *ptr; |
| 2634 | if (is_whitespace(curr)) { |
| 2635 | ptr++; |
| 2636 | continue; |
| 2637 | } else if (curr == '(') { |
| 2638 | out->start = ptr++; |
| 2639 | out->end = ptr; |
| 2640 | out->token_type = NPY_TOKEN_TYPE_LPAREN; |
| 2641 | return VEC0_TOKEN_RESULT_SOME2; |
| 2642 | } else if (curr == ')') { |
| 2643 | out->start = ptr++; |
| 2644 | out->end = ptr; |
| 2645 | out->token_type = NPY_TOKEN_TYPE_RPAREN; |
| 2646 | return VEC0_TOKEN_RESULT_SOME2; |
| 2647 | } else if (curr == '{') { |
| 2648 | out->start = ptr++; |
| 2649 | out->end = ptr; |
| 2650 | out->token_type = NPY_TOKEN_TYPE_LBRACE; |
| 2651 | return VEC0_TOKEN_RESULT_SOME2; |
| 2652 | } else if (curr == '}') { |
| 2653 | out->start = ptr++; |
| 2654 | out->end = ptr; |
| 2655 | out->token_type = NPY_TOKEN_TYPE_RBRACE; |
| 2656 | return VEC0_TOKEN_RESULT_SOME2; |
| 2657 | } else if (curr == ':') { |
| 2658 | out->start = ptr++; |
| 2659 | out->end = ptr; |
| 2660 | out->token_type = NPY_TOKEN_TYPE_COLON; |
| 2661 | return VEC0_TOKEN_RESULT_SOME2; |
| 2662 | } else if (curr == ',') { |
| 2663 | out->start = ptr++; |
| 2664 | out->end = ptr; |
| 2665 | out->token_type = NPY_TOKEN_TYPE_COMMA; |
| 2666 | return VEC0_TOKEN_RESULT_SOME2; |
| 2667 | } else if (curr == '\'') { |
| 2668 | unsigned char *start = ptr; |
| 2669 | ptr++; |
| 2670 | while (ptr < end) { |
| 2671 | if ((*ptr) == '\'') { |
| 2672 | break; |
| 2673 | } |
| 2674 | ptr++; |
| 2675 | } |
| 2676 | if ((*ptr) != '\'') { |
| 2677 | return VEC0_TOKEN_RESULT_ERROR3; |
| 2678 | } |
| 2679 | out->start = start; |
| 2680 | out->end = ++ptr; |
| 2681 | out->token_type = NPY_TOKEN_TYPE_STRING; |
| 2682 | return VEC0_TOKEN_RESULT_SOME2; |
| 2683 | } else if (curr == 'F' && |
| 2684 | strncmp((char *)ptr, "False", strlen("False")) == 0) { |
| 2685 | out->start = ptr; |
| 2686 | out->end = (ptr + (int)strlen("False")); |
| 2687 | ptr = out->end; |
| 2688 | out->token_type = NPY_TOKEN_TYPE_FALSE; |
| 2689 | return VEC0_TOKEN_RESULT_SOME2; |
| 2690 | } else if (is_digit(curr)) { |
| 2691 | unsigned char *start = ptr; |
| 2692 | while (ptr < end && (is_digit(*ptr))) { |
| 2693 | ptr++; |
| 2694 | } |
| 2695 | out->start = start; |
| 2696 | out->end = ptr; |
| 2697 | out->token_type = NPY_TOKEN_TYPE_NUMBER; |
| 2698 | return VEC0_TOKEN_RESULT_SOME2; |
| 2699 | } else { |
| 2700 | return VEC0_TOKEN_RESULT_ERROR3; |
| 2701 | } |
| 2702 | } |
| 2703 | return VEC0_TOKEN_RESULT_ERROR3; |
| 2704 | } |
| 2705 | |
| 2706 | struct NpyScanner { |
| 2707 | unsigned char *start; |
| 2708 | unsigned char *end; |
| 2709 | unsigned char *ptr; |
| 2710 | }; |
| 2711 | |
| 2712 | void npy_scanner_init(struct NpyScanner *scanner, const unsigned char *source, |
| 2713 | int source_length) { |
| 2714 | scanner->start = (unsigned char *)source; |
| 2715 | scanner->end = (unsigned char *)source + source_length; |
| 2716 | scanner->ptr = (unsigned char *)source; |
| 2717 | } |
| 2718 | |
| 2719 | int npy_scanner_next(struct NpyScanner *scanner, struct NpyToken *out) { |
| 2720 | int rc = npy_token_next(scanner->start, scanner->end, out); |
| 2721 | if (rc == VEC0_TOKEN_RESULT_SOME2) { |
| 2722 | scanner->start = out->end; |
| 2723 | } |
| 2724 | return rc; |
| 2725 | } |
| 2726 | |
| 2727 | #define NPY_PARSE_ERROR"Error parsing numpy array: " "Error parsing numpy array: " |
| 2728 | int parse_npy_header(sqlite3_vtab *pVTab, const unsigned char *header, |
| 2729 | size_t headerLength, |
| 2730 | enum VectorElementType *out_element_type, |
| 2731 | int *fortran_order, size_t *numElements, |
| 2732 | size_t *numDimensions) { |
| 2733 | |
| 2734 | struct NpyScanner scanner; |
| 2735 | struct NpyToken token; |
| 2736 | int rc; |
| 2737 | npy_scanner_init(&scanner, header, headerLength); |
| 2738 | |
| 2739 | if (npy_scanner_next(&scanner, &token) != VEC0_TOKEN_RESULT_SOME2 && |
| 2740 | token.token_type != NPY_TOKEN_TYPE_LBRACE) { |
| 2741 | vtab_set_error(pVTab, |
| 2742 | NPY_PARSE_ERROR"Error parsing numpy array: " "numpy header did not start with '{'"); |
| 2743 | return SQLITE_ERROR1; |
| 2744 | } |
| 2745 | while (1) { |
| 2746 | rc = npy_scanner_next(&scanner, &token); |
| 2747 | if (rc != VEC0_TOKEN_RESULT_SOME2) { |
| 2748 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " "expected key in numpy header"); |
| 2749 | return SQLITE_ERROR1; |
| 2750 | } |
| 2751 | |
| 2752 | if (token.token_type == NPY_TOKEN_TYPE_RBRACE) { |
| 2753 | break; |
| 2754 | } |
| 2755 | if (token.token_type != NPY_TOKEN_TYPE_STRING) { |
| 2756 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2757 | "expected a string as key in numpy header"); |
| 2758 | return SQLITE_ERROR1; |
| 2759 | } |
| 2760 | unsigned char *key = token.start; |
| 2761 | |
| 2762 | rc = npy_scanner_next(&scanner, &token); |
| 2763 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2764 | (token.token_type != NPY_TOKEN_TYPE_COLON)) { |
| 2765 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2766 | "expected a ':' after key in numpy header"); |
| 2767 | return SQLITE_ERROR1; |
| 2768 | } |
| 2769 | |
| 2770 | if (strncmp((char *)key, "'descr'", strlen("'descr'")) == 0) { |
| 2771 | rc = npy_scanner_next(&scanner, &token); |
| 2772 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2773 | (token.token_type != NPY_TOKEN_TYPE_STRING)) { |
| 2774 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2775 | "expected a string value after 'descr' key"); |
| 2776 | return SQLITE_ERROR1; |
| 2777 | } |
| 2778 | if (strncmp((char *)token.start, "'<f4'", strlen("'<f4'")) != 0) { |
| 2779 | vtab_set_error( |
| 2780 | pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2781 | "Only '<f4' values are supported in sqlite-vec numpy functions"); |
| 2782 | return SQLITE_ERROR1; |
| 2783 | } |
| 2784 | *out_element_type = SQLITE_VEC_ELEMENT_TYPE_FLOAT32; |
| 2785 | } else if (strncmp((char *)key, "'fortran_order'", |
| 2786 | strlen("'fortran_order'")) == 0) { |
| 2787 | rc = npy_scanner_next(&scanner, &token); |
| 2788 | if (rc != VEC0_TOKEN_RESULT_SOME2 || |
| 2789 | token.token_type != NPY_TOKEN_TYPE_FALSE) { |
| 2790 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2791 | "Only fortran_order = False is supported in sqlite-vec " |
| 2792 | "numpy functions"); |
| 2793 | return SQLITE_ERROR1; |
| 2794 | } |
| 2795 | *fortran_order = 0; |
| 2796 | } else if (strncmp((char *)key, "'shape'", strlen("'shape'")) == 0) { |
| 2797 | // "(xxx, xxx)" OR (xxx,) |
| 2798 | size_t first; |
| 2799 | rc = npy_scanner_next(&scanner, &token); |
| 2800 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2801 | (token.token_type != NPY_TOKEN_TYPE_LPAREN)) { |
| 2802 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2803 | "Expected left parenthesis '(' after shape key"); |
| 2804 | return SQLITE_ERROR1; |
| 2805 | } |
| 2806 | |
| 2807 | rc = npy_scanner_next(&scanner, &token); |
| 2808 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2809 | (token.token_type != NPY_TOKEN_TYPE_NUMBER)) { |
| 2810 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2811 | "Expected an initial number in shape value"); |
| 2812 | return SQLITE_ERROR1; |
| 2813 | } |
| 2814 | first = strtol((char *)token.start, NULL((void*)0), 10); |
| 2815 | |
| 2816 | rc = npy_scanner_next(&scanner, &token); |
| 2817 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2818 | (token.token_type != NPY_TOKEN_TYPE_COMMA)) { |
| 2819 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2820 | "Expected comma after first shape value"); |
| 2821 | return SQLITE_ERROR1; |
| 2822 | } |
| 2823 | |
| 2824 | rc = npy_scanner_next(&scanner, &token); |
| 2825 | if (rc != VEC0_TOKEN_RESULT_SOME2) { |
| 2826 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2827 | "unexpected header EOF while parsing shape"); |
| 2828 | return SQLITE_ERROR1; |
| 2829 | } |
| 2830 | if (token.token_type == NPY_TOKEN_TYPE_NUMBER) { |
| 2831 | *numElements = first; |
| 2832 | *numDimensions = strtol((char *)token.start, NULL((void*)0), 10); |
| 2833 | rc = npy_scanner_next(&scanner, &token); |
| 2834 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2835 | (token.token_type != NPY_TOKEN_TYPE_RPAREN)) { |
| 2836 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " |
| 2837 | "expected right parenthesis after shape value"); |
| 2838 | return SQLITE_ERROR1; |
| 2839 | } |
| 2840 | } else if (token.token_type == NPY_TOKEN_TYPE_RPAREN) { |
| 2841 | // '(0,)' means an empty array! |
| 2842 | *numElements = first ? 1 : 0; |
| 2843 | *numDimensions = first; |
| 2844 | } else { |
| 2845 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " "unknown type in shape value"); |
| 2846 | return SQLITE_ERROR1; |
| 2847 | } |
| 2848 | } else { |
| 2849 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " "unknown key in numpy header"); |
| 2850 | return SQLITE_ERROR1; |
| 2851 | } |
| 2852 | |
| 2853 | rc = npy_scanner_next(&scanner, &token); |
| 2854 | if ((rc != VEC0_TOKEN_RESULT_SOME2) || |
| 2855 | (token.token_type != NPY_TOKEN_TYPE_COMMA)) { |
| 2856 | vtab_set_error(pVTab, NPY_PARSE_ERROR"Error parsing numpy array: " "unknown extra token after value"); |
| 2857 | return SQLITE_ERROR1; |
| 2858 | } |
| 2859 | } |
| 2860 | |
| 2861 | return SQLITE_OK0; |
| 2862 | } |
| 2863 | |
| 2864 | typedef struct vec_npy_each_vtab vec_npy_each_vtab; |
| 2865 | struct vec_npy_each_vtab { |
| 2866 | sqlite3_vtab base; |
| 2867 | }; |
| 2868 | |
| 2869 | typedef enum { |
| 2870 | VEC_NPY_EACH_INPUT_BUFFER, |
| 2871 | VEC_NPY_EACH_INPUT_FILE, |
| 2872 | } vec_npy_each_input_type; |
| 2873 | |
| 2874 | typedef struct vec_npy_each_cursor vec_npy_each_cursor; |
| 2875 | struct vec_npy_each_cursor { |
| 2876 | sqlite3_vtab_cursor base; |
| 2877 | i64 iRowid; |
| 2878 | // sqlite-vec compatible type of vector |
| 2879 | enum VectorElementType elementType; |
| 2880 | // number of vectors in the npy array |
| 2881 | size_t nElements; |
| 2882 | // number of dimensions each vector has |
| 2883 | size_t nDimensions; |
| 2884 | |
| 2885 | vec_npy_each_input_type input_type; |
| 2886 | |
| 2887 | // when input_type == VEC_NPY_EACH_INPUT_BUFFER |
| 2888 | |
| 2889 | // Buffer containing the vector data, when reading from an in-memory buffer. |
| 2890 | // Size: nElements * nDimensions * element_size |
| 2891 | // Clean up with sqlite3_free() once complete |
| 2892 | void *vector; |
| 2893 | |
| 2894 | // when input_type == VEC_NPY_EACH_INPUT_FILE |
| 2895 | |
| 2896 | // Opened npy file, when reading from a file. |
| 2897 | // fclose() when complete. |
| 2898 | #ifndef SQLITE_VEC_OMIT_FS |
| 2899 | FILE *file; |
| 2900 | #endif |
| 2901 | |
| 2902 | // an in-memory buffer containing a portion of the npy array. |
| 2903 | // Used for faster reading, instead of calling fread a lot. |
| 2904 | // Will have a byte-size of fileBufferSize |
| 2905 | void *chunksBuffer; |
| 2906 | // size of allocated fileBuffer in bytes |
| 2907 | size_t chunksBufferSize; |
| 2908 | //// Maximum length of the buffer, in terms of number of vectors. |
| 2909 | size_t maxChunks; |
| 2910 | |
| 2911 | // Counter index of the current vector into of fileBuffer to yield. |
| 2912 | // Starts at 0 once fileBuffer is read, and iterates to bufferLength. |
| 2913 | // Resets to 0 once that "buffer" is yielded and a new one is read. |
| 2914 | size_t currentChunkIndex; |
| 2915 | size_t currentChunkSize; |
| 2916 | |
| 2917 | // 0 when there are still more elements to read/yield, 1 when complete. |
| 2918 | int eof; |
| 2919 | }; |
| 2920 | |
| 2921 | static unsigned char NPY_MAGIC[6] = "\x93NUMPY"; |
| 2922 | |
| 2923 | #ifndef SQLITE_VEC_OMIT_FS |
| 2924 | int parse_npy_file(sqlite3_vtab *pVTab, FILE *file, vec_npy_each_cursor *pCur) { |
| 2925 | int n; |
| 2926 | fseek(file, 0, SEEK_END2); |
| 2927 | long fileSize = ftell(file); |
| 2928 | |
| 2929 | fseek(file, 0L, SEEK_SET0); |
| 2930 | |
| 2931 | unsigned char header[10]; |
| 2932 | n = fread(&header, sizeof(unsigned char), 10, file); |
| 2933 | if (n != 10) { |
| 2934 | vtab_set_error(pVTab, "numpy array file too short"); |
| 2935 | return SQLITE_ERROR1; |
| 2936 | } |
| 2937 | |
| 2938 | if (memcmp(NPY_MAGIC, header, sizeof(NPY_MAGIC)) != 0) { |
| 2939 | vtab_set_error(pVTab, |
| 2940 | "numpy array file does not contain the 'magic' header"); |
| 2941 | return SQLITE_ERROR1; |
| 2942 | } |
| 2943 | |
| 2944 | u8 major = header[6]; |
| 2945 | u8 minor = header[7]; |
| 2946 | uint16_t headerLength = 0; |
| 2947 | memcpy(&headerLength, &header[8], sizeof(uint16_t)); |
| 2948 | |
| 2949 | size_t totalHeaderLength = sizeof(NPY_MAGIC) + sizeof(major) + sizeof(minor) + |
| 2950 | sizeof(headerLength) + headerLength; |
| 2951 | i32 dataSize = fileSize - totalHeaderLength; |
| 2952 | if (dataSize < 0) { |
| 2953 | vtab_set_error(pVTab, "numpy array file header length is invalid"); |
| 2954 | return SQLITE_ERROR1; |
| 2955 | } |
| 2956 | |
| 2957 | unsigned char *headerX = sqlite3_mallocsqlite3_api->malloc(headerLength); |
| 2958 | if (headerLength && !headerX) { |
| 2959 | return SQLITE_NOMEM7; |
| 2960 | } |
| 2961 | |
| 2962 | n = fread(headerX, sizeof(char), headerLength, file); |
| 2963 | if (n != headerLength) { |
| 2964 | sqlite3_freesqlite3_api->free(headerX); |
| 2965 | vtab_set_error(pVTab, "numpy array file header length is invalid"); |
| 2966 | return SQLITE_ERROR1; |
| 2967 | } |
| 2968 | |
| 2969 | int fortran_order; |
| 2970 | enum VectorElementType element_type; |
| 2971 | size_t numElements; |
| 2972 | size_t numDimensions; |
| 2973 | int rc = parse_npy_header(pVTab, headerX, headerLength, &element_type, |
| 2974 | &fortran_order, &numElements, &numDimensions); |
| 2975 | sqlite3_freesqlite3_api->free(headerX); |
| 2976 | if (rc != SQLITE_OK0) { |
| 2977 | // parse_npy_header already attackes an error emssage |
| 2978 | return rc; |
| 2979 | } |
| 2980 | |
| 2981 | i32 expectedDataSize = |
| 2982 | numElements * vector_byte_size(element_type, numDimensions); |
| 2983 | if (expectedDataSize != dataSize) { |
| 2984 | vtab_set_error( |
| 2985 | pVTab, "numpy array file error: Expected a data size of %d, found %d", |
| 2986 | expectedDataSize, dataSize); |
| 2987 | return SQLITE_ERROR1; |
| 2988 | } |
| 2989 | |
| 2990 | pCur->maxChunks = 1024; |
| 2991 | pCur->chunksBufferSize = |
| 2992 | (vector_byte_size(element_type, numDimensions)) * pCur->maxChunks; |
| 2993 | pCur->chunksBuffer = sqlite3_mallocsqlite3_api->malloc(pCur->chunksBufferSize); |
| 2994 | if (pCur->chunksBufferSize && !pCur->chunksBuffer) { |
| 2995 | return SQLITE_NOMEM7; |
| 2996 | } |
| 2997 | |
| 2998 | pCur->currentChunkSize = |
| 2999 | fread(pCur->chunksBuffer, vector_byte_size(element_type, numDimensions), |
| 3000 | pCur->maxChunks, file); |
| 3001 | |
| 3002 | pCur->currentChunkIndex = 0; |
| 3003 | pCur->elementType = element_type; |
| 3004 | pCur->nElements = numElements; |
| 3005 | pCur->nDimensions = numDimensions; |
| 3006 | pCur->input_type = VEC_NPY_EACH_INPUT_FILE; |
| 3007 | |
| 3008 | pCur->eof = pCur->currentChunkSize == 0; |
| 3009 | pCur->file = file; |
| 3010 | return SQLITE_OK0; |
| 3011 | } |
| 3012 | #endif |
| 3013 | |
| 3014 | int parse_npy_buffer(sqlite3_vtab *pVTab, const unsigned char *buffer, |
| 3015 | int bufferLength, void **data, size_t *numElements, |
| 3016 | size_t *numDimensions, |
| 3017 | enum VectorElementType *element_type) { |
| 3018 | |
| 3019 | if (bufferLength < 10) { |
| 3020 | // IMP: V03312_20150 |
| 3021 | vtab_set_error(pVTab, "numpy array too short"); |
| 3022 | return SQLITE_ERROR1; |
| 3023 | } |
| 3024 | if (memcmp(NPY_MAGIC, buffer, sizeof(NPY_MAGIC)) != 0) { |
| 3025 | // V11954_28792 |
| 3026 | vtab_set_error(pVTab, "numpy array does not contain the 'magic' header"); |
| 3027 | return SQLITE_ERROR1; |
| 3028 | } |
| 3029 | |
| 3030 | u8 major = buffer[6]; |
| 3031 | u8 minor = buffer[7]; |
| 3032 | uint16_t headerLength = 0; |
| 3033 | memcpy(&headerLength, &buffer[8], sizeof(uint16_t)); |
| 3034 | |
| 3035 | i32 totalHeaderLength = sizeof(NPY_MAGIC) + sizeof(major) + sizeof(minor) + |
| 3036 | sizeof(headerLength) + headerLength; |
| 3037 | i32 dataSize = bufferLength - totalHeaderLength; |
| 3038 | |
| 3039 | if (dataSize < 0) { |
| 3040 | vtab_set_error(pVTab, "numpy array header length is invalid"); |
| 3041 | return SQLITE_ERROR1; |
| 3042 | } |
| 3043 | |
| 3044 | const unsigned char *header = &buffer[10]; |
| 3045 | int fortran_order; |
| 3046 | |
| 3047 | int rc = parse_npy_header(pVTab, header, headerLength, element_type, |
| 3048 | &fortran_order, numElements, numDimensions); |
| 3049 | if (rc != SQLITE_OK0) { |
| 3050 | return rc; |
| 3051 | } |
| 3052 | |
| 3053 | i32 expectedDataSize = |
| 3054 | (*numElements * vector_byte_size(*element_type, *numDimensions)); |
| 3055 | if (expectedDataSize != dataSize) { |
| 3056 | vtab_set_error(pVTab, |
| 3057 | "numpy array error: Expected a data size of %d, found %d", |
| 3058 | expectedDataSize, dataSize); |
| 3059 | return SQLITE_ERROR1; |
| 3060 | } |
| 3061 | |
| 3062 | *data = (void *)&buffer[totalHeaderLength]; |
| 3063 | return SQLITE_OK0; |
| 3064 | } |
| 3065 | |
| 3066 | static int vec_npy_eachConnect(sqlite3 *db, void *pAux, int argc, |
| 3067 | const char *const *argv, sqlite3_vtab **ppVtab, |
| 3068 | char **pzErr) { |
| 3069 | UNUSED_PARAMETER(pAux)(void)(pAux); |
| 3070 | UNUSED_PARAMETER(argc)(void)(argc); |
| 3071 | UNUSED_PARAMETER(argv)(void)(argv); |
| 3072 | UNUSED_PARAMETER(pzErr)(void)(pzErr); |
| 3073 | vec_npy_each_vtab *pNew; |
| 3074 | int rc; |
| 3075 | |
| 3076 | rc = sqlite3_declare_vtabsqlite3_api->declare_vtab(db, "CREATE TABLE x(vector, input hidden)"); |
| 3077 | #define VEC_NPY_EACH_COLUMN_VECTOR0 0 |
| 3078 | #define VEC_NPY_EACH_COLUMN_INPUT1 1 |
| 3079 | if (rc == SQLITE_OK0) { |
| 3080 | pNew = sqlite3_mallocsqlite3_api->malloc(sizeof(*pNew)); |
| 3081 | *ppVtab = (sqlite3_vtab *)pNew; |
| 3082 | if (pNew == 0) |
| 3083 | return SQLITE_NOMEM7; |
| 3084 | memset(pNew, 0, sizeof(*pNew)); |
| 3085 | } |
| 3086 | return rc; |
| 3087 | } |
| 3088 | |
| 3089 | static int vec_npy_eachDisconnect(sqlite3_vtab *pVtab) { |
| 3090 | vec_npy_each_vtab *p = (vec_npy_each_vtab *)pVtab; |
| 3091 | sqlite3_freesqlite3_api->free(p); |
| 3092 | return SQLITE_OK0; |
| 3093 | } |
| 3094 | |
| 3095 | static int vec_npy_eachOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor) { |
| 3096 | UNUSED_PARAMETER(p)(void)(p); |
| 3097 | vec_npy_each_cursor *pCur; |
| 3098 | pCur = sqlite3_mallocsqlite3_api->malloc(sizeof(*pCur)); |
| 3099 | if (pCur == 0) |
| 3100 | return SQLITE_NOMEM7; |
| 3101 | memset(pCur, 0, sizeof(*pCur)); |
| 3102 | *ppCursor = &pCur->base; |
| 3103 | return SQLITE_OK0; |
| 3104 | } |
| 3105 | |
| 3106 | static int vec_npy_eachClose(sqlite3_vtab_cursor *cur) { |
| 3107 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)cur; |
| 3108 | #ifndef SQLITE_VEC_OMIT_FS |
| 3109 | if (pCur->file) { |
| 3110 | fclose(pCur->file); |
| 3111 | pCur->file = NULL((void*)0); |
| 3112 | } |
| 3113 | #endif |
| 3114 | if (pCur->chunksBuffer) { |
| 3115 | sqlite3_freesqlite3_api->free(pCur->chunksBuffer); |
| 3116 | pCur->chunksBuffer = NULL((void*)0); |
| 3117 | } |
| 3118 | if (pCur->vector) { |
| 3119 | pCur->vector = NULL((void*)0); |
| 3120 | } |
| 3121 | sqlite3_freesqlite3_api->free(pCur); |
| 3122 | return SQLITE_OK0; |
| 3123 | } |
| 3124 | |
| 3125 | static int vec_npy_eachBestIndex(sqlite3_vtab *pVTab, |
| 3126 | sqlite3_index_info *pIdxInfo) { |
| 3127 | int hasInput; |
| 3128 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 3129 | const struct sqlite3_index_constraint *pCons = &pIdxInfo->aConstraint[i]; |
| 3130 | // printf("i=%d iColumn=%d, op=%d, usable=%d\n", i, pCons->iColumn, |
| 3131 | // pCons->op, pCons->usable); |
| 3132 | switch (pCons->iColumn) { |
| 3133 | case VEC_NPY_EACH_COLUMN_INPUT1: { |
| 3134 | if (pCons->op == SQLITE_INDEX_CONSTRAINT_EQ2 && pCons->usable) { |
| 3135 | hasInput = 1; |
| 3136 | pIdxInfo->aConstraintUsage[i].argvIndex = 1; |
| 3137 | pIdxInfo->aConstraintUsage[i].omit = 1; |
| 3138 | } |
| 3139 | break; |
| 3140 | } |
| 3141 | } |
| 3142 | } |
| 3143 | if (!hasInput) { |
| 3144 | pVTab->zErrMsg = sqlite3_mprintfsqlite3_api->mprintf("input argument is required"); |
| 3145 | return SQLITE_ERROR1; |
| 3146 | } |
| 3147 | |
| 3148 | pIdxInfo->estimatedCost = (double)100000; |
| 3149 | pIdxInfo->estimatedRows = 100000; |
| 3150 | |
| 3151 | return SQLITE_OK0; |
| 3152 | } |
| 3153 | |
| 3154 | static int vec_npy_eachFilter(sqlite3_vtab_cursor *pVtabCursor, int idxNum, |
| 3155 | const char *idxStr, int argc, |
| 3156 | sqlite3_value **argv) { |
| 3157 | UNUSED_PARAMETER(idxNum)(void)(idxNum); |
| 3158 | UNUSED_PARAMETER(idxStr)(void)(idxStr); |
| 3159 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 3159, __extension__ __PRETTY_FUNCTION__); })); |
| 3160 | int rc; |
| 3161 | |
| 3162 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)pVtabCursor; |
| 3163 | |
| 3164 | #ifndef SQLITE_VEC_OMIT_FS |
| 3165 | if (pCur->file) { |
| 3166 | fclose(pCur->file); |
| 3167 | pCur->file = NULL((void*)0); |
| 3168 | } |
| 3169 | #endif |
| 3170 | if (pCur->chunksBuffer) { |
| 3171 | sqlite3_freesqlite3_api->free(pCur->chunksBuffer); |
| 3172 | pCur->chunksBuffer = NULL((void*)0); |
| 3173 | } |
| 3174 | if (pCur->vector) { |
| 3175 | pCur->vector = NULL((void*)0); |
| 3176 | } |
| 3177 | |
| 3178 | #ifndef SQLITE_VEC_OMIT_FS |
| 3179 | struct VecNpyFile *f = NULL((void*)0); |
| 3180 | if ((f = sqlite3_value_pointersqlite3_api->value_pointer(argv[0], SQLITE_VEC_NPY_FILE_NAME"vec0-npy-file"))) { |
| 3181 | FILE *file = fopen(f->path, "r"); |
| 3182 | if (!file) { |
| 3183 | vtab_set_error(pVtabCursor->pVtab, "Could not open numpy file"); |
| 3184 | return SQLITE_ERROR1; |
| 3185 | } |
| 3186 | |
| 3187 | rc = parse_npy_file(pVtabCursor->pVtab, file, pCur); |
| 3188 | if (rc != SQLITE_OK0) { |
| 3189 | #ifndef SQLITE_VEC_OMIT_FS |
| 3190 | fclose(file); |
| 3191 | #endif |
| 3192 | return rc; |
| 3193 | } |
| 3194 | |
| 3195 | } else |
| 3196 | #endif |
| 3197 | { |
| 3198 | |
| 3199 | const unsigned char *input = sqlite3_value_blobsqlite3_api->value_blob(argv[0]); |
| 3200 | int inputLength = sqlite3_value_bytessqlite3_api->value_bytes(argv[0]); |
| 3201 | void *data; |
| 3202 | size_t numElements; |
| 3203 | size_t numDimensions; |
| 3204 | enum VectorElementType element_type; |
| 3205 | |
| 3206 | rc = parse_npy_buffer(pVtabCursor->pVtab, input, inputLength, &data, |
| 3207 | &numElements, &numDimensions, &element_type); |
| 3208 | if (rc != SQLITE_OK0) { |
| 3209 | return rc; |
| 3210 | } |
| 3211 | |
| 3212 | pCur->vector = data; |
| 3213 | pCur->elementType = element_type; |
| 3214 | pCur->nElements = numElements; |
| 3215 | pCur->nDimensions = numDimensions; |
| 3216 | pCur->input_type = VEC_NPY_EACH_INPUT_BUFFER; |
| 3217 | } |
| 3218 | |
| 3219 | pCur->iRowid = 0; |
| 3220 | return SQLITE_OK0; |
| 3221 | } |
| 3222 | |
| 3223 | static int vec_npy_eachRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid) { |
| 3224 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)cur; |
| 3225 | *pRowid = pCur->iRowid; |
| 3226 | return SQLITE_OK0; |
| 3227 | } |
| 3228 | |
| 3229 | static int vec_npy_eachEof(sqlite3_vtab_cursor *cur) { |
| 3230 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)cur; |
| 3231 | if (pCur->input_type == VEC_NPY_EACH_INPUT_BUFFER) { |
| 3232 | return (!pCur->nElements) || (size_t)pCur->iRowid >= pCur->nElements; |
| 3233 | } |
| 3234 | return pCur->eof; |
| 3235 | } |
| 3236 | |
| 3237 | static int vec_npy_eachNext(sqlite3_vtab_cursor *cur) { |
| 3238 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)cur; |
| 3239 | pCur->iRowid++; |
| 3240 | if (pCur->input_type == VEC_NPY_EACH_INPUT_BUFFER) { |
| 3241 | return SQLITE_OK0; |
| 3242 | } |
| 3243 | |
| 3244 | #ifndef SQLITE_VEC_OMIT_FS |
| 3245 | // else: input is a file |
| 3246 | pCur->currentChunkIndex++; |
| 3247 | if (pCur->currentChunkIndex >= pCur->currentChunkSize) { |
| 3248 | pCur->currentChunkSize = |
| 3249 | fread(pCur->chunksBuffer, |
| 3250 | vector_byte_size(pCur->elementType, pCur->nDimensions), |
| 3251 | pCur->maxChunks, pCur->file); |
| 3252 | if (!pCur->currentChunkSize) { |
| 3253 | pCur->eof = 1; |
| 3254 | } |
| 3255 | pCur->currentChunkIndex = 0; |
| 3256 | } |
| 3257 | #endif |
| 3258 | return SQLITE_OK0; |
| 3259 | } |
| 3260 | |
| 3261 | static int vec_npy_eachColumnBuffer(vec_npy_each_cursor *pCur, |
| 3262 | sqlite3_context *context, int i) { |
| 3263 | switch (i) { |
| 3264 | case VEC_NPY_EACH_COLUMN_VECTOR0: { |
| 3265 | sqlite3_result_subtypesqlite3_api->result_subtype(context, pCur->elementType); |
| 3266 | switch (pCur->elementType) { |
| 3267 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 3268 | sqlite3_result_blobsqlite3_api->result_blob( |
| 3269 | context, |
| 3270 | &((unsigned char *) |
| 3271 | pCur->vector)[pCur->iRowid * pCur->nDimensions * sizeof(f32)], |
| 3272 | pCur->nDimensions * sizeof(f32), SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 3273 | |
| 3274 | break; |
| 3275 | } |
| 3276 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 3277 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 3278 | // https://github.com/asg017/sqlite-vec/issues/42 |
| 3279 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 3280 | "vec_npy_each only supports float32 vectors", -1); |
| 3281 | break; |
| 3282 | } |
| 3283 | } |
| 3284 | |
| 3285 | break; |
| 3286 | } |
| 3287 | } |
| 3288 | return SQLITE_OK0; |
| 3289 | } |
| 3290 | static int vec_npy_eachColumnFile(vec_npy_each_cursor *pCur, |
| 3291 | sqlite3_context *context, int i) { |
| 3292 | switch (i) { |
| 3293 | case VEC_NPY_EACH_COLUMN_VECTOR0: { |
| 3294 | switch (pCur->elementType) { |
| 3295 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 3296 | sqlite3_result_blobsqlite3_api->result_blob( |
| 3297 | context, |
| 3298 | &((unsigned char *) |
| 3299 | pCur->chunksBuffer)[pCur->currentChunkIndex * |
| 3300 | pCur->nDimensions * sizeof(f32)], |
| 3301 | pCur->nDimensions * sizeof(f32), SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 3302 | break; |
| 3303 | } |
| 3304 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 3305 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 3306 | // https://github.com/asg017/sqlite-vec/issues/42 |
| 3307 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 3308 | "vec_npy_each only supports float32 vectors", -1); |
| 3309 | break; |
| 3310 | } |
| 3311 | } |
| 3312 | break; |
| 3313 | } |
| 3314 | } |
| 3315 | return SQLITE_OK0; |
| 3316 | } |
| 3317 | static int vec_npy_eachColumn(sqlite3_vtab_cursor *cur, |
| 3318 | sqlite3_context *context, int i) { |
| 3319 | vec_npy_each_cursor *pCur = (vec_npy_each_cursor *)cur; |
| 3320 | switch (pCur->input_type) { |
| 3321 | case VEC_NPY_EACH_INPUT_BUFFER: |
| 3322 | return vec_npy_eachColumnBuffer(pCur, context, i); |
| 3323 | case VEC_NPY_EACH_INPUT_FILE: |
| 3324 | return vec_npy_eachColumnFile(pCur, context, i); |
| 3325 | } |
| 3326 | return SQLITE_ERROR1; |
| 3327 | } |
| 3328 | |
| 3329 | static sqlite3_module vec_npy_eachModule = { |
| 3330 | /* iVersion */ 0, |
| 3331 | /* xCreate */ 0, |
| 3332 | /* xConnect */ vec_npy_eachConnect, |
| 3333 | /* xBestIndex */ vec_npy_eachBestIndex, |
| 3334 | /* xDisconnect */ vec_npy_eachDisconnect, |
| 3335 | /* xDestroy */ 0, |
| 3336 | /* xOpen */ vec_npy_eachOpen, |
| 3337 | /* xClose */ vec_npy_eachClose, |
| 3338 | /* xFilter */ vec_npy_eachFilter, |
| 3339 | /* xNext */ vec_npy_eachNext, |
| 3340 | /* xEof */ vec_npy_eachEof, |
| 3341 | /* xColumn */ vec_npy_eachColumn, |
| 3342 | /* xRowid */ vec_npy_eachRowid, |
| 3343 | /* xUpdate */ 0, |
| 3344 | /* xBegin */ 0, |
| 3345 | /* xSync */ 0, |
| 3346 | /* xCommit */ 0, |
| 3347 | /* xRollback */ 0, |
| 3348 | /* xFindMethod */ 0, |
| 3349 | /* xRename */ 0, |
| 3350 | /* xSavepoint */ 0, |
| 3351 | /* xRelease */ 0, |
| 3352 | /* xRollbackTo */ 0, |
| 3353 | /* xShadowName */ 0, |
| 3354 | #if SQLITE_VERSION_NUMBER3050001 >= 3044000 |
| 3355 | /* xIntegrity */ 0, |
| 3356 | #endif |
| 3357 | }; |
| 3358 | |
| 3359 | #pragma endregion |
| 3360 | |
| 3361 | #pragma region vec0 virtual table |
| 3362 | |
| 3363 | #define VEC0_COLUMN_ID0 0 |
| 3364 | #define VEC0_COLUMN_USERN_START1 1 |
| 3365 | #define VEC0_COLUMN_OFFSET_DISTANCE1 1 |
| 3366 | #define VEC0_COLUMN_OFFSET_K2 2 |
| 3367 | |
| 3368 | #define VEC0_SHADOW_INFO_NAME"\"%w\".\"%w_info\"" "\"%w\".\"%w_info\"" |
| 3369 | |
| 3370 | #define VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" "\"%w\".\"%w_chunks\"" |
| 3371 | /// 1) schema, 2) original vtab table name |
| 3372 | #define VEC0_SHADOW_CHUNKS_CREATE"CREATE TABLE " "\"%w\".\"%w_chunks\"" "(" "chunk_id INTEGER PRIMARY KEY AUTOINCREMENT," "size INTEGER NOT NULL," "validity BLOB NOT NULL," "rowids BLOB NOT NULL" ");" \ |
| 3373 | "CREATE TABLE " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" "(" \ |
| 3374 | "chunk_id INTEGER PRIMARY KEY AUTOINCREMENT," \ |
| 3375 | "size INTEGER NOT NULL," \ |
| 3376 | "validity BLOB NOT NULL," \ |
| 3377 | "rowids BLOB NOT NULL" \ |
| 3378 | ");" |
| 3379 | |
| 3380 | #define VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" "\"%w\".\"%w_rowids\"" |
| 3381 | /// 1) schema, 2) original vtab table name |
| 3382 | #define VEC0_SHADOW_ROWIDS_CREATE_BASIC"CREATE TABLE " "\"%w\".\"%w_rowids\"" "(" "rowid INTEGER PRIMARY KEY AUTOINCREMENT," "id," "chunk_id INTEGER," "chunk_offset INTEGER" ");" \ |
| 3383 | "CREATE TABLE " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" "(" \ |
| 3384 | "rowid INTEGER PRIMARY KEY AUTOINCREMENT," \ |
| 3385 | "id," \ |
| 3386 | "chunk_id INTEGER," \ |
| 3387 | "chunk_offset INTEGER" \ |
| 3388 | ");" |
| 3389 | |
| 3390 | // vec0 tables with a text primary keys are still backed by int64 primary keys, |
| 3391 | // since a fixed-length rowid is required for vec0 chunks. But we add a new 'id |
| 3392 | // text unique' column to emulate a text primary key interface. |
| 3393 | #define VEC0_SHADOW_ROWIDS_CREATE_PK_TEXT"CREATE TABLE " "\"%w\".\"%w_rowids\"" "(" "rowid INTEGER PRIMARY KEY AUTOINCREMENT," "id TEXT UNIQUE NOT NULL," "chunk_id INTEGER," "chunk_offset INTEGER" ");" \ |
| 3394 | "CREATE TABLE " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" "(" \ |
| 3395 | "rowid INTEGER PRIMARY KEY AUTOINCREMENT," \ |
| 3396 | "id TEXT UNIQUE NOT NULL," \ |
| 3397 | "chunk_id INTEGER," \ |
| 3398 | "chunk_offset INTEGER" \ |
| 3399 | ");" |
| 3400 | |
| 3401 | /// 1) schema, 2) original vtab table name |
| 3402 | #define VEC0_SHADOW_VECTOR_N_NAME"\"%w\".\"%w_vector_chunks%02d\"" "\"%w\".\"%w_vector_chunks%02d\"" |
| 3403 | |
| 3404 | /// 1) schema, 2) original vtab table name |
| 3405 | #define VEC0_SHADOW_VECTOR_N_CREATE"CREATE TABLE " "\"%w\".\"%w_vector_chunks%02d\"" "(" "rowid PRIMARY KEY," "vectors BLOB NOT NULL" ");" \ |
| 3406 | "CREATE TABLE " VEC0_SHADOW_VECTOR_N_NAME"\"%w\".\"%w_vector_chunks%02d\"" "(" \ |
| 3407 | "rowid PRIMARY KEY," \ |
| 3408 | "vectors BLOB NOT NULL" \ |
| 3409 | ");" |
| 3410 | |
| 3411 | #define VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" "\"%w\".\"%w_auxiliary\"" |
| 3412 | |
| 3413 | #define VEC0_SHADOW_METADATA_N_NAME"\"%w\".\"%w_metadatachunks%02d\"" "\"%w\".\"%w_metadatachunks%02d\"" |
| 3414 | #define VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" "\"%w\".\"%w_metadatatext%02d\"" |
| 3415 | |
| 3416 | #define VEC_INTERAL_ERROR"Internal sqlite-vec error: " "Internal sqlite-vec error: " |
| 3417 | #define REPORT_URL"https://github.com/asg017/sqlite-vec/issues/new" "https://github.com/asg017/sqlite-vec/issues/new" |
| 3418 | |
| 3419 | typedef struct vec0_vtab vec0_vtab; |
| 3420 | |
| 3421 | #define VEC0_MAX_VECTOR_COLUMNS16 16 |
| 3422 | #define VEC0_MAX_PARTITION_COLUMNS4 4 |
| 3423 | #define VEC0_MAX_AUXILIARY_COLUMNS16 16 |
| 3424 | #define VEC0_MAX_METADATA_COLUMNS16 16 |
| 3425 | |
| 3426 | #define SQLITE_VEC_VEC0_MAX_DIMENSIONS8192 8192 |
| 3427 | #define VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16 16 |
| 3428 | #define VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12 12 |
| 3429 | |
| 3430 | typedef enum { |
| 3431 | // vector column, ie "contents_embedding float[1024]" |
| 3432 | SQLITE_VEC0_USER_COLUMN_KIND_VECTOR = 1, |
| 3433 | |
| 3434 | // partition key column, ie "user_id integer partition key" |
| 3435 | SQLITE_VEC0_USER_COLUMN_KIND_PARTITION = 2, |
| 3436 | |
| 3437 | // |
| 3438 | SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY = 3, |
| 3439 | |
| 3440 | // metadata column that can be filtered, ie "genre text" |
| 3441 | SQLITE_VEC0_USER_COLUMN_KIND_METADATA = 4, |
| 3442 | } vec0_user_column_kind; |
| 3443 | |
| 3444 | struct vec0_vtab { |
| 3445 | sqlite3_vtab base; |
| 3446 | |
| 3447 | // the SQLite connection of the host database |
| 3448 | sqlite3 *db; |
| 3449 | |
| 3450 | // True if the primary key of the vec0 table has a column type TEXT. |
| 3451 | // Will change the schema of the _rowids table, and insert/query logic. |
| 3452 | int pkIsText; |
| 3453 | |
| 3454 | // number of defined vector columns. |
| 3455 | int numVectorColumns; |
| 3456 | |
| 3457 | // number of defined PARTITION KEY columns. |
| 3458 | int numPartitionColumns; |
| 3459 | |
| 3460 | // number of defined auxiliary columns |
| 3461 | int numAuxiliaryColumns; |
| 3462 | |
| 3463 | // number of defined metadata columns |
| 3464 | int numMetadataColumns; |
| 3465 | |
| 3466 | |
| 3467 | // Name of the schema the table exists on. |
| 3468 | // Must be freed with sqlite3_free() |
| 3469 | char *schemaName; |
| 3470 | |
| 3471 | // Name of the table the table exists on. |
| 3472 | // Must be freed with sqlite3_free() |
| 3473 | char *tableName; |
| 3474 | |
| 3475 | // Name of the _rowids shadow table. |
| 3476 | // Must be freed with sqlite3_free() |
| 3477 | char *shadowRowidsName; |
| 3478 | |
| 3479 | // Name of the _chunks shadow table. |
| 3480 | // Must be freed with sqlite3_free() |
| 3481 | char *shadowChunksName; |
| 3482 | |
| 3483 | // contains enum vec0_user_column_kind values for up to |
| 3484 | // numVectorColumns + numPartitionColumns entries |
| 3485 | vec0_user_column_kind user_column_kinds[VEC0_MAX_VECTOR_COLUMNS16 + VEC0_MAX_PARTITION_COLUMNS4 + VEC0_MAX_AUXILIARY_COLUMNS16 + VEC0_MAX_METADATA_COLUMNS16]; |
| 3486 | |
| 3487 | uint8_t user_column_idxs[VEC0_MAX_VECTOR_COLUMNS16 + VEC0_MAX_PARTITION_COLUMNS4 + VEC0_MAX_AUXILIARY_COLUMNS16 + VEC0_MAX_METADATA_COLUMNS16]; |
| 3488 | |
| 3489 | |
| 3490 | // Name of all the vector chunk shadow tables. |
| 3491 | // Ex '_vector_chunks00' |
| 3492 | // Only the first numVectorColumns entries will be available. |
| 3493 | // The first numVectorColumns entries must be freed with sqlite3_free() |
| 3494 | char *shadowVectorChunksNames[VEC0_MAX_VECTOR_COLUMNS16]; |
| 3495 | |
| 3496 | // Name of all metadata chunk shadow tables, ie `_metadatachunks00` |
| 3497 | // Only the first numMetadataColumns entries will be available. |
| 3498 | // The first numMetadataColumns entries must be freed with sqlite3_free() |
| 3499 | char *shadowMetadataChunksNames[VEC0_MAX_METADATA_COLUMNS16]; |
| 3500 | |
| 3501 | struct VectorColumnDefinition vector_columns[VEC0_MAX_VECTOR_COLUMNS16]; |
| 3502 | struct Vec0PartitionColumnDefinition paritition_columns[VEC0_MAX_PARTITION_COLUMNS4]; |
| 3503 | struct Vec0AuxiliaryColumnDefinition auxiliary_columns[VEC0_MAX_AUXILIARY_COLUMNS16]; |
| 3504 | struct Vec0MetadataColumnDefinition metadata_columns[VEC0_MAX_METADATA_COLUMNS16]; |
| 3505 | |
| 3506 | int chunk_size; |
| 3507 | |
| 3508 | // select latest chunk from _chunks, getting chunk_id |
| 3509 | sqlite3_stmt *stmtLatestChunk; |
| 3510 | |
| 3511 | /** |
| 3512 | * Statement to insert a row into the _rowids table, with a rowid. |
| 3513 | * Parameters: |
| 3514 | * 1: int64, rowid to insert |
| 3515 | * Result columns: none |
| 3516 | * SQL: "INSERT INTO _rowids(rowid) VALUES (?)" |
| 3517 | * |
| 3518 | * Must be cleaned up with sqlite3_finalize(). |
| 3519 | */ |
| 3520 | sqlite3_stmt *stmtRowidsInsertRowid; |
| 3521 | |
| 3522 | /** |
| 3523 | * Statement to insert a row into the _rowids table, with an id. |
| 3524 | * The id column isn't a tradition primary key, but instead a unique |
| 3525 | * column to handle "text primary key" vec0 tables. The true int64 rowid |
| 3526 | * can be retrieved after inserting with sqlite3_last_rowid(). |
| 3527 | * |
| 3528 | * Parameters: |
| 3529 | * 1: text or null, id to insert |
| 3530 | * Result columns: none |
| 3531 | * |
| 3532 | * Must be cleaned up with sqlite3_finalize(). |
| 3533 | */ |
| 3534 | sqlite3_stmt *stmtRowidsInsertId; |
| 3535 | |
| 3536 | /** |
| 3537 | * Statement to update the "position" columns chunk_id and chunk_offset for |
| 3538 | * a given _rowids row. Used when the "next available" chunk position is found |
| 3539 | * for a vector. |
| 3540 | * |
| 3541 | * Parameters: |
| 3542 | * 1: int64, chunk_id value |
| 3543 | * 2: int64, chunk_offset value |
| 3544 | * 3: int64, rowid value |
| 3545 | * Result columns: none |
| 3546 | * |
| 3547 | * Must be cleaned up with sqlite3_finalize(). |
| 3548 | */ |
| 3549 | sqlite3_stmt *stmtRowidsUpdatePosition; |
| 3550 | |
| 3551 | /** |
| 3552 | * Statement to quickly find the chunk_id + chunk_offset of a given row. |
| 3553 | * Parameters: |
| 3554 | * 1: rowid of the row/vector to lookup |
| 3555 | * Result columns: |
| 3556 | * 0: chunk_id (i64) |
| 3557 | * 1: chunk_offset (i64) |
| 3558 | * SQL: "SELECT id, chunk_id, chunk_offset FROM _rowids WHERE rowid = ?"" |
| 3559 | * |
| 3560 | * Must be cleaned up with sqlite3_finalize(). |
| 3561 | */ |
| 3562 | sqlite3_stmt *stmtRowidsGetChunkPosition; |
| 3563 | }; |
| 3564 | |
| 3565 | /** |
| 3566 | * @brief Finalize all the sqlite3_stmt members in a vec0_vtab. |
| 3567 | * |
| 3568 | * @param p vec0_vtab pointer |
| 3569 | */ |
| 3570 | void vec0_free_resources(vec0_vtab *p) { |
| 3571 | sqlite3_finalizesqlite3_api->finalize(p->stmtLatestChunk); |
| 3572 | p->stmtLatestChunk = NULL((void*)0); |
| 3573 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsInsertRowid); |
| 3574 | p->stmtRowidsInsertRowid = NULL((void*)0); |
| 3575 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsInsertId); |
| 3576 | p->stmtRowidsInsertId = NULL((void*)0); |
| 3577 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsUpdatePosition); |
| 3578 | p->stmtRowidsUpdatePosition = NULL((void*)0); |
| 3579 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsGetChunkPosition); |
| 3580 | p->stmtRowidsGetChunkPosition = NULL((void*)0); |
| 3581 | } |
| 3582 | |
| 3583 | /** |
| 3584 | * @brief Free all memory and sqlite3_stmt members of a vec0_vtab |
| 3585 | * |
| 3586 | * @param p vec0_vtab pointer |
| 3587 | */ |
| 3588 | void vec0_free(vec0_vtab *p) { |
| 3589 | vec0_free_resources(p); |
| 3590 | |
| 3591 | sqlite3_freesqlite3_api->free(p->schemaName); |
| 3592 | p->schemaName = NULL((void*)0); |
| 3593 | sqlite3_freesqlite3_api->free(p->tableName); |
| 3594 | p->tableName = NULL((void*)0); |
| 3595 | sqlite3_freesqlite3_api->free(p->shadowChunksName); |
| 3596 | p->shadowChunksName = NULL((void*)0); |
| 3597 | sqlite3_freesqlite3_api->free(p->shadowRowidsName); |
| 3598 | p->shadowRowidsName = NULL((void*)0); |
| 3599 | |
| 3600 | for (int i = 0; i < p->numVectorColumns; i++) { |
| 3601 | sqlite3_freesqlite3_api->free(p->shadowVectorChunksNames[i]); |
| 3602 | p->shadowVectorChunksNames[i] = NULL((void*)0); |
| 3603 | |
| 3604 | sqlite3_freesqlite3_api->free(p->vector_columns[i].name); |
| 3605 | p->vector_columns[i].name = NULL((void*)0); |
| 3606 | } |
| 3607 | } |
| 3608 | |
| 3609 | int vec0_num_defined_user_columns(vec0_vtab *p) { |
| 3610 | return p->numVectorColumns + p->numPartitionColumns + p->numAuxiliaryColumns + p->numMetadataColumns; |
| 3611 | } |
| 3612 | |
| 3613 | /** |
| 3614 | * @brief Returns the index of the distance hidden column for the given vec0 |
| 3615 | * table. |
| 3616 | * |
| 3617 | * @param p vec0 table |
| 3618 | * @return int |
| 3619 | */ |
| 3620 | int vec0_column_distance_idx(vec0_vtab *p) { |
| 3621 | return VEC0_COLUMN_USERN_START1 + (vec0_num_defined_user_columns(p) - 1) + |
| 3622 | VEC0_COLUMN_OFFSET_DISTANCE1; |
| 3623 | } |
| 3624 | |
| 3625 | /** |
| 3626 | * @brief Returns the index of the k hidden column for the given vec0 table. |
| 3627 | * |
| 3628 | * @param p vec0 table |
| 3629 | * @return int k column index |
| 3630 | */ |
| 3631 | int vec0_column_k_idx(vec0_vtab *p) { |
| 3632 | return VEC0_COLUMN_USERN_START1 + (vec0_num_defined_user_columns(p) - 1) + |
| 3633 | VEC0_COLUMN_OFFSET_K2; |
| 3634 | } |
| 3635 | |
| 3636 | /** |
| 3637 | * Returns 1 if the given column-based index is a valid vector column, |
| 3638 | * 0 otherwise. |
| 3639 | */ |
| 3640 | int vec0_column_idx_is_vector(vec0_vtab *pVtab, int column_idx) { |
| 3641 | return column_idx >= VEC0_COLUMN_USERN_START1 && |
| 3642 | column_idx <= (VEC0_COLUMN_USERN_START1 + vec0_num_defined_user_columns(pVtab) - 1) && |
| 3643 | pVtab->user_column_kinds[column_idx - VEC0_COLUMN_USERN_START1] == SQLITE_VEC0_USER_COLUMN_KIND_VECTOR; |
| 3644 | } |
| 3645 | |
| 3646 | /** |
| 3647 | * Returns the vector index of the given user column index. |
| 3648 | * ONLY call if validated with vec0_column_idx_is_vector before |
| 3649 | */ |
| 3650 | int vec0_column_idx_to_vector_idx(vec0_vtab *pVtab, int column_idx) { |
| 3651 | UNUSED_PARAMETER(pVtab)(void)(pVtab); |
| 3652 | return pVtab->user_column_idxs[column_idx - VEC0_COLUMN_USERN_START1]; |
| 3653 | } |
| 3654 | /** |
| 3655 | * Returns 1 if the given column-based index is a "partition key" column, |
| 3656 | * 0 otherwise. |
| 3657 | */ |
| 3658 | int vec0_column_idx_is_partition(vec0_vtab *pVtab, int column_idx) { |
| 3659 | return column_idx >= VEC0_COLUMN_USERN_START1 && |
| 3660 | column_idx <= (VEC0_COLUMN_USERN_START1 + vec0_num_defined_user_columns(pVtab) - 1) && |
| 3661 | pVtab->user_column_kinds[column_idx - VEC0_COLUMN_USERN_START1] == SQLITE_VEC0_USER_COLUMN_KIND_PARTITION; |
| 3662 | } |
| 3663 | |
| 3664 | /** |
| 3665 | * Returns the partition column index of the given user column index. |
| 3666 | * ONLY call if validated with vec0_column_idx_is_vector before |
| 3667 | */ |
| 3668 | int vec0_column_idx_to_partition_idx(vec0_vtab *pVtab, int column_idx) { |
| 3669 | UNUSED_PARAMETER(pVtab)(void)(pVtab); |
| 3670 | return pVtab->user_column_idxs[column_idx - VEC0_COLUMN_USERN_START1]; |
| 3671 | } |
| 3672 | |
| 3673 | /** |
| 3674 | * Returns 1 if the given column-based index is a auxiliary column, |
| 3675 | * 0 otherwise. |
| 3676 | */ |
| 3677 | int vec0_column_idx_is_auxiliary(vec0_vtab *pVtab, int column_idx) { |
| 3678 | return column_idx >= VEC0_COLUMN_USERN_START1 && |
| 3679 | column_idx <= (VEC0_COLUMN_USERN_START1 + vec0_num_defined_user_columns(pVtab) - 1) && |
| 3680 | pVtab->user_column_kinds[column_idx - VEC0_COLUMN_USERN_START1] == SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY; |
| 3681 | } |
| 3682 | |
| 3683 | /** |
| 3684 | * Returns the auxiliary column index of the given user column index. |
| 3685 | * ONLY call if validated with vec0_column_idx_to_partition_idx before |
| 3686 | */ |
| 3687 | int vec0_column_idx_to_auxiliary_idx(vec0_vtab *pVtab, int column_idx) { |
| 3688 | UNUSED_PARAMETER(pVtab)(void)(pVtab); |
| 3689 | return pVtab->user_column_idxs[column_idx - VEC0_COLUMN_USERN_START1]; |
| 3690 | } |
| 3691 | |
| 3692 | /** |
| 3693 | * Returns 1 if the given column-based index is a metadata column, |
| 3694 | * 0 otherwise. |
| 3695 | */ |
| 3696 | int vec0_column_idx_is_metadata(vec0_vtab *pVtab, int column_idx) { |
| 3697 | return column_idx >= VEC0_COLUMN_USERN_START1 && |
| 3698 | column_idx <= (VEC0_COLUMN_USERN_START1 + vec0_num_defined_user_columns(pVtab) - 1) && |
| 3699 | pVtab->user_column_kinds[column_idx - VEC0_COLUMN_USERN_START1] == SQLITE_VEC0_USER_COLUMN_KIND_METADATA; |
| 3700 | } |
| 3701 | |
| 3702 | /** |
| 3703 | * Returns the metadata column index of the given user column index. |
| 3704 | * ONLY call if validated with vec0_column_idx_is_metadata before |
| 3705 | */ |
| 3706 | int vec0_column_idx_to_metadata_idx(vec0_vtab *pVtab, int column_idx) { |
| 3707 | UNUSED_PARAMETER(pVtab)(void)(pVtab); |
| 3708 | return pVtab->user_column_idxs[column_idx - VEC0_COLUMN_USERN_START1]; |
| 3709 | } |
| 3710 | |
| 3711 | /** |
| 3712 | * @brief Retrieve the chunk_id, chunk_offset, and possible "id" value |
| 3713 | * of a vec0_vtab row with the provided rowid |
| 3714 | * |
| 3715 | * @param p vec0_vtab |
| 3716 | * @param rowid the rowid of the row to query |
| 3717 | * @param id output, optional sqlite3_value to provide the id. |
| 3718 | * Useful for text PK rows. Must be freed with sqlite3_value_free() |
| 3719 | * @param chunk_id output, the chunk_id the row belongs to |
| 3720 | * @param chunk_offset output, the offset within the chunk the row belongs to |
| 3721 | * @return SQLITE_ROW on success, error code otherwise. SQLITE_EMPTY if row DNE |
| 3722 | */ |
| 3723 | int vec0_get_chunk_position(vec0_vtab *p, i64 rowid, sqlite3_value **id, |
| 3724 | i64 *chunk_id, i64 *chunk_offset) { |
| 3725 | int rc; |
| 3726 | |
| 3727 | if (!p->stmtRowidsGetChunkPosition) { |
| 3728 | const char *zSql = |
| 3729 | sqlite3_mprintfsqlite3_api->mprintf("SELECT id, chunk_id, chunk_offset " |
| 3730 | "FROM " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" " WHERE rowid = ?", |
| 3731 | p->schemaName, p->tableName); |
| 3732 | if (!zSql) { |
| 3733 | rc = SQLITE_NOMEM7; |
| 3734 | goto cleanup; |
| 3735 | } |
| 3736 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &p->stmtRowidsGetChunkPosition, 0); |
| 3737 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 3738 | if (rc != SQLITE_OK0) { |
| 3739 | vtab_set_error( |
| 3740 | &p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 3741 | "could not initialize 'rowids get chunk position' statement"); |
| 3742 | goto cleanup; |
| 3743 | } |
| 3744 | } |
| 3745 | |
| 3746 | sqlite3_bind_int64sqlite3_api->bind_int64(p->stmtRowidsGetChunkPosition, 1, rowid); |
| 3747 | rc = sqlite3_stepsqlite3_api->step(p->stmtRowidsGetChunkPosition); |
| 3748 | // special case: when no results, return SQLITE_EMPTY to convey "that chunk |
| 3749 | // position doesnt exist" |
| 3750 | if (rc == SQLITE_DONE101) { |
| 3751 | rc = SQLITE_EMPTY16; |
| 3752 | goto cleanup; |
| 3753 | } |
| 3754 | if (rc != SQLITE_ROW100) { |
| 3755 | goto cleanup; |
| 3756 | } |
| 3757 | |
| 3758 | if (id) { |
| 3759 | sqlite3_value *value = |
| 3760 | sqlite3_column_valuesqlite3_api->column_value(p->stmtRowidsGetChunkPosition, 0); |
| 3761 | *id = sqlite3_value_dupsqlite3_api->value_dup(value); |
| 3762 | if (!*id) { |
| 3763 | rc = SQLITE_NOMEM7; |
| 3764 | goto cleanup; |
| 3765 | } |
| 3766 | } |
| 3767 | |
| 3768 | if (chunk_id) { |
| 3769 | *chunk_id = sqlite3_column_int64sqlite3_api->column_int64(p->stmtRowidsGetChunkPosition, 1); |
| 3770 | } |
| 3771 | if (chunk_offset) { |
| 3772 | *chunk_offset = sqlite3_column_int64sqlite3_api->column_int64(p->stmtRowidsGetChunkPosition, 2); |
| 3773 | } |
| 3774 | |
| 3775 | rc = SQLITE_OK0; |
| 3776 | |
| 3777 | cleanup: |
| 3778 | sqlite3_resetsqlite3_api->reset(p->stmtRowidsGetChunkPosition); |
| 3779 | sqlite3_clear_bindingssqlite3_api->clear_bindings(p->stmtRowidsGetChunkPosition); |
| 3780 | return rc; |
| 3781 | } |
| 3782 | |
| 3783 | /** |
| 3784 | * @brief Return the id value from the _rowids table where _rowids.rowid = |
| 3785 | * rowid. |
| 3786 | * |
| 3787 | * @param pVtab: vec0 table to query |
| 3788 | * @param rowid: rowid of the row to query. |
| 3789 | * @param out: A dup'ed sqlite3_value of the id column. Might be null. |
| 3790 | * Must be cleaned up with sqlite3_value_free(). |
| 3791 | * @returns SQLITE_OK on success, error code on failure |
| 3792 | */ |
| 3793 | int vec0_get_id_value_from_rowid(vec0_vtab *pVtab, i64 rowid, |
| 3794 | sqlite3_value **out) { |
| 3795 | // PERF: different strategy than get_chunk_position? |
| 3796 | return vec0_get_chunk_position((vec0_vtab *)pVtab, rowid, out, NULL((void*)0), NULL((void*)0)); |
| 3797 | } |
| 3798 | |
| 3799 | int vec0_rowid_from_id(vec0_vtab *p, sqlite3_value *valueId, i64 *rowid) { |
| 3800 | sqlite3_stmt *stmt = NULL((void*)0); |
| 3801 | int rc; |
| 3802 | char *zSql; |
| 3803 | zSql = sqlite3_mprintfsqlite3_api->mprintf("SELECT rowid" |
| 3804 | " FROM " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" " WHERE id = ?", |
| 3805 | p->schemaName, p->tableName); |
| 3806 | if (!zSql) { |
| 3807 | rc = SQLITE_NOMEM7; |
| 3808 | goto cleanup; |
| 3809 | } |
| 3810 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 3811 | sqlite3_freesqlite3_api->free(zSql); |
| 3812 | if (rc != SQLITE_OK0) { |
| 3813 | goto cleanup; |
| 3814 | } |
| 3815 | sqlite3_bind_valuesqlite3_api->bind_value(stmt, 1, valueId); |
| 3816 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 3817 | if (rc == SQLITE_DONE101) { |
| 3818 | rc = SQLITE_EMPTY16; |
| 3819 | goto cleanup; |
| 3820 | } |
| 3821 | if (rc != SQLITE_ROW100) { |
| 3822 | goto cleanup; |
| 3823 | } |
| 3824 | *rowid = sqlite3_column_int64sqlite3_api->column_int64(stmt, 0); |
| 3825 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 3826 | if (rc != SQLITE_DONE101) { |
| 3827 | goto cleanup; |
| 3828 | } |
| 3829 | |
| 3830 | rc = SQLITE_OK0; |
| 3831 | |
| 3832 | cleanup: |
| 3833 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 3834 | return rc; |
| 3835 | } |
| 3836 | |
| 3837 | int vec0_result_id(vec0_vtab *p, sqlite3_context *context, i64 rowid) { |
| 3838 | if (!p->pkIsText) { |
| 3839 | sqlite3_result_int64sqlite3_api->result_int64(context, rowid); |
| 3840 | return SQLITE_OK0; |
| 3841 | } |
| 3842 | sqlite3_value *valueId; |
| 3843 | int rc = vec0_get_id_value_from_rowid(p, rowid, &valueId); |
| 3844 | if (rc != SQLITE_OK0) { |
| 3845 | return rc; |
| 3846 | } |
| 3847 | if (!valueId) { |
| 3848 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 3849 | } else { |
| 3850 | sqlite3_result_valuesqlite3_api->result_value(context, valueId); |
| 3851 | sqlite3_value_freesqlite3_api->value_free(valueId); |
| 3852 | } |
| 3853 | return SQLITE_OK0; |
| 3854 | } |
| 3855 | |
| 3856 | /** |
| 3857 | * @brief |
| 3858 | * |
| 3859 | * @param pVtab: virtual table to query |
| 3860 | * @param rowid: row to lookup |
| 3861 | * @param vector_column_idx: which vector column to query |
| 3862 | * @param outVector: Output pointer to the vector buffer. |
| 3863 | * Must be sqlite3_free()'ed. |
| 3864 | * @param outVectorSize: Pointer to a int where the size of outVector |
| 3865 | * will be stored. |
| 3866 | * @return int SQLITE_OK on success. |
| 3867 | */ |
| 3868 | int vec0_get_vector_data(vec0_vtab *pVtab, i64 rowid, int vector_column_idx, |
| 3869 | void **outVector, int *outVectorSize) { |
| 3870 | vec0_vtab *p = pVtab; |
| 3871 | int rc, brc; |
| 3872 | i64 chunk_id; |
| 3873 | i64 chunk_offset; |
| 3874 | size_t size; |
| 3875 | void *buf = NULL((void*)0); |
| 3876 | int blobOffset; |
| 3877 | sqlite3_blob *vectorBlob = NULL((void*)0); |
| 3878 | assert((vector_column_idx >= 0) &&((void) sizeof (((vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)) ? 1 : 0), __extension__ ({ if ((vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)) ; else __assert_fail ("(vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 3879, __extension__ __PRETTY_FUNCTION__); })) |
| 3879 | (vector_column_idx < pVtab->numVectorColumns))((void) sizeof (((vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)) ? 1 : 0), __extension__ ({ if ((vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)) ; else __assert_fail ("(vector_column_idx >= 0) && (vector_column_idx < pVtab->numVectorColumns)" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 3879, __extension__ __PRETTY_FUNCTION__); })); |
| 3880 | |
| 3881 | rc = vec0_get_chunk_position(pVtab, rowid, NULL((void*)0), &chunk_id, &chunk_offset); |
| 3882 | if (rc == SQLITE_EMPTY16) { |
| 3883 | vtab_set_error(&pVtab->base, "Could not find a row with rowid %lld", rowid); |
| 3884 | goto cleanup; |
| 3885 | } |
| 3886 | if (rc != SQLITE_OK0) { |
| 3887 | goto cleanup; |
| 3888 | } |
| 3889 | |
| 3890 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, |
| 3891 | p->shadowVectorChunksNames[vector_column_idx], |
| 3892 | "vectors", chunk_id, 0, &vectorBlob); |
| 3893 | |
| 3894 | if (rc != SQLITE_OK0) { |
| 3895 | vtab_set_error(&pVtab->base, |
| 3896 | "Could not fetch vector data for %lld, opening blob failed", |
| 3897 | rowid); |
| 3898 | rc = SQLITE_ERROR1; |
| 3899 | goto cleanup; |
| 3900 | } |
| 3901 | |
| 3902 | size = vector_column_byte_size(pVtab->vector_columns[vector_column_idx]); |
| 3903 | blobOffset = chunk_offset * size; |
| 3904 | |
| 3905 | buf = sqlite3_mallocsqlite3_api->malloc(size); |
| 3906 | if (!buf) { |
| 3907 | rc = SQLITE_NOMEM7; |
| 3908 | goto cleanup; |
| 3909 | } |
| 3910 | |
| 3911 | rc = sqlite3_blob_readsqlite3_api->blob_read(vectorBlob, buf, size, blobOffset); |
| 3912 | if (rc != SQLITE_OK0) { |
| 3913 | sqlite3_freesqlite3_api->free(buf); |
| 3914 | buf = NULL((void*)0); |
| 3915 | vtab_set_error( |
| 3916 | &pVtab->base, |
| 3917 | "Could not fetch vector data for %lld, reading from blob failed", |
| 3918 | rowid); |
| 3919 | rc = SQLITE_ERROR1; |
| 3920 | goto cleanup; |
| 3921 | } |
| 3922 | |
| 3923 | *outVector = buf; |
| 3924 | if (outVectorSize) { |
| 3925 | *outVectorSize = size; |
| 3926 | } |
| 3927 | rc = SQLITE_OK0; |
| 3928 | |
| 3929 | cleanup: |
| 3930 | brc = sqlite3_blob_closesqlite3_api->blob_close(vectorBlob); |
| 3931 | if ((rc == SQLITE_OK0) && (brc != SQLITE_OK0)) { |
| 3932 | vtab_set_error( |
| 3933 | &p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 3934 | "unknown error, could not close vector blob, please file an issue"); |
| 3935 | return brc; |
| 3936 | } |
| 3937 | |
| 3938 | return rc; |
| 3939 | } |
| 3940 | |
| 3941 | /** |
| 3942 | * @brief Retrieve the sqlite3_value of the i'th partition value for the given row. |
| 3943 | * |
| 3944 | * @param pVtab - the vec0_vtab in questions |
| 3945 | * @param rowid - rowid of target row |
| 3946 | * @param partition_idx - which partition column to retrieve |
| 3947 | * @param outValue - output sqlite3_value |
| 3948 | * @return int - SQLITE_OK on success, otherwise error code |
| 3949 | */ |
| 3950 | int vec0_get_partition_value_for_rowid(vec0_vtab *pVtab, i64 rowid, int partition_idx, sqlite3_value ** outValue) { |
| 3951 | int rc; |
| 3952 | i64 chunk_id; |
| 3953 | i64 chunk_offset; |
| 3954 | rc = vec0_get_chunk_position(pVtab, rowid, NULL((void*)0), &chunk_id, &chunk_offset); |
| 3955 | if(rc != SQLITE_OK0) { |
| 3956 | return rc; |
| 3957 | } |
| 3958 | sqlite3_stmt * stmt = NULL((void*)0); |
| 3959 | char * zSql = sqlite3_mprintfsqlite3_api->mprintf("SELECT partition%02d FROM " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" " WHERE chunk_id = ?", partition_idx, pVtab->schemaName, pVtab->tableName); |
| 3960 | if(!zSql) { |
| 3961 | return SQLITE_NOMEM7; |
| 3962 | } |
| 3963 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(pVtab->db, zSql, -1, &stmt, NULL((void*)0)); |
| 3964 | sqlite3_freesqlite3_api->free(zSql); |
| 3965 | if(rc != SQLITE_OK0) { |
| 3966 | return rc; |
| 3967 | } |
| 3968 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, chunk_id); |
| 3969 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 3970 | if(rc != SQLITE_ROW100) { |
| 3971 | rc = SQLITE_ERROR1; |
| 3972 | goto done; |
| 3973 | } |
| 3974 | *outValue = sqlite3_value_dupsqlite3_api->value_dup(sqlite3_column_valuesqlite3_api->column_value(stmt, 0)); |
| 3975 | if(!*outValue) { |
| 3976 | rc = SQLITE_NOMEM7; |
| 3977 | goto done; |
| 3978 | } |
| 3979 | rc = SQLITE_OK0; |
| 3980 | |
| 3981 | done: |
| 3982 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 3983 | return rc; |
| 3984 | |
| 3985 | } |
| 3986 | |
| 3987 | /** |
| 3988 | * @brief Get the value of an auxiliary column for the given rowid |
| 3989 | * |
| 3990 | * @param pVtab vec0_vtab |
| 3991 | * @param rowid the rowid of the row to lookup |
| 3992 | * @param auxiliary_idx aux index of the column we care about |
| 3993 | * @param outValue Output sqlite3_value to store |
| 3994 | * @return int SQLITE_OK on success, error code otherwise |
| 3995 | */ |
| 3996 | int vec0_get_auxiliary_value_for_rowid(vec0_vtab *pVtab, i64 rowid, int auxiliary_idx, sqlite3_value ** outValue) { |
| 3997 | int rc; |
| 3998 | sqlite3_stmt * stmt = NULL((void*)0); |
| 3999 | char * zSql = sqlite3_mprintfsqlite3_api->mprintf("SELECT value%02d FROM " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" " WHERE rowid = ?", auxiliary_idx, pVtab->schemaName, pVtab->tableName); |
| 4000 | if(!zSql) { |
| 4001 | return SQLITE_NOMEM7; |
| 4002 | } |
| 4003 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(pVtab->db, zSql, -1, &stmt, NULL((void*)0)); |
| 4004 | sqlite3_freesqlite3_api->free(zSql); |
| 4005 | if(rc != SQLITE_OK0) { |
| 4006 | return rc; |
| 4007 | } |
| 4008 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 4009 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 4010 | if(rc != SQLITE_ROW100) { |
| 4011 | rc = SQLITE_ERROR1; |
| 4012 | goto done; |
| 4013 | } |
| 4014 | *outValue = sqlite3_value_dupsqlite3_api->value_dup(sqlite3_column_valuesqlite3_api->column_value(stmt, 0)); |
| 4015 | if(!*outValue) { |
| 4016 | rc = SQLITE_NOMEM7; |
| 4017 | goto done; |
| 4018 | } |
| 4019 | rc = SQLITE_OK0; |
| 4020 | |
| 4021 | done: |
| 4022 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4023 | return rc; |
| 4024 | } |
| 4025 | |
| 4026 | /** |
| 4027 | * @brief Result the given metadata value for the given row and metadata column index. |
| 4028 | * Will traverse the metadatachunksNN table with BLOB I/0 for the given rowid. |
| 4029 | * |
| 4030 | * @param p |
| 4031 | * @param rowid |
| 4032 | * @param metadata_idx |
| 4033 | * @param context |
| 4034 | * @return int |
| 4035 | */ |
| 4036 | int vec0_result_metadata_value_for_rowid(vec0_vtab *p, i64 rowid, int metadata_idx, sqlite3_context * context) { |
| 4037 | int rc; |
| 4038 | i64 chunk_id; |
| 4039 | i64 chunk_offset; |
| 4040 | rc = vec0_get_chunk_position(p, rowid, NULL((void*)0), &chunk_id, &chunk_offset); |
| 4041 | if(rc != SQLITE_OK0) { |
| 4042 | return rc; |
| 4043 | } |
| 4044 | sqlite3_blob * blobValue; |
| 4045 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowMetadataChunksNames[metadata_idx], "data", chunk_id, 0, &blobValue); |
| 4046 | if(rc != SQLITE_OK0) { |
| 4047 | return rc; |
| 4048 | } |
| 4049 | |
| 4050 | switch(p->metadata_columns[metadata_idx].kind) { |
| 4051 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 4052 | u8 block; |
| 4053 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &block, sizeof(block), chunk_offset / CHAR_BIT8); |
| 4054 | if(rc != SQLITE_OK0) { |
| 4055 | goto done; |
| 4056 | } |
| 4057 | int value = block >> ((chunk_offset % CHAR_BIT8)) & 1; |
| 4058 | sqlite3_result_intsqlite3_api->result_int(context, value); |
| 4059 | break; |
| 4060 | } |
| 4061 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 4062 | i64 value; |
| 4063 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &value, sizeof(value), chunk_offset * sizeof(i64)); |
| 4064 | if(rc != SQLITE_OK0) { |
| 4065 | goto done; |
| 4066 | } |
| 4067 | sqlite3_result_int64sqlite3_api->result_int64(context, value); |
| 4068 | break; |
| 4069 | } |
| 4070 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 4071 | double value; |
| 4072 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &value, sizeof(value), chunk_offset * sizeof(double)); |
| 4073 | if(rc != SQLITE_OK0) { |
| 4074 | goto done; |
| 4075 | } |
| 4076 | sqlite3_result_doublesqlite3_api->result_double(context, value); |
| 4077 | break; |
| 4078 | } |
| 4079 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 4080 | u8 view[VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 4081 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &view, VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16, chunk_offset * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 4082 | if(rc != SQLITE_OK0) { |
| 4083 | goto done; |
| 4084 | } |
| 4085 | int length = ((int *)view)[0]; |
| 4086 | if(length <= VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 4087 | sqlite3_result_textsqlite3_api->result_text(context, (const char*) (view + 4), length, SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 4088 | } |
| 4089 | else { |
| 4090 | sqlite3_stmt * stmt; |
| 4091 | const char * zSql = sqlite3_mprintfsqlite3_api->mprintf("SELECT data FROM " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " WHERE rowid = ?", p->schemaName, p->tableName, metadata_idx); |
| 4092 | if(!zSql) { |
| 4093 | rc = SQLITE_ERROR1; |
| 4094 | goto done; |
| 4095 | } |
| 4096 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 4097 | sqlite3_freesqlite3_api->free((void *) zSql); |
| 4098 | if(rc != SQLITE_OK0) { |
| 4099 | goto done; |
| 4100 | } |
| 4101 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 4102 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 4103 | if(rc != SQLITE_ROW100) { |
| 4104 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4105 | rc = SQLITE_ERROR1; |
| 4106 | goto done; |
| 4107 | } |
| 4108 | sqlite3_result_valuesqlite3_api->result_value(context, sqlite3_column_valuesqlite3_api->column_value(stmt, 0)); |
| 4109 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4110 | rc = SQLITE_OK0; |
| 4111 | } |
| 4112 | break; |
| 4113 | } |
| 4114 | } |
| 4115 | done: |
| 4116 | // blobValue is read-only, will not fail on close |
| 4117 | sqlite3_blob_closesqlite3_api->blob_close(blobValue); |
| 4118 | return rc; |
| 4119 | |
| 4120 | } |
| 4121 | |
| 4122 | int vec0_get_latest_chunk_rowid(vec0_vtab *p, i64 *chunk_rowid, sqlite3_value ** partitionKeyValues) { |
| 4123 | int rc; |
| 4124 | const char *zSql; |
| 4125 | // lazy initialize stmtLatestChunk when needed. May be cleared during xSync() |
| 4126 | if (!p->stmtLatestChunk) { |
| 4127 | if(p->numPartitionColumns > 0) { |
| 4128 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 4129 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "SELECT max(rowid) FROM " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" " WHERE ", |
| 4130 | p->schemaName, p->tableName); |
| 4131 | |
| 4132 | for(int i = 0; i < p->numPartitionColumns; i++) { |
| 4133 | if(i != 0) { |
| 4134 | sqlite3_str_appendallsqlite3_api->str_appendall(s, " AND "); |
| 4135 | } |
| 4136 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d = ? ", i); |
| 4137 | } |
| 4138 | zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 4139 | }else { |
| 4140 | zSql = sqlite3_mprintfsqlite3_api->mprintf("SELECT max(rowid) FROM " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"", |
| 4141 | p->schemaName, p->tableName); |
| 4142 | } |
| 4143 | |
| 4144 | if (!zSql) { |
| 4145 | rc = SQLITE_NOMEM7; |
| 4146 | goto cleanup; |
| 4147 | } |
| 4148 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &p->stmtLatestChunk, 0); |
| 4149 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 4150 | if (rc != SQLITE_OK0) { |
| 4151 | // IMP: V21406_05476 |
| 4152 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4153 | "could not initialize 'latest chunk' statement"); |
| 4154 | goto cleanup; |
| 4155 | } |
| 4156 | } |
| 4157 | |
| 4158 | for(int i = 0; i < p->numPartitionColumns; i++) { |
| 4159 | sqlite3_bind_valuesqlite3_api->bind_value(p->stmtLatestChunk, i+1, (partitionKeyValues[i])); |
| 4160 | } |
| 4161 | |
| 4162 | rc = sqlite3_stepsqlite3_api->step(p->stmtLatestChunk); |
| 4163 | if (rc != SQLITE_ROW100) { |
| 4164 | // IMP: V31559_15629 |
| 4165 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " "Could not find latest chunk"); |
| 4166 | rc = SQLITE_ERROR1; |
| 4167 | goto cleanup; |
| 4168 | } |
| 4169 | if(sqlite3_column_typesqlite3_api->column_type(p->stmtLatestChunk, 0) == SQLITE_NULL5){ |
| 4170 | rc = SQLITE_EMPTY16; |
| 4171 | goto cleanup; |
| 4172 | } |
| 4173 | *chunk_rowid = sqlite3_column_int64sqlite3_api->column_int64(p->stmtLatestChunk, 0); |
| 4174 | rc = sqlite3_stepsqlite3_api->step(p->stmtLatestChunk); |
| 4175 | if (rc != SQLITE_DONE101) { |
| 4176 | vtab_set_error(&p->base, |
| 4177 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4178 | "unknown result code when closing out stmtLatestChunk. " |
| 4179 | "Please file an issue: " REPORT_URL"https://github.com/asg017/sqlite-vec/issues/new", |
| 4180 | p->schemaName, p->shadowChunksName); |
| 4181 | goto cleanup; |
| 4182 | } |
| 4183 | rc = SQLITE_OK0; |
| 4184 | |
| 4185 | cleanup: |
| 4186 | if (p->stmtLatestChunk) { |
| 4187 | sqlite3_resetsqlite3_api->reset(p->stmtLatestChunk); |
| 4188 | sqlite3_clear_bindingssqlite3_api->clear_bindings(p->stmtLatestChunk); |
| 4189 | } |
| 4190 | return rc; |
| 4191 | } |
| 4192 | |
| 4193 | int vec0_rowids_insert_rowid(vec0_vtab *p, i64 rowid) { |
| 4194 | int rc = SQLITE_OK0; |
| 4195 | int entered = 0; |
| 4196 | UNUSED_PARAMETER(entered)(void)(entered); // temporary |
| 4197 | if (!p->stmtRowidsInsertRowid) { |
| 4198 | const char *zSql = |
| 4199 | sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" "(rowid)" |
| 4200 | "VALUES (?);", |
| 4201 | p->schemaName, p->tableName); |
| 4202 | if (!zSql) { |
| 4203 | rc = SQLITE_NOMEM7; |
| 4204 | goto cleanup; |
| 4205 | } |
| 4206 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &p->stmtRowidsInsertRowid, 0); |
| 4207 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 4208 | if (rc != SQLITE_OK0) { |
| 4209 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4210 | "could not initialize 'insert rowids' statement"); |
| 4211 | goto cleanup; |
| 4212 | } |
| 4213 | } |
| 4214 | |
| 4215 | #if SQLITE_THREADSAFE |
| 4216 | if (sqlite3_mutex_entersqlite3_api->mutex_enter) { |
| 4217 | sqlite3_mutex_entersqlite3_api->mutex_enter(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4218 | entered = 1; |
| 4219 | } |
| 4220 | #endif |
| 4221 | sqlite3_bind_int64sqlite3_api->bind_int64(p->stmtRowidsInsertRowid, 1, rowid); |
| 4222 | rc = sqlite3_stepsqlite3_api->step(p->stmtRowidsInsertRowid); |
| 4223 | |
| 4224 | if (rc != SQLITE_DONE101) { |
| 4225 | if (sqlite3_extended_errcodesqlite3_api->extended_errcode(p->db) == SQLITE_CONSTRAINT_PRIMARYKEY(19 | (6<<8))) { |
| 4226 | // IMP: V17090_01160 |
| 4227 | vtab_set_error(&p->base, "UNIQUE constraint failed on %s primary key", |
| 4228 | p->tableName); |
| 4229 | } else { |
| 4230 | // IMP: V04679_21517 |
| 4231 | vtab_set_error(&p->base, |
| 4232 | "Error inserting rowid into rowids shadow table: %s", |
| 4233 | sqlite3_errmsgsqlite3_api->errmsg(sqlite3_db_handlesqlite3_api->db_handle(p->stmtRowidsInsertId))); |
| 4234 | } |
| 4235 | rc = SQLITE_ERROR1; |
| 4236 | goto cleanup; |
| 4237 | } |
| 4238 | |
| 4239 | rc = SQLITE_OK0; |
| 4240 | |
| 4241 | cleanup: |
| 4242 | if (p->stmtRowidsInsertRowid) { |
| 4243 | sqlite3_resetsqlite3_api->reset(p->stmtRowidsInsertRowid); |
| 4244 | sqlite3_clear_bindingssqlite3_api->clear_bindings(p->stmtRowidsInsertRowid); |
| 4245 | } |
| 4246 | |
| 4247 | #if SQLITE_THREADSAFE |
| 4248 | if (sqlite3_mutex_leavesqlite3_api->mutex_leave && entered) { |
| 4249 | sqlite3_mutex_leavesqlite3_api->mutex_leave(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4250 | } |
| 4251 | #endif |
| 4252 | return rc; |
| 4253 | } |
| 4254 | |
| 4255 | int vec0_rowids_insert_id(vec0_vtab *p, sqlite3_value *idValue, i64 *rowid) { |
| 4256 | int rc = SQLITE_OK0; |
| 4257 | int entered = 0; |
| 4258 | UNUSED_PARAMETER(entered)(void)(entered); // temporary |
| 4259 | if (!p->stmtRowidsInsertId) { |
| 4260 | const char *zSql = |
| 4261 | sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" "(id)" |
| 4262 | "VALUES (?);", |
| 4263 | p->schemaName, p->tableName); |
| 4264 | if (!zSql) { |
| 4265 | rc = SQLITE_NOMEM7; |
| 4266 | goto complete; |
| 4267 | } |
| 4268 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &p->stmtRowidsInsertId, 0); |
| 4269 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 4270 | if (rc != SQLITE_OK0) { |
| 4271 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4272 | "could not initialize 'insert rowids id' statement"); |
| 4273 | goto complete; |
| 4274 | } |
| 4275 | } |
| 4276 | |
| 4277 | #if SQLITE_THREADSAFE |
| 4278 | if (sqlite3_mutex_entersqlite3_api->mutex_enter) { |
| 4279 | sqlite3_mutex_entersqlite3_api->mutex_enter(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4280 | entered = 1; |
| 4281 | } |
| 4282 | #endif |
| 4283 | |
| 4284 | if (idValue) { |
| 4285 | sqlite3_bind_valuesqlite3_api->bind_value(p->stmtRowidsInsertId, 1, idValue); |
| 4286 | } |
| 4287 | rc = sqlite3_stepsqlite3_api->step(p->stmtRowidsInsertId); |
| 4288 | |
| 4289 | if (rc != SQLITE_DONE101) { |
| 4290 | if (sqlite3_extended_errcodesqlite3_api->extended_errcode(p->db) == SQLITE_CONSTRAINT_UNIQUE(19 | (8<<8))) { |
| 4291 | // IMP: V20497_04568 |
| 4292 | vtab_set_error(&p->base, "UNIQUE constraint failed on %s primary key", |
| 4293 | p->tableName); |
| 4294 | } else { |
| 4295 | // IMP: V24016_08086 |
| 4296 | // IMP: V15177_32015 |
| 4297 | vtab_set_error(&p->base, |
| 4298 | "Error inserting id into rowids shadow table: %s", |
| 4299 | sqlite3_errmsgsqlite3_api->errmsg(sqlite3_db_handlesqlite3_api->db_handle(p->stmtRowidsInsertId))); |
| 4300 | } |
| 4301 | rc = SQLITE_ERROR1; |
| 4302 | goto complete; |
| 4303 | } |
| 4304 | |
| 4305 | *rowid = sqlite3_last_insert_rowidsqlite3_api->last_insert_rowid(p->db); |
| 4306 | rc = SQLITE_OK0; |
| 4307 | |
| 4308 | complete: |
| 4309 | if (p->stmtRowidsInsertId) { |
| 4310 | sqlite3_resetsqlite3_api->reset(p->stmtRowidsInsertId); |
| 4311 | sqlite3_clear_bindingssqlite3_api->clear_bindings(p->stmtRowidsInsertId); |
| 4312 | } |
| 4313 | |
| 4314 | #if SQLITE_THREADSAFE |
| 4315 | if (sqlite3_mutex_leavesqlite3_api->mutex_leave && entered) { |
| 4316 | sqlite3_mutex_leavesqlite3_api->mutex_leave(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4317 | } |
| 4318 | #endif |
| 4319 | return rc; |
| 4320 | } |
| 4321 | |
| 4322 | int vec0_metadata_chunk_size(vec0_metadata_column_kind kind, int chunk_size) { |
| 4323 | switch(kind) { |
| 4324 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: |
| 4325 | return chunk_size / 8; |
| 4326 | case VEC0_METADATA_COLUMN_KIND_INTEGER: |
| 4327 | return chunk_size * sizeof(i64); |
| 4328 | case VEC0_METADATA_COLUMN_KIND_FLOAT: |
| 4329 | return chunk_size * sizeof(double); |
| 4330 | case VEC0_METADATA_COLUMN_KIND_TEXT: |
| 4331 | return chunk_size * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16; |
| 4332 | } |
| 4333 | return 0; |
| 4334 | } |
| 4335 | |
| 4336 | int vec0_rowids_update_position(vec0_vtab *p, i64 rowid, i64 chunk_rowid, |
| 4337 | i64 chunk_offset) { |
| 4338 | int rc = SQLITE_OK0; |
| 4339 | |
| 4340 | if (!p->stmtRowidsUpdatePosition) { |
| 4341 | const char *zSql = sqlite3_mprintfsqlite3_api->mprintf(" UPDATE " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" |
| 4342 | " SET chunk_id = ?, chunk_offset = ?" |
| 4343 | " WHERE rowid = ?", |
| 4344 | p->schemaName, p->tableName); |
| 4345 | if (!zSql) { |
| 4346 | rc = SQLITE_NOMEM7; |
| 4347 | goto cleanup; |
| 4348 | } |
| 4349 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &p->stmtRowidsUpdatePosition, 0); |
| 4350 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 4351 | if (rc != SQLITE_OK0) { |
| 4352 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4353 | "could not initialize 'update rowids position' statement"); |
| 4354 | goto cleanup; |
| 4355 | } |
| 4356 | } |
| 4357 | |
| 4358 | sqlite3_bind_int64sqlite3_api->bind_int64(p->stmtRowidsUpdatePosition, 1, chunk_rowid); |
| 4359 | sqlite3_bind_int64sqlite3_api->bind_int64(p->stmtRowidsUpdatePosition, 2, chunk_offset); |
| 4360 | sqlite3_bind_int64sqlite3_api->bind_int64(p->stmtRowidsUpdatePosition, 3, rowid); |
| 4361 | |
| 4362 | rc = sqlite3_stepsqlite3_api->step(p->stmtRowidsUpdatePosition); |
| 4363 | if (rc != SQLITE_DONE101) { |
| 4364 | // IMP: V21925_05995 |
| 4365 | vtab_set_error(&p->base, |
| 4366 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 4367 | "could not update rowids position for rowid=%lld, " |
| 4368 | "chunk_rowid=%lld, chunk_offset=%lld", |
| 4369 | rowid, chunk_rowid, chunk_offset); |
| 4370 | rc = SQLITE_ERROR1; |
| 4371 | goto cleanup; |
| 4372 | } |
| 4373 | rc = SQLITE_OK0; |
| 4374 | |
| 4375 | cleanup: |
| 4376 | if (p->stmtRowidsUpdatePosition) { |
| 4377 | sqlite3_resetsqlite3_api->reset(p->stmtRowidsUpdatePosition); |
| 4378 | sqlite3_clear_bindingssqlite3_api->clear_bindings(p->stmtRowidsUpdatePosition); |
| 4379 | } |
| 4380 | |
| 4381 | return rc; |
| 4382 | } |
| 4383 | |
| 4384 | /** |
| 4385 | * @brief Adds a new chunk for the vec0 table, and the corresponding vector |
| 4386 | * chunks. |
| 4387 | * |
| 4388 | * Inserts a new row into the _chunks table, with blank data, and uses that new |
| 4389 | * rowid to insert new blank rows into _vector_chunksXX tables. |
| 4390 | * |
| 4391 | * @param p: vec0 table to add new chunk |
| 4392 | * @param paritionKeyValues: Array of partition key valeus for the new chunk, if available |
| 4393 | * @param chunk_rowid: Output pointer, if not NULL, then will be filled with the |
| 4394 | * new chunk rowid. |
| 4395 | * @return int SQLITE_OK on success, error code otherwise. |
| 4396 | */ |
| 4397 | int vec0_new_chunk(vec0_vtab *p, sqlite3_value ** partitionKeyValues, i64 *chunk_rowid) { |
| 4398 | int rc; |
| 4399 | char *zSql; |
| 4400 | sqlite3_stmt *stmt; |
| 4401 | i64 rowid; |
| 4402 | |
| 4403 | // Step 1: Insert a new row in _chunks, capture that new rowid |
| 4404 | if(p->numPartitionColumns > 0) { |
| 4405 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 4406 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "INSERT INTO " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"", p->schemaName, p->tableName); |
| 4407 | sqlite3_str_appendallsqlite3_api->str_appendall(s, "(size, validity, rowids"); |
| 4408 | for(int i = 0; i < p->numPartitionColumns; i++) { |
| 4409 | sqlite3_str_appendfsqlite3_api->str_appendf(s, ", partition%02d", i); |
| 4410 | } |
| 4411 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ") VALUES (?, ?, ?"); |
| 4412 | for(int i = 0; i < p->numPartitionColumns; i++) { |
| 4413 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ", ?"); |
| 4414 | } |
| 4415 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ")"); |
| 4416 | |
| 4417 | zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 4418 | }else { |
| 4419 | zSql = sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" |
| 4420 | "(size, validity, rowids) " |
| 4421 | "VALUES (?, ?, ?);", |
| 4422 | p->schemaName, p->tableName); |
| 4423 | } |
| 4424 | |
| 4425 | if (!zSql) { |
| 4426 | return SQLITE_NOMEM7; |
| 4427 | } |
| 4428 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 4429 | sqlite3_freesqlite3_api->free(zSql); |
| 4430 | if (rc != SQLITE_OK0) { |
| 4431 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4432 | return rc; |
| 4433 | } |
| 4434 | |
| 4435 | #if SQLITE_THREADSAFE |
| 4436 | if (sqlite3_mutex_entersqlite3_api->mutex_enter) { |
| 4437 | sqlite3_mutex_entersqlite3_api->mutex_enter(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4438 | } |
| 4439 | #endif |
| 4440 | |
| 4441 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, p->chunk_size); // size |
| 4442 | sqlite3_bind_zeroblobsqlite3_api->bind_zeroblob(stmt, 2, p->chunk_size / CHAR_BIT8); // validity bitmap |
| 4443 | sqlite3_bind_zeroblobsqlite3_api->bind_zeroblob(stmt, 3, p->chunk_size * sizeof(i64)); // rowids |
| 4444 | |
| 4445 | for(int i = 0; i < p->numPartitionColumns; i++) { |
| 4446 | sqlite3_bind_valuesqlite3_api->bind_value(stmt, 4 + i, partitionKeyValues[i]); |
| 4447 | } |
| 4448 | |
| 4449 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 4450 | int failed = rc != SQLITE_DONE101; |
| 4451 | rowid = sqlite3_last_insert_rowidsqlite3_api->last_insert_rowid(p->db); |
| 4452 | #if SQLITE_THREADSAFE |
| 4453 | if (sqlite3_mutex_leavesqlite3_api->mutex_leave) { |
| 4454 | sqlite3_mutex_leavesqlite3_api->mutex_leave(sqlite3_db_mutexsqlite3_api->db_mutex(p->db)); |
| 4455 | } |
| 4456 | #endif |
| 4457 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4458 | if (failed) { |
| 4459 | return SQLITE_ERROR1; |
| 4460 | } |
| 4461 | |
| 4462 | // Step 2: Create new vector chunks for each vector column, with |
| 4463 | // that new chunk_rowid. |
| 4464 | |
| 4465 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 4466 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_VECTOR) { |
| 4467 | continue; |
| 4468 | } |
| 4469 | int vector_column_idx = p->user_column_idxs[i]; |
| 4470 | i64 vectorsSize = |
| 4471 | p->chunk_size * vector_column_byte_size(p->vector_columns[vector_column_idx]); |
| 4472 | |
| 4473 | zSql = sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_VECTOR_N_NAME"\"%w\".\"%w_vector_chunks%02d\"" |
| 4474 | "(rowid, vectors)" |
| 4475 | "VALUES (?, ?)", |
| 4476 | p->schemaName, p->tableName, vector_column_idx); |
| 4477 | if (!zSql) { |
| 4478 | return SQLITE_NOMEM7; |
| 4479 | } |
| 4480 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 4481 | sqlite3_freesqlite3_api->free(zSql); |
| 4482 | |
| 4483 | if (rc != SQLITE_OK0) { |
| 4484 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4485 | return rc; |
| 4486 | } |
| 4487 | |
| 4488 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 4489 | sqlite3_bind_zeroblob64sqlite3_api->bind_zeroblob64(stmt, 2, vectorsSize); |
| 4490 | |
| 4491 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 4492 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4493 | if (rc != SQLITE_DONE101) { |
| 4494 | return rc; |
| 4495 | } |
| 4496 | } |
| 4497 | |
| 4498 | // Step 3: Create new metadata chunks for each metadata column |
| 4499 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 4500 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_METADATA) { |
| 4501 | continue; |
| 4502 | } |
| 4503 | int metadata_column_idx = p->user_column_idxs[i]; |
| 4504 | zSql = sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_METADATA_N_NAME"\"%w\".\"%w_metadatachunks%02d\"" |
| 4505 | "(rowid, data)" |
| 4506 | "VALUES (?, ?)", |
| 4507 | p->schemaName, p->tableName, metadata_column_idx); |
| 4508 | if (!zSql) { |
| 4509 | return SQLITE_NOMEM7; |
| 4510 | } |
| 4511 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 4512 | sqlite3_freesqlite3_api->free(zSql); |
| 4513 | |
| 4514 | if (rc != SQLITE_OK0) { |
| 4515 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4516 | return rc; |
| 4517 | } |
| 4518 | |
| 4519 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 4520 | sqlite3_bind_zeroblob64sqlite3_api->bind_zeroblob64(stmt, 2, vec0_metadata_chunk_size(p->metadata_columns[metadata_column_idx].kind, p->chunk_size)); |
| 4521 | |
| 4522 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 4523 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4524 | if (rc != SQLITE_DONE101) { |
| 4525 | return rc; |
| 4526 | } |
| 4527 | } |
| 4528 | |
| 4529 | |
| 4530 | if (chunk_rowid) { |
| 4531 | *chunk_rowid = rowid; |
| 4532 | } |
| 4533 | |
| 4534 | return SQLITE_OK0; |
| 4535 | } |
| 4536 | |
| 4537 | struct vec0_query_fullscan_data { |
| 4538 | sqlite3_stmt *rowids_stmt; |
| 4539 | i8 done; |
| 4540 | }; |
| 4541 | void vec0_query_fullscan_data_clear( |
| 4542 | struct vec0_query_fullscan_data *fullscan_data) { |
| 4543 | if (!fullscan_data) |
| 4544 | return; |
| 4545 | |
| 4546 | if (fullscan_data->rowids_stmt) { |
| 4547 | sqlite3_finalizesqlite3_api->finalize(fullscan_data->rowids_stmt); |
| 4548 | fullscan_data->rowids_stmt = NULL((void*)0); |
| 4549 | } |
| 4550 | } |
| 4551 | |
| 4552 | struct vec0_query_knn_data { |
| 4553 | i64 k; |
| 4554 | i64 k_used; |
| 4555 | // Array of rowids of size k. Must be freed with sqlite3_free(). |
| 4556 | i64 *rowids; |
| 4557 | // Array of distances of size k. Must be freed with sqlite3_free(). |
| 4558 | f32 *distances; |
| 4559 | i64 current_idx; |
| 4560 | }; |
| 4561 | void vec0_query_knn_data_clear(struct vec0_query_knn_data *knn_data) { |
| 4562 | if (!knn_data) |
| 4563 | return; |
| 4564 | |
| 4565 | if (knn_data->rowids) { |
| 4566 | sqlite3_freesqlite3_api->free(knn_data->rowids); |
| 4567 | knn_data->rowids = NULL((void*)0); |
| 4568 | } |
| 4569 | if (knn_data->distances) { |
| 4570 | sqlite3_freesqlite3_api->free(knn_data->distances); |
| 4571 | knn_data->distances = NULL((void*)0); |
| 4572 | } |
| 4573 | } |
| 4574 | |
| 4575 | struct vec0_query_point_data { |
| 4576 | i64 rowid; |
| 4577 | void *vectors[VEC0_MAX_VECTOR_COLUMNS16]; |
| 4578 | int done; |
| 4579 | }; |
| 4580 | void vec0_query_point_data_clear(struct vec0_query_point_data *point_data) { |
| 4581 | if (!point_data) |
| 4582 | return; |
| 4583 | for (int i = 0; i < VEC0_MAX_VECTOR_COLUMNS16; i++) { |
| 4584 | sqlite3_freesqlite3_api->free(point_data->vectors[i]); |
| 4585 | point_data->vectors[i] = NULL((void*)0); |
| 4586 | } |
| 4587 | } |
| 4588 | |
| 4589 | typedef enum { |
| 4590 | // If any values are updated, please update the ARCHITECTURE.md docs accordingly! |
| 4591 | |
| 4592 | VEC0_QUERY_PLAN_FULLSCAN = '1', |
| 4593 | VEC0_QUERY_PLAN_POINT = '2', |
| 4594 | VEC0_QUERY_PLAN_KNN = '3', |
| 4595 | } vec0_query_plan; |
| 4596 | |
| 4597 | typedef struct vec0_cursor vec0_cursor; |
| 4598 | struct vec0_cursor { |
| 4599 | sqlite3_vtab_cursor base; |
| 4600 | |
| 4601 | vec0_query_plan query_plan; |
| 4602 | struct vec0_query_fullscan_data *fullscan_data; |
| 4603 | struct vec0_query_knn_data *knn_data; |
| 4604 | struct vec0_query_point_data *point_data; |
| 4605 | }; |
| 4606 | |
| 4607 | void vec0_cursor_clear(vec0_cursor *pCur) { |
| 4608 | if (pCur->fullscan_data) { |
| 4609 | vec0_query_fullscan_data_clear(pCur->fullscan_data); |
| 4610 | sqlite3_freesqlite3_api->free(pCur->fullscan_data); |
| 4611 | pCur->fullscan_data = NULL((void*)0); |
| 4612 | } |
| 4613 | if (pCur->knn_data) { |
| 4614 | vec0_query_knn_data_clear(pCur->knn_data); |
| 4615 | sqlite3_freesqlite3_api->free(pCur->knn_data); |
| 4616 | pCur->knn_data = NULL((void*)0); |
| 4617 | } |
| 4618 | if (pCur->point_data) { |
| 4619 | vec0_query_point_data_clear(pCur->point_data); |
| 4620 | sqlite3_freesqlite3_api->free(pCur->point_data); |
| 4621 | pCur->point_data = NULL((void*)0); |
| 4622 | } |
| 4623 | } |
| 4624 | |
| 4625 | #define VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "vec0 constructor error: " |
| 4626 | static int vec0_init(sqlite3 *db, void *pAux, int argc, const char *const *argv, |
| 4627 | sqlite3_vtab **ppVtab, char **pzErr, bool_Bool isCreate) { |
| 4628 | UNUSED_PARAMETER(pAux)(void)(pAux); |
| 4629 | vec0_vtab *pNew; |
| 4630 | int rc; |
| 4631 | const char *zSql; |
| 4632 | |
| 4633 | pNew = sqlite3_mallocsqlite3_api->malloc(sizeof(*pNew)); |
| 4634 | if (pNew == 0) |
| 4635 | return SQLITE_NOMEM7; |
| 4636 | memset(pNew, 0, sizeof(*pNew)); |
| 4637 | |
| 4638 | // Declared chunk_size=N for entire table. |
| 4639 | // -1 to use the defualt, otherwise will get re-assigned on `chunk_size=N` |
| 4640 | // option |
| 4641 | int chunk_size = -1; |
| 4642 | int numVectorColumns = 0; |
| 4643 | int numPartitionColumns = 0; |
| 4644 | int numAuxiliaryColumns = 0; |
| 4645 | int numMetadataColumns = 0; |
| 4646 | int user_column_idx = 0; |
| 4647 | |
| 4648 | // track if a "primary key" column is defined |
| 4649 | char *pkColumnName = NULL((void*)0); |
| 4650 | int pkColumnNameLength; |
| 4651 | int pkColumnType = SQLITE_INTEGER1; |
| 4652 | |
| 4653 | for (int i = 3; i < argc; i++) { |
| 4654 | struct VectorColumnDefinition vecColumn; |
| 4655 | struct Vec0PartitionColumnDefinition partitionColumn; |
| 4656 | struct Vec0AuxiliaryColumnDefinition auxColumn; |
| 4657 | struct Vec0MetadataColumnDefinition metadataColumn; |
| 4658 | char *cName = NULL((void*)0); |
| 4659 | int cNameLength; |
| 4660 | int cType; |
| 4661 | |
| 4662 | // Scenario #1: Constructor argument is a vector column definition, ie `foo float[1024]` |
| 4663 | rc = vec0_parse_vector_column(argv[i], strlen(argv[i]), &vecColumn); |
| 4664 | if (rc == SQLITE_ERROR1) { |
| 4665 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4666 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "could not parse vector column '%s'", argv[i]); |
| 4667 | goto error; |
| 4668 | } |
| 4669 | if (rc == SQLITE_OK0) { |
| 4670 | if (numVectorColumns >= VEC0_MAX_VECTOR_COLUMNS16) { |
| 4671 | sqlite3_freesqlite3_api->free(vecColumn.name); |
| 4672 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4673 | "Too many provided vector columns, maximum %d", |
| 4674 | VEC0_MAX_VECTOR_COLUMNS16); |
| 4675 | goto error; |
| 4676 | } |
| 4677 | |
| 4678 | if (vecColumn.dimensions > SQLITE_VEC_VEC0_MAX_DIMENSIONS8192) { |
| 4679 | sqlite3_freesqlite3_api->free(vecColumn.name); |
| 4680 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4681 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4682 | "Dimension on vector column too large, provided %lld, maximum %lld", |
| 4683 | (i64)vecColumn.dimensions, SQLITE_VEC_VEC0_MAX_DIMENSIONS8192); |
| 4684 | goto error; |
| 4685 | } |
| 4686 | pNew->user_column_kinds[user_column_idx] = SQLITE_VEC0_USER_COLUMN_KIND_VECTOR; |
| 4687 | pNew->user_column_idxs[user_column_idx] = numVectorColumns; |
| 4688 | memcpy(&pNew->vector_columns[numVectorColumns], &vecColumn, sizeof(vecColumn)); |
| 4689 | numVectorColumns++; |
| 4690 | user_column_idx++; |
| 4691 | |
| 4692 | continue; |
| 4693 | } |
| 4694 | |
| 4695 | // Scenario #2: Constructor argument is a partition key column definition, ie `user_id text partition key` |
| 4696 | rc = vec0_parse_partition_key_definition(argv[i], strlen(argv[i]), &cName, |
| 4697 | &cNameLength, &cType); |
| 4698 | if (rc == SQLITE_OK0) { |
| 4699 | if (numPartitionColumns >= VEC0_MAX_PARTITION_COLUMNS4) { |
| 4700 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4701 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4702 | "More than %d partition key columns were provided", |
| 4703 | VEC0_MAX_PARTITION_COLUMNS4); |
| 4704 | goto error; |
| 4705 | } |
| 4706 | partitionColumn.type = cType; |
| 4707 | partitionColumn.name_length = cNameLength; |
| 4708 | partitionColumn.name = sqlite3_mprintfsqlite3_api->mprintf("%.*s", cNameLength, cName); |
| 4709 | if(!partitionColumn.name) { |
| 4710 | rc = SQLITE_NOMEM7; |
| 4711 | goto error; |
| 4712 | } |
| 4713 | |
| 4714 | pNew->user_column_kinds[user_column_idx] = SQLITE_VEC0_USER_COLUMN_KIND_PARTITION; |
| 4715 | pNew->user_column_idxs[user_column_idx] = numPartitionColumns; |
| 4716 | memcpy(&pNew->paritition_columns[numPartitionColumns], &partitionColumn, sizeof(partitionColumn)); |
| 4717 | numPartitionColumns++; |
| 4718 | user_column_idx++; |
| 4719 | continue; |
| 4720 | } |
| 4721 | |
| 4722 | // Scenario #3: Constructor argument is a primary key column definition, ie `article_id text primary key` |
| 4723 | rc = vec0_parse_primary_key_definition(argv[i], strlen(argv[i]), &cName, |
| 4724 | &cNameLength, &cType); |
| 4725 | if (rc == SQLITE_OK0) { |
| 4726 | if (pkColumnName) { |
| 4727 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4728 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4729 | "More than one primary key definition was provided, vec0 only " |
| 4730 | "suports a single primary key column", |
| 4731 | argv[i]); |
| 4732 | goto error; |
| 4733 | } |
| 4734 | pkColumnName = cName; |
| 4735 | pkColumnNameLength = cNameLength; |
| 4736 | pkColumnType = cType; |
| 4737 | continue; |
| 4738 | } |
| 4739 | |
| 4740 | // Scenario #4: Constructor argument is a auxiliary column definition, ie `+contents text` |
| 4741 | rc = vec0_parse_auxiliary_column_definition(argv[i], strlen(argv[i]), &cName, |
| 4742 | &cNameLength, &cType); |
| 4743 | if(rc == SQLITE_OK0) { |
| 4744 | if (numAuxiliaryColumns >= VEC0_MAX_AUXILIARY_COLUMNS16) { |
| 4745 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4746 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4747 | "More than %d auxiliary columns were provided", |
| 4748 | VEC0_MAX_AUXILIARY_COLUMNS16); |
| 4749 | goto error; |
| 4750 | } |
| 4751 | auxColumn.type = cType; |
| 4752 | auxColumn.name_length = cNameLength; |
| 4753 | auxColumn.name = sqlite3_mprintfsqlite3_api->mprintf("%.*s", cNameLength, cName); |
| 4754 | if(!auxColumn.name) { |
| 4755 | rc = SQLITE_NOMEM7; |
| 4756 | goto error; |
| 4757 | } |
| 4758 | |
| 4759 | pNew->user_column_kinds[user_column_idx] = SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY; |
| 4760 | pNew->user_column_idxs[user_column_idx] = numAuxiliaryColumns; |
| 4761 | memcpy(&pNew->auxiliary_columns[numAuxiliaryColumns], &auxColumn, sizeof(auxColumn)); |
| 4762 | numAuxiliaryColumns++; |
| 4763 | user_column_idx++; |
| 4764 | continue; |
| 4765 | } |
| 4766 | |
| 4767 | vec0_metadata_column_kind kind; |
| 4768 | rc = vec0_parse_metadata_column_definition(argv[i], strlen(argv[i]), &cName, |
| 4769 | &cNameLength, &kind); |
| 4770 | if(rc == SQLITE_OK0) { |
| 4771 | if (numMetadataColumns >= VEC0_MAX_METADATA_COLUMNS16) { |
| 4772 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4773 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4774 | "More than %d metadata columns were provided", |
| 4775 | VEC0_MAX_METADATA_COLUMNS16); |
| 4776 | goto error; |
| 4777 | } |
| 4778 | metadataColumn.kind = kind; |
| 4779 | metadataColumn.name_length = cNameLength; |
| 4780 | metadataColumn.name = sqlite3_mprintfsqlite3_api->mprintf("%.*s", cNameLength, cName); |
| 4781 | if(!metadataColumn.name) { |
| 4782 | rc = SQLITE_NOMEM7; |
| 4783 | goto error; |
| 4784 | } |
| 4785 | |
| 4786 | pNew->user_column_kinds[user_column_idx] = SQLITE_VEC0_USER_COLUMN_KIND_METADATA; |
| 4787 | pNew->user_column_idxs[user_column_idx] = numMetadataColumns; |
| 4788 | memcpy(&pNew->metadata_columns[numMetadataColumns], &metadataColumn, sizeof(metadataColumn)); |
| 4789 | numMetadataColumns++; |
| 4790 | user_column_idx++; |
| 4791 | continue; |
| 4792 | } |
| 4793 | |
| 4794 | // Scenario #4: Constructor argument is a table-level option, ie `chunk_size` |
| 4795 | |
| 4796 | char *key; |
| 4797 | char *value; |
| 4798 | int keyLength, valueLength; |
| 4799 | rc = vec0_parse_table_option(argv[i], strlen(argv[i]), &key, &keyLength, |
| 4800 | &value, &valueLength); |
| 4801 | if (rc == SQLITE_ERROR1) { |
| 4802 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4803 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "could not parse table option '%s'", argv[i]); |
| 4804 | goto error; |
| 4805 | } |
| 4806 | if (rc == SQLITE_OK0) { |
| 4807 | if (sqlite3_strnicmpsqlite3_api->strnicmp(key, "chunk_size", keyLength) == 0) { |
| 4808 | chunk_size = atoi(value); |
| 4809 | if (chunk_size <= 0) { |
| 4810 | // IMP: V01931_18769 |
| 4811 | *pzErr = |
| 4812 | sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4813 | "chunk_size must be a non-zero positive integer"); |
| 4814 | goto error; |
| 4815 | } |
| 4816 | if ((chunk_size % 8) != 0) { |
| 4817 | // IMP: V14110_30948 |
| 4818 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4819 | "chunk_size must be divisible by 8"); |
| 4820 | goto error; |
| 4821 | } |
| 4822 | #define SQLITE_VEC_CHUNK_SIZE_MAX4096 4096 |
| 4823 | if (chunk_size > SQLITE_VEC_CHUNK_SIZE_MAX4096) { |
| 4824 | *pzErr = |
| 4825 | sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "chunk_size too large"); |
| 4826 | goto error; |
| 4827 | } |
| 4828 | } else { |
| 4829 | // IMP: V27642_11712 |
| 4830 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 4831 | VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "Unknown table option: %.*s", keyLength, key); |
| 4832 | goto error; |
| 4833 | } |
| 4834 | continue; |
| 4835 | } |
| 4836 | |
| 4837 | // Scenario #5: Unknown constructor argument |
| 4838 | *pzErr = |
| 4839 | sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " "Could not parse '%s'", argv[i]); |
| 4840 | goto error; |
| 4841 | } |
| 4842 | |
| 4843 | if (chunk_size < 0) { |
| 4844 | chunk_size = 1024; |
| 4845 | } |
| 4846 | |
| 4847 | if (numVectorColumns <= 0) { |
| 4848 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4849 | "At least one vector column is required"); |
| 4850 | goto error; |
| 4851 | } |
| 4852 | |
| 4853 | sqlite3_str *createStr = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 4854 | sqlite3_str_appendallsqlite3_api->str_appendall(createStr, "CREATE TABLE x("); |
| 4855 | if (pkColumnName) { |
| 4856 | sqlite3_str_appendfsqlite3_api->str_appendf(createStr, "\"%.*w\" primary key, ", pkColumnNameLength, |
| 4857 | pkColumnName); |
| 4858 | } else { |
| 4859 | sqlite3_str_appendallsqlite3_api->str_appendall(createStr, "rowid, "); |
| 4860 | } |
| 4861 | for (int i = 0; i < numVectorColumns + numPartitionColumns + numAuxiliaryColumns + numMetadataColumns; i++) { |
| 4862 | switch(pNew->user_column_kinds[i]) { |
| 4863 | case SQLITE_VEC0_USER_COLUMN_KIND_VECTOR: { |
| 4864 | int vector_idx = pNew->user_column_idxs[i]; |
| 4865 | sqlite3_str_appendfsqlite3_api->str_appendf(createStr, "\"%.*w\", ", |
| 4866 | pNew->vector_columns[vector_idx].name_length, |
| 4867 | pNew->vector_columns[vector_idx].name); |
| 4868 | break; |
| 4869 | } |
| 4870 | case SQLITE_VEC0_USER_COLUMN_KIND_PARTITION: { |
| 4871 | int partition_idx = pNew->user_column_idxs[i]; |
| 4872 | sqlite3_str_appendfsqlite3_api->str_appendf(createStr, "\"%.*w\", ", |
| 4873 | pNew->paritition_columns[partition_idx].name_length, |
| 4874 | pNew->paritition_columns[partition_idx].name); |
| 4875 | break; |
| 4876 | } |
| 4877 | case SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY: { |
| 4878 | int auxiliary_idx = pNew->user_column_idxs[i]; |
| 4879 | sqlite3_str_appendfsqlite3_api->str_appendf(createStr, "\"%.*w\", ", |
| 4880 | pNew->auxiliary_columns[auxiliary_idx].name_length, |
| 4881 | pNew->auxiliary_columns[auxiliary_idx].name); |
| 4882 | break; |
| 4883 | } |
| 4884 | case SQLITE_VEC0_USER_COLUMN_KIND_METADATA: { |
| 4885 | int metadata_idx = pNew->user_column_idxs[i]; |
| 4886 | sqlite3_str_appendfsqlite3_api->str_appendf(createStr, "\"%.*w\", ", |
| 4887 | pNew->metadata_columns[metadata_idx].name_length, |
| 4888 | pNew->metadata_columns[metadata_idx].name); |
| 4889 | break; |
| 4890 | } |
| 4891 | } |
| 4892 | |
| 4893 | } |
| 4894 | sqlite3_str_appendallsqlite3_api->str_appendall(createStr, " distance hidden, k hidden) "); |
| 4895 | if (pkColumnName) { |
| 4896 | sqlite3_str_appendallsqlite3_api->str_appendall(createStr, "without rowid "); |
| 4897 | } |
| 4898 | zSql = sqlite3_str_finishsqlite3_api->str_finish(createStr); |
| 4899 | if (!zSql) { |
| 4900 | goto error; |
| 4901 | } |
| 4902 | rc = sqlite3_declare_vtabsqlite3_api->declare_vtab(db, zSql); |
| 4903 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 4904 | if (rc != SQLITE_OK0) { |
| 4905 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf(VEC_CONSTRUCTOR_ERROR"vec0 constructor error: " |
| 4906 | "could not declare virtual table, '%s'", |
| 4907 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 4908 | goto error; |
| 4909 | } |
| 4910 | |
| 4911 | const char *schemaName = argv[1]; |
| 4912 | const char *tableName = argv[2]; |
| 4913 | |
| 4914 | pNew->db = db; |
| 4915 | pNew->pkIsText = pkColumnType == SQLITE_TEXT3; |
| 4916 | pNew->schemaName = sqlite3_mprintfsqlite3_api->mprintf("%s", schemaName); |
| 4917 | if (!pNew->schemaName) { |
| 4918 | goto error; |
| 4919 | } |
| 4920 | pNew->tableName = sqlite3_mprintfsqlite3_api->mprintf("%s", tableName); |
| 4921 | if (!pNew->tableName) { |
| 4922 | goto error; |
| 4923 | } |
| 4924 | pNew->shadowRowidsName = sqlite3_mprintfsqlite3_api->mprintf("%s_rowids", tableName); |
| 4925 | if (!pNew->shadowRowidsName) { |
| 4926 | goto error; |
| 4927 | } |
| 4928 | pNew->shadowChunksName = sqlite3_mprintfsqlite3_api->mprintf("%s_chunks", tableName); |
| 4929 | if (!pNew->shadowChunksName) { |
| 4930 | goto error; |
| 4931 | } |
| 4932 | pNew->numVectorColumns = numVectorColumns; |
| 4933 | pNew->numPartitionColumns = numPartitionColumns; |
| 4934 | pNew->numAuxiliaryColumns = numAuxiliaryColumns; |
| 4935 | pNew->numMetadataColumns = numMetadataColumns; |
| 4936 | |
| 4937 | for (int i = 0; i < pNew->numVectorColumns; i++) { |
| 4938 | pNew->shadowVectorChunksNames[i] = |
| 4939 | sqlite3_mprintfsqlite3_api->mprintf("%s_vector_chunks%02d", tableName, i); |
| 4940 | if (!pNew->shadowVectorChunksNames[i]) { |
| 4941 | goto error; |
| 4942 | } |
| 4943 | } |
| 4944 | for (int i = 0; i < pNew->numMetadataColumns; i++) { |
| 4945 | pNew->shadowMetadataChunksNames[i] = |
| 4946 | sqlite3_mprintfsqlite3_api->mprintf("%s_metadatachunks%02d", tableName, i); |
| 4947 | if (!pNew->shadowMetadataChunksNames[i]) { |
| 4948 | goto error; |
| 4949 | } |
| 4950 | } |
| 4951 | pNew->chunk_size = chunk_size; |
| 4952 | |
| 4953 | // if xCreate, then create the necessary shadow tables |
| 4954 | if (isCreate) { |
| 4955 | sqlite3_stmt *stmt; |
| 4956 | int rc; |
| 4957 | |
| 4958 | char * zCreateInfo = sqlite3_mprintfsqlite3_api->mprintf("CREATE TABLE "VEC0_SHADOW_INFO_NAME"\"%w\".\"%w_info\"" " (key text primary key, value any)", pNew->schemaName, pNew->tableName); |
| 4959 | if(!zCreateInfo) { |
| 4960 | goto error; |
| 4961 | } |
| 4962 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zCreateInfo, -1, &stmt, NULL((void*)0)); |
| 4963 | |
| 4964 | sqlite3_freesqlite3_api->free((void *) zCreateInfo); |
| 4965 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 4966 | // TODO(IMP) |
| 4967 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4968 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Could not create '_info' shadow table: %s", |
| 4969 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 4970 | goto error; |
| 4971 | } |
| 4972 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4973 | |
| 4974 | char * zSeedInfo = sqlite3_mprintfsqlite3_api->mprintf( |
| 4975 | "INSERT INTO "VEC0_SHADOW_INFO_NAME"\"%w\".\"%w_info\"" "(key, value) VALUES " |
| 4976 | "(?1, ?2), (?3, ?4), (?5, ?6), (?7, ?8) ", |
| 4977 | pNew->schemaName, pNew->tableName |
| 4978 | ); |
| 4979 | if(!zSeedInfo) { |
| 4980 | goto error; |
| 4981 | } |
| 4982 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zSeedInfo, -1, &stmt, NULL((void*)0)); |
| 4983 | sqlite3_freesqlite3_api->free((void *) zSeedInfo); |
| 4984 | if (rc != SQLITE_OK0) { |
| 4985 | // TODO(IMP) |
| 4986 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 4987 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Could not seed '_info' shadow table: %s", |
| 4988 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 4989 | goto error; |
| 4990 | } |
| 4991 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 1, "CREATE_VERSION", -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 4992 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 2, SQLITE_VEC_VERSION"v0.1.7-alpha.2", -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 4993 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 3, "CREATE_VERSION_MAJOR", -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 4994 | sqlite3_bind_intsqlite3_api->bind_int(stmt, 4, SQLITE_VEC_VERSION_MAJOR0); |
| 4995 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 5, "CREATE_VERSION_MINOR", -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 4996 | sqlite3_bind_intsqlite3_api->bind_int(stmt, 6, SQLITE_VEC_VERSION_MINOR1); |
| 4997 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 7, "CREATE_VERSION_PATCH", -1, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 4998 | sqlite3_bind_intsqlite3_api->bind_int(stmt, 8, SQLITE_VEC_VERSION_PATCH7); |
| 4999 | |
| 5000 | if(sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101) { |
| 5001 | // TODO(IMP) |
| 5002 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5003 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Could not seed '_info' shadow table: %s", |
| 5004 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5005 | goto error; |
| 5006 | } |
| 5007 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5008 | |
| 5009 | |
| 5010 | |
| 5011 | // create the _chunks shadow table |
| 5012 | char *zCreateShadowChunks = NULL((void*)0); |
| 5013 | if(pNew->numPartitionColumns) { |
| 5014 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 5015 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "CREATE TABLE " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"" "(", pNew->schemaName, pNew->tableName); |
| 5016 | sqlite3_str_appendallsqlite3_api->str_appendall(s, "chunk_id INTEGER PRIMARY KEY AUTOINCREMENT," "size INTEGER NOT NULL,"); |
| 5017 | sqlite3_str_appendallsqlite3_api->str_appendall(s, "sequence_id integer,"); |
| 5018 | for(int i = 0; i < pNew->numPartitionColumns;i++) { |
| 5019 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "partition%02d,", i); |
| 5020 | } |
| 5021 | sqlite3_str_appendallsqlite3_api->str_appendall(s, "validity BLOB NOT NULL, rowids BLOB NOT NULL);"); |
| 5022 | zCreateShadowChunks = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 5023 | }else { |
| 5024 | zCreateShadowChunks = sqlite3_mprintfsqlite3_api->mprintf(VEC0_SHADOW_CHUNKS_CREATE"CREATE TABLE " "\"%w\".\"%w_chunks\"" "(" "chunk_id INTEGER PRIMARY KEY AUTOINCREMENT," "size INTEGER NOT NULL," "validity BLOB NOT NULL," "rowids BLOB NOT NULL" ");", |
| 5025 | pNew->schemaName, pNew->tableName); |
| 5026 | } |
| 5027 | if (!zCreateShadowChunks) { |
| 5028 | goto error; |
| 5029 | } |
| 5030 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zCreateShadowChunks, -1, &stmt, 0); |
| 5031 | sqlite3_freesqlite3_api->free((void *)zCreateShadowChunks); |
| 5032 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5033 | // IMP: V17740_01811 |
| 5034 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5035 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Could not create '_chunks' shadow table: %s", |
| 5036 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5037 | goto error; |
| 5038 | } |
| 5039 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5040 | |
| 5041 | // create the _rowids shadow table |
| 5042 | char *zCreateShadowRowids; |
| 5043 | if (pNew->pkIsText) { |
| 5044 | // adds a "text unique not null" constraint to the id column |
| 5045 | zCreateShadowRowids = sqlite3_mprintfsqlite3_api->mprintf(VEC0_SHADOW_ROWIDS_CREATE_PK_TEXT"CREATE TABLE " "\"%w\".\"%w_rowids\"" "(" "rowid INTEGER PRIMARY KEY AUTOINCREMENT," "id TEXT UNIQUE NOT NULL," "chunk_id INTEGER," "chunk_offset INTEGER" ");", |
| 5046 | pNew->schemaName, pNew->tableName); |
| 5047 | } else { |
| 5048 | zCreateShadowRowids = sqlite3_mprintfsqlite3_api->mprintf(VEC0_SHADOW_ROWIDS_CREATE_BASIC"CREATE TABLE " "\"%w\".\"%w_rowids\"" "(" "rowid INTEGER PRIMARY KEY AUTOINCREMENT," "id," "chunk_id INTEGER," "chunk_offset INTEGER" ");", |
| 5049 | pNew->schemaName, pNew->tableName); |
| 5050 | } |
| 5051 | if (!zCreateShadowRowids) { |
| 5052 | goto error; |
| 5053 | } |
| 5054 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zCreateShadowRowids, -1, &stmt, 0); |
| 5055 | sqlite3_freesqlite3_api->free((void *)zCreateShadowRowids); |
| 5056 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5057 | // IMP: V11631_28470 |
| 5058 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5059 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf("Could not create '_rowids' shadow table: %s", |
| 5060 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5061 | goto error; |
| 5062 | } |
| 5063 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5064 | |
| 5065 | for (int i = 0; i < pNew->numVectorColumns; i++) { |
| 5066 | char *zSql = sqlite3_mprintfsqlite3_api->mprintf(VEC0_SHADOW_VECTOR_N_CREATE"CREATE TABLE " "\"%w\".\"%w_vector_chunks%02d\"" "(" "rowid PRIMARY KEY," "vectors BLOB NOT NULL" ");", |
| 5067 | pNew->schemaName, pNew->tableName, i); |
| 5068 | if (!zSql) { |
| 5069 | goto error; |
| 5070 | } |
| 5071 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zSql, -1, &stmt, 0); |
| 5072 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5073 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5074 | // IMP: V25919_09989 |
| 5075 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5076 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 5077 | "Could not create '_vector_chunks%02d' shadow table: %s", i, |
| 5078 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5079 | goto error; |
| 5080 | } |
| 5081 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5082 | } |
| 5083 | |
| 5084 | for (int i = 0; i < pNew->numMetadataColumns; i++) { |
| 5085 | char *zSql = sqlite3_mprintfsqlite3_api->mprintf("CREATE TABLE " VEC0_SHADOW_METADATA_N_NAME"\"%w\".\"%w_metadatachunks%02d\"" "(rowid PRIMARY KEY, data BLOB NOT NULL);", |
| 5086 | pNew->schemaName, pNew->tableName, i); |
| 5087 | if (!zSql) { |
| 5088 | goto error; |
| 5089 | } |
| 5090 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zSql, -1, &stmt, 0); |
| 5091 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5092 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5093 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5094 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 5095 | "Could not create '_metata_chunks%02d' shadow table: %s", i, |
| 5096 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5097 | goto error; |
| 5098 | } |
| 5099 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5100 | |
| 5101 | if(pNew->metadata_columns[i].kind == VEC0_METADATA_COLUMN_KIND_TEXT) { |
| 5102 | char *zSql = sqlite3_mprintfsqlite3_api->mprintf("CREATE TABLE " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" "(rowid PRIMARY KEY, data TEXT);", |
| 5103 | pNew->schemaName, pNew->tableName, i); |
| 5104 | if (!zSql) { |
| 5105 | goto error; |
| 5106 | } |
| 5107 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zSql, -1, &stmt, 0); |
| 5108 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5109 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5110 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5111 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 5112 | "Could not create '_metadatatext%02d' shadow table: %s", i, |
| 5113 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5114 | goto error; |
| 5115 | } |
| 5116 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5117 | |
| 5118 | } |
| 5119 | } |
| 5120 | |
| 5121 | if(pNew->numAuxiliaryColumns > 0) { |
| 5122 | sqlite3_stmt * stmt; |
| 5123 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 5124 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "CREATE TABLE " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" "( rowid integer PRIMARY KEY ", pNew->schemaName, pNew->tableName); |
| 5125 | for(int i = 0; i < pNew->numAuxiliaryColumns; i++) { |
| 5126 | sqlite3_str_appendfsqlite3_api->str_appendf(s, ", value%02d", i); |
| 5127 | } |
| 5128 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ")"); |
| 5129 | char *zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 5130 | if(!zSql) { |
| 5131 | goto error; |
| 5132 | } |
| 5133 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(db, zSql, -1, &stmt, NULL((void*)0)); |
| 5134 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5135 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5136 | *pzErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 5137 | "Could not create auxiliary shadow table: %s", |
| 5138 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 5139 | |
| 5140 | goto error; |
| 5141 | } |
| 5142 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5143 | } |
| 5144 | } |
| 5145 | |
| 5146 | *ppVtab = (sqlite3_vtab *)pNew; |
| 5147 | return SQLITE_OK0; |
| 5148 | |
| 5149 | error: |
| 5150 | vec0_free(pNew); |
| 5151 | return SQLITE_ERROR1; |
| 5152 | } |
| 5153 | |
| 5154 | static int vec0Create(sqlite3 *db, void *pAux, int argc, |
| 5155 | const char *const *argv, sqlite3_vtab **ppVtab, |
| 5156 | char **pzErr) { |
| 5157 | return vec0_init(db, pAux, argc, argv, ppVtab, pzErr, true1); |
| 5158 | } |
| 5159 | static int vec0Connect(sqlite3 *db, void *pAux, int argc, |
| 5160 | const char *const *argv, sqlite3_vtab **ppVtab, |
| 5161 | char **pzErr) { |
| 5162 | return vec0_init(db, pAux, argc, argv, ppVtab, pzErr, false0); |
| 5163 | } |
| 5164 | |
| 5165 | static int vec0Disconnect(sqlite3_vtab *pVtab) { |
| 5166 | vec0_vtab *p = (vec0_vtab *)pVtab; |
| 5167 | vec0_free(p); |
| 5168 | sqlite3_freesqlite3_api->free(p); |
| 5169 | return SQLITE_OK0; |
| 5170 | } |
| 5171 | static int vec0Destroy(sqlite3_vtab *pVtab) { |
| 5172 | vec0_vtab *p = (vec0_vtab *)pVtab; |
| 5173 | sqlite3_stmt *stmt; |
| 5174 | int rc; |
| 5175 | const char *zSql; |
| 5176 | |
| 5177 | // Free up any sqlite3_stmt, otherwise DROPs on those tables will fail |
| 5178 | vec0_free_resources(p); |
| 5179 | |
| 5180 | // TODO(test) later: can't evidence-of here, bc always gives "SQL logic error" instead of |
| 5181 | // provided error |
| 5182 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"", p->schemaName, |
| 5183 | p->tableName); |
| 5184 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5185 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5186 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5187 | rc = SQLITE_ERROR1; |
| 5188 | vtab_set_error(pVtab, "could not drop chunks shadow table"); |
| 5189 | goto done; |
| 5190 | } |
| 5191 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5192 | |
| 5193 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_INFO_NAME"\"%w\".\"%w_info\"", p->schemaName, |
| 5194 | p->tableName); |
| 5195 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5196 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5197 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5198 | rc = SQLITE_ERROR1; |
| 5199 | vtab_set_error(pVtab, "could not drop info shadow table"); |
| 5200 | goto done; |
| 5201 | } |
| 5202 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5203 | |
| 5204 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"", p->schemaName, |
| 5205 | p->tableName); |
| 5206 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5207 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5208 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5209 | rc = SQLITE_ERROR1; |
| 5210 | goto done; |
| 5211 | } |
| 5212 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5213 | |
| 5214 | for (int i = 0; i < p->numVectorColumns; i++) { |
| 5215 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE \"%w\".\"%w\"", p->schemaName, |
| 5216 | p->shadowVectorChunksNames[i]); |
| 5217 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5218 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5219 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5220 | rc = SQLITE_ERROR1; |
| 5221 | goto done; |
| 5222 | } |
| 5223 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5224 | } |
| 5225 | |
| 5226 | if(p->numAuxiliaryColumns > 0) { |
| 5227 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"", p->schemaName, p->tableName); |
| 5228 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5229 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5230 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5231 | rc = SQLITE_ERROR1; |
| 5232 | goto done; |
| 5233 | } |
| 5234 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5235 | } |
| 5236 | |
| 5237 | |
| 5238 | for (int i = 0; i < p->numMetadataColumns; i++) { |
| 5239 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_METADATA_N_NAME"\"%w\".\"%w_metadatachunks%02d\"", p->schemaName,p->tableName, i); |
| 5240 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5241 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5242 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5243 | rc = SQLITE_ERROR1; |
| 5244 | goto done; |
| 5245 | } |
| 5246 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5247 | |
| 5248 | if(p->metadata_columns[i].kind == VEC0_METADATA_COLUMN_KIND_TEXT) { |
| 5249 | zSql = sqlite3_mprintfsqlite3_api->mprintf("DROP TABLE " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"", p->schemaName,p->tableName, i); |
| 5250 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, 0); |
| 5251 | sqlite3_freesqlite3_api->free((void *)zSql); |
| 5252 | if ((rc != SQLITE_OK0) || (sqlite3_stepsqlite3_api->step(stmt) != SQLITE_DONE101)) { |
| 5253 | rc = SQLITE_ERROR1; |
| 5254 | goto done; |
| 5255 | } |
| 5256 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5257 | } |
| 5258 | } |
| 5259 | |
| 5260 | stmt = NULL((void*)0); |
| 5261 | rc = SQLITE_OK0; |
| 5262 | |
| 5263 | done: |
| 5264 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 5265 | vec0_free(p); |
| 5266 | // If there was an error |
| 5267 | if (rc == SQLITE_OK0) { |
| 5268 | sqlite3_freesqlite3_api->free(p); |
| 5269 | } |
| 5270 | return rc; |
| 5271 | } |
| 5272 | |
| 5273 | static int vec0Open(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor) { |
| 5274 | UNUSED_PARAMETER(p)(void)(p); |
| 5275 | vec0_cursor *pCur; |
| 5276 | pCur = sqlite3_mallocsqlite3_api->malloc(sizeof(*pCur)); |
| 5277 | if (pCur == 0) |
| 5278 | return SQLITE_NOMEM7; |
| 5279 | memset(pCur, 0, sizeof(*pCur)); |
| 5280 | *ppCursor = &pCur->base; |
| 5281 | return SQLITE_OK0; |
| 5282 | } |
| 5283 | |
| 5284 | static int vec0Close(sqlite3_vtab_cursor *cur) { |
| 5285 | vec0_cursor *pCur = (vec0_cursor *)cur; |
| 5286 | vec0_cursor_clear(pCur); |
| 5287 | sqlite3_freesqlite3_api->free(pCur); |
| 5288 | return SQLITE_OK0; |
| 5289 | } |
| 5290 | |
| 5291 | // All the different type of "values" provided to argv/argc in vec0Filter. |
| 5292 | // These enums denote the use and purpose of all of them. |
| 5293 | typedef enum { |
| 5294 | // If any values are updated, please update the ARCHITECTURE.md docs accordingly! |
| 5295 | |
| 5296 | VEC0_IDXSTR_KIND_KNN_MATCH = '{', |
| 5297 | VEC0_IDXSTR_KIND_KNN_K = '}', |
| 5298 | VEC0_IDXSTR_KIND_KNN_ROWID_IN = '[', |
| 5299 | VEC0_IDXSTR_KIND_KNN_PARTITON_CONSTRAINT = ']', |
| 5300 | VEC0_IDXSTR_KIND_POINT_ID = '!', |
| 5301 | VEC0_IDXSTR_KIND_METADATA_CONSTRAINT = '&', |
| 5302 | } vec0_idxstr_kind; |
| 5303 | |
| 5304 | // The different SQLITE_INDEX_CONSTRAINT values that vec0 partition key columns |
| 5305 | // support, but as characters that fit nicely in idxstr. |
| 5306 | typedef enum { |
| 5307 | // If any values are updated, please update the ARCHITECTURE.md docs accordingly! |
| 5308 | |
| 5309 | VEC0_PARTITION_OPERATOR_EQ = 'a', |
| 5310 | VEC0_PARTITION_OPERATOR_GT = 'b', |
| 5311 | VEC0_PARTITION_OPERATOR_LE = 'c', |
| 5312 | VEC0_PARTITION_OPERATOR_LT = 'd', |
| 5313 | VEC0_PARTITION_OPERATOR_GE = 'e', |
| 5314 | VEC0_PARTITION_OPERATOR_NE = 'f', |
| 5315 | } vec0_partition_operator; |
| 5316 | typedef enum { |
| 5317 | VEC0_METADATA_OPERATOR_EQ = 'a', |
| 5318 | VEC0_METADATA_OPERATOR_GT = 'b', |
| 5319 | VEC0_METADATA_OPERATOR_LE = 'c', |
| 5320 | VEC0_METADATA_OPERATOR_LT = 'd', |
| 5321 | VEC0_METADATA_OPERATOR_GE = 'e', |
| 5322 | VEC0_METADATA_OPERATOR_NE = 'f', |
| 5323 | VEC0_METADATA_OPERATOR_IN = 'g', |
| 5324 | } vec0_metadata_operator; |
| 5325 | |
| 5326 | static int vec0BestIndex(sqlite3_vtab *pVTab, sqlite3_index_info *pIdxInfo) { |
| 5327 | vec0_vtab *p = (vec0_vtab *)pVTab; |
| 5328 | /** |
| 5329 | * Possible query plans are: |
| 5330 | * 1. KNN when: |
| 5331 | * a) An `MATCH` op on vector column |
| 5332 | * b) ORDER BY on distance column |
| 5333 | * c) LIMIT |
| 5334 | * d) rowid in (...) OPTIONAL |
| 5335 | * 2. Point when: |
| 5336 | * a) An `EQ` op on rowid column |
| 5337 | * 3. else: fullscan |
| 5338 | * |
| 5339 | */ |
| 5340 | int iMatchTerm = -1; |
| 5341 | int iMatchVectorTerm = -1; |
| 5342 | int iLimitTerm = -1; |
| 5343 | int iRowidTerm = -1; |
| 5344 | int iKTerm = -1; |
| 5345 | int iRowidInTerm = -1; |
| 5346 | int hasAuxConstraint = 0; |
| 5347 | |
| 5348 | #ifdef SQLITE_VEC_DEBUG |
| 5349 | printf("pIdxInfo->nOrderBy=%d, pIdxInfo->nConstraint=%d\n", pIdxInfo->nOrderBy, pIdxInfo->nConstraint); |
| 5350 | #endif |
| 5351 | |
| 5352 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 5353 | u8 vtabIn = 0; |
| 5354 | |
| 5355 | #if COMPILER_SUPPORTS_VTAB_IN1 |
| 5356 | if (sqlite3_libversion_numbersqlite3_api->libversion_number() >= 3038000) { |
| 5357 | vtabIn = sqlite3_vtab_insqlite3_api->vtab_in(pIdxInfo, i, -1); |
| 5358 | } |
| 5359 | #endif |
| 5360 | |
| 5361 | #ifdef SQLITE_VEC_DEBUG |
| 5362 | printf("xBestIndex [%d] usable=%d iColumn=%d op=%d vtabin=%d\n", i, |
| 5363 | pIdxInfo->aConstraint[i].usable, pIdxInfo->aConstraint[i].iColumn, |
| 5364 | pIdxInfo->aConstraint[i].op, vtabIn); |
| 5365 | #endif |
| 5366 | if (!pIdxInfo->aConstraint[i].usable) |
| 5367 | continue; |
| 5368 | |
| 5369 | int iColumn = pIdxInfo->aConstraint[i].iColumn; |
| 5370 | int op = pIdxInfo->aConstraint[i].op; |
| 5371 | |
| 5372 | if (op == SQLITE_INDEX_CONSTRAINT_LIMIT73) { |
| 5373 | iLimitTerm = i; |
| 5374 | } |
| 5375 | if (op == SQLITE_INDEX_CONSTRAINT_MATCH64 && |
| 5376 | vec0_column_idx_is_vector(p, iColumn)) { |
| 5377 | if (iMatchTerm > -1) { |
| 5378 | vtab_set_error( |
| 5379 | pVTab, "only 1 MATCH operator is allowed in a single vec0 query"); |
| 5380 | return SQLITE_ERROR1; |
| 5381 | } |
| 5382 | iMatchTerm = i; |
| 5383 | iMatchVectorTerm = vec0_column_idx_to_vector_idx(p, iColumn); |
| 5384 | } |
| 5385 | if (op == SQLITE_INDEX_CONSTRAINT_EQ2 && iColumn == VEC0_COLUMN_ID0) { |
| 5386 | if (vtabIn) { |
| 5387 | if (iRowidInTerm != -1) { |
| 5388 | vtab_set_error(pVTab, "only 1 'rowid in (..)' operator is allowed in " |
| 5389 | "a single vec0 query"); |
| 5390 | return SQLITE_ERROR1; |
| 5391 | } |
| 5392 | iRowidInTerm = i; |
| 5393 | |
| 5394 | } else { |
| 5395 | iRowidTerm = i; |
| 5396 | } |
| 5397 | } |
| 5398 | if (op == SQLITE_INDEX_CONSTRAINT_EQ2 && iColumn == vec0_column_k_idx(p)) { |
| 5399 | iKTerm = i; |
| 5400 | } |
| 5401 | if( |
| 5402 | (op != SQLITE_INDEX_CONSTRAINT_LIMIT73 && op != SQLITE_INDEX_CONSTRAINT_OFFSET74) |
| 5403 | && vec0_column_idx_is_auxiliary(p, iColumn)) { |
| 5404 | hasAuxConstraint = 1; |
| 5405 | } |
| 5406 | } |
| 5407 | |
| 5408 | sqlite3_str *idxStr = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 5409 | int rc; |
| 5410 | |
| 5411 | if (iMatchTerm >= 0) { |
| 5412 | if (iLimitTerm < 0 && iKTerm < 0) { |
| 5413 | vtab_set_error( |
| 5414 | pVTab, |
| 5415 | "A LIMIT or 'k = ?' constraint is required on vec0 knn queries."); |
| 5416 | rc = SQLITE_ERROR1; |
| 5417 | goto done; |
| 5418 | } |
| 5419 | if (iLimitTerm >= 0 && iKTerm >= 0) { |
| 5420 | vtab_set_error(pVTab, "Only LIMIT or 'k =?' can be provided, not both"); |
| 5421 | rc = SQLITE_ERROR1; |
| 5422 | goto done; |
| 5423 | } |
| 5424 | |
| 5425 | if (pIdxInfo->nOrderBy) { |
| 5426 | if (pIdxInfo->nOrderBy > 1) { |
| 5427 | vtab_set_error(pVTab, "Only a single 'ORDER BY distance' clause is " |
| 5428 | "allowed on vec0 KNN queries"); |
| 5429 | rc = SQLITE_ERROR1; |
| 5430 | goto done; |
| 5431 | } |
| 5432 | if (pIdxInfo->aOrderBy[0].iColumn != vec0_column_distance_idx(p)) { |
| 5433 | vtab_set_error(pVTab, |
| 5434 | "Only a single 'ORDER BY distance' clause is allowed on " |
| 5435 | "vec0 KNN queries, not on other columns"); |
| 5436 | rc = SQLITE_ERROR1; |
| 5437 | goto done; |
| 5438 | } |
| 5439 | if (pIdxInfo->aOrderBy[0].desc) { |
| 5440 | vtab_set_error( |
| 5441 | pVTab, "Only ascending in ORDER BY distance clause is supported, " |
| 5442 | "DESC is not supported yet."); |
| 5443 | rc = SQLITE_ERROR1; |
| 5444 | goto done; |
| 5445 | } |
| 5446 | } |
| 5447 | |
| 5448 | if(hasAuxConstraint) { |
| 5449 | // IMP: V25623_09693 |
| 5450 | vtab_set_error(pVTab, "An illegal WHERE constraint was provided on a vec0 auxiliary column in a KNN query."); |
| 5451 | rc = SQLITE_ERROR1; |
| 5452 | goto done; |
| 5453 | } |
| 5454 | |
| 5455 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_QUERY_PLAN_KNN); |
| 5456 | |
| 5457 | int argvIndex = 1; |
| 5458 | pIdxInfo->aConstraintUsage[iMatchTerm].argvIndex = argvIndex++; |
| 5459 | pIdxInfo->aConstraintUsage[iMatchTerm].omit = 1; |
| 5460 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_KNN_MATCH); |
| 5461 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 3, '_'); |
| 5462 | |
| 5463 | if (iLimitTerm >= 0) { |
| 5464 | pIdxInfo->aConstraintUsage[iLimitTerm].argvIndex = argvIndex++; |
| 5465 | pIdxInfo->aConstraintUsage[iLimitTerm].omit = 1; |
| 5466 | } else { |
| 5467 | pIdxInfo->aConstraintUsage[iKTerm].argvIndex = argvIndex++; |
| 5468 | pIdxInfo->aConstraintUsage[iKTerm].omit = 1; |
| 5469 | } |
| 5470 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_KNN_K); |
| 5471 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 3, '_'); |
| 5472 | |
| 5473 | #if COMPILER_SUPPORTS_VTAB_IN1 |
| 5474 | if (iRowidInTerm >= 0) { |
| 5475 | // already validated as >= SQLite 3.38 bc iRowidInTerm is only >= 0 when |
| 5476 | // vtabIn == 1 |
| 5477 | sqlite3_vtab_insqlite3_api->vtab_in(pIdxInfo, iRowidInTerm, 1); |
| 5478 | pIdxInfo->aConstraintUsage[iRowidInTerm].argvIndex = argvIndex++; |
| 5479 | pIdxInfo->aConstraintUsage[iRowidInTerm].omit = 1; |
| 5480 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_KNN_ROWID_IN); |
| 5481 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 3, '_'); |
| 5482 | } |
| 5483 | #endif |
| 5484 | |
| 5485 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 5486 | if (!pIdxInfo->aConstraint[i].usable) |
| 5487 | continue; |
| 5488 | |
| 5489 | int iColumn = pIdxInfo->aConstraint[i].iColumn; |
| 5490 | int op = pIdxInfo->aConstraint[i].op; |
| 5491 | if(op == SQLITE_INDEX_CONSTRAINT_LIMIT73 || op == SQLITE_INDEX_CONSTRAINT_OFFSET74) { |
| 5492 | continue; |
| 5493 | } |
| 5494 | if(!vec0_column_idx_is_partition(p, iColumn)) { |
| 5495 | continue; |
| 5496 | } |
| 5497 | |
| 5498 | int partition_idx = vec0_column_idx_to_partition_idx(p, iColumn); |
| 5499 | char value = 0; |
| 5500 | |
| 5501 | switch(op) { |
| 5502 | case SQLITE_INDEX_CONSTRAINT_EQ2: { |
| 5503 | value = VEC0_PARTITION_OPERATOR_EQ; |
| 5504 | break; |
| 5505 | } |
| 5506 | case SQLITE_INDEX_CONSTRAINT_GT4: { |
| 5507 | value = VEC0_PARTITION_OPERATOR_GT; |
| 5508 | break; |
| 5509 | } |
| 5510 | case SQLITE_INDEX_CONSTRAINT_LE8: { |
| 5511 | value = VEC0_PARTITION_OPERATOR_LE; |
| 5512 | break; |
| 5513 | } |
| 5514 | case SQLITE_INDEX_CONSTRAINT_LT16: { |
| 5515 | value = VEC0_PARTITION_OPERATOR_LT; |
| 5516 | break; |
| 5517 | } |
| 5518 | case SQLITE_INDEX_CONSTRAINT_GE32: { |
| 5519 | value = VEC0_PARTITION_OPERATOR_GE; |
| 5520 | break; |
| 5521 | } |
| 5522 | case SQLITE_INDEX_CONSTRAINT_NE68: { |
| 5523 | value = VEC0_PARTITION_OPERATOR_NE; |
| 5524 | break; |
| 5525 | } |
| 5526 | } |
| 5527 | |
| 5528 | if(value) { |
| 5529 | pIdxInfo->aConstraintUsage[i].argvIndex = argvIndex++; |
| 5530 | pIdxInfo->aConstraintUsage[i].omit = 1; |
| 5531 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_KNN_PARTITON_CONSTRAINT); |
| 5532 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, 'A' + partition_idx); |
| 5533 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, value); |
| 5534 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, '_'); |
| 5535 | } |
| 5536 | |
| 5537 | } |
| 5538 | |
| 5539 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 5540 | if (!pIdxInfo->aConstraint[i].usable) |
| 5541 | continue; |
| 5542 | |
| 5543 | int iColumn = pIdxInfo->aConstraint[i].iColumn; |
| 5544 | int op = pIdxInfo->aConstraint[i].op; |
| 5545 | if(op == SQLITE_INDEX_CONSTRAINT_LIMIT73 || op == SQLITE_INDEX_CONSTRAINT_OFFSET74) { |
| 5546 | continue; |
| 5547 | } |
| 5548 | if(!vec0_column_idx_is_metadata(p, iColumn)) { |
| 5549 | continue; |
| 5550 | } |
| 5551 | |
| 5552 | int metadata_idx = vec0_column_idx_to_metadata_idx(p, iColumn); |
| 5553 | char value = 0; |
| 5554 | |
| 5555 | switch(op) { |
| 5556 | case SQLITE_INDEX_CONSTRAINT_EQ2: { |
| 5557 | int vtabIn = 0; |
| 5558 | #if COMPILER_SUPPORTS_VTAB_IN1 |
| 5559 | if (sqlite3_libversion_numbersqlite3_api->libversion_number() >= 3038000) { |
| 5560 | vtabIn = sqlite3_vtab_insqlite3_api->vtab_in(pIdxInfo, i, -1); |
| 5561 | } |
| 5562 | if(vtabIn) { |
| 5563 | switch(p->metadata_columns[metadata_idx].kind) { |
| 5564 | case VEC0_METADATA_COLUMN_KIND_FLOAT: |
| 5565 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 5566 | // IMP: V15248_32086 |
| 5567 | rc = SQLITE_ERROR1; |
| 5568 | vtab_set_error(pVTab, "'xxx in (...)' is only available on INTEGER or TEXT metadata columns."); |
| 5569 | goto done; |
| 5570 | break; |
| 5571 | } |
| 5572 | case VEC0_METADATA_COLUMN_KIND_INTEGER: |
| 5573 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 5574 | break; |
| 5575 | } |
| 5576 | } |
| 5577 | value = VEC0_METADATA_OPERATOR_IN; |
| 5578 | sqlite3_vtab_insqlite3_api->vtab_in(pIdxInfo, i, 1); |
| 5579 | }else |
| 5580 | #endif |
| 5581 | { |
| 5582 | value = VEC0_PARTITION_OPERATOR_EQ; |
| 5583 | } |
| 5584 | break; |
| 5585 | } |
| 5586 | case SQLITE_INDEX_CONSTRAINT_GT4: { |
| 5587 | value = VEC0_METADATA_OPERATOR_GT; |
| 5588 | break; |
| 5589 | } |
| 5590 | case SQLITE_INDEX_CONSTRAINT_LE8: { |
| 5591 | value = VEC0_METADATA_OPERATOR_LE; |
| 5592 | break; |
| 5593 | } |
| 5594 | case SQLITE_INDEX_CONSTRAINT_LT16: { |
| 5595 | value = VEC0_METADATA_OPERATOR_LT; |
| 5596 | break; |
| 5597 | } |
| 5598 | case SQLITE_INDEX_CONSTRAINT_GE32: { |
| 5599 | value = VEC0_METADATA_OPERATOR_GE; |
| 5600 | break; |
| 5601 | } |
| 5602 | case SQLITE_INDEX_CONSTRAINT_NE68: { |
| 5603 | value = VEC0_METADATA_OPERATOR_NE; |
| 5604 | break; |
| 5605 | } |
| 5606 | default: { |
| 5607 | // IMP: V16511_00582 |
| 5608 | rc = SQLITE_ERROR1; |
| 5609 | vtab_set_error(pVTab, |
| 5610 | "An illegal WHERE constraint was provided on a vec0 metadata column in a KNN query. " |
| 5611 | "Only one of EQUALS, GREATER_THAN, LESS_THAN_OR_EQUAL, LESS_THAN, GREATER_THAN_OR_EQUAL, NOT_EQUALS is allowed." |
| 5612 | ); |
| 5613 | goto done; |
| 5614 | } |
| 5615 | } |
| 5616 | |
| 5617 | if(p->metadata_columns[metadata_idx].kind == VEC0_METADATA_COLUMN_KIND_BOOLEAN) { |
| 5618 | if(!(value == VEC0_METADATA_OPERATOR_EQ || value == VEC0_METADATA_OPERATOR_NE)) { |
| 5619 | // IMP: V10145_26984 |
| 5620 | rc = SQLITE_ERROR1; |
| 5621 | vtab_set_error(pVTab, "ONLY EQUALS (=) or NOT_EQUALS (!=) operators are allowed on boolean metadata columns."); |
| 5622 | goto done; |
| 5623 | } |
| 5624 | } |
| 5625 | |
| 5626 | pIdxInfo->aConstraintUsage[i].argvIndex = argvIndex++; |
| 5627 | pIdxInfo->aConstraintUsage[i].omit = 1; |
| 5628 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_METADATA_CONSTRAINT); |
| 5629 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, 'A' + metadata_idx); |
| 5630 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, value); |
| 5631 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, '_'); |
| 5632 | |
| 5633 | } |
| 5634 | |
| 5635 | |
| 5636 | |
| 5637 | pIdxInfo->idxNum = iMatchVectorTerm; |
| 5638 | pIdxInfo->estimatedCost = 30.0; |
| 5639 | pIdxInfo->estimatedRows = 10; |
| 5640 | |
| 5641 | } else if (iRowidTerm >= 0) { |
| 5642 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_QUERY_PLAN_POINT); |
| 5643 | pIdxInfo->aConstraintUsage[iRowidTerm].argvIndex = 1; |
| 5644 | pIdxInfo->aConstraintUsage[iRowidTerm].omit = 1; |
| 5645 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_IDXSTR_KIND_POINT_ID); |
| 5646 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 3, '_'); |
| 5647 | pIdxInfo->idxNum = pIdxInfo->colUsed; |
| 5648 | pIdxInfo->estimatedCost = 10.0; |
| 5649 | pIdxInfo->estimatedRows = 1; |
| 5650 | } else { |
| 5651 | sqlite3_str_appendcharsqlite3_api->str_appendchar(idxStr, 1, VEC0_QUERY_PLAN_FULLSCAN); |
| 5652 | pIdxInfo->estimatedCost = 3000000.0; |
| 5653 | pIdxInfo->estimatedRows = 100000; |
| 5654 | } |
| 5655 | pIdxInfo->idxStr = sqlite3_str_finishsqlite3_api->str_finish(idxStr); |
| 5656 | idxStr = NULL((void*)0); |
| 5657 | if (!pIdxInfo->idxStr) { |
| 5658 | rc = SQLITE_OK0; |
| 5659 | goto done; |
| 5660 | } |
| 5661 | pIdxInfo->needToFreeIdxStr = 1; |
| 5662 | |
| 5663 | |
| 5664 | rc = SQLITE_OK0; |
| 5665 | |
| 5666 | done: |
| 5667 | if(idxStr) { |
| 5668 | sqlite3_str_finishsqlite3_api->str_finish(idxStr); |
| 5669 | } |
| 5670 | return rc; |
| 5671 | } |
| 5672 | |
| 5673 | // forward delcaration bc vec0Filter uses it |
| 5674 | static int vec0Next(sqlite3_vtab_cursor *cur); |
| 5675 | |
| 5676 | void merge_sorted_lists(f32 *a, i64 *a_rowids, i64 a_length, f32 *b, |
| 5677 | i64 *b_rowids, i32 *b_top_idxs, i64 b_length, f32 *out, |
| 5678 | i64 *out_rowids, i64 out_length, i64 *out_used) { |
| 5679 | // assert((a_length >= out_length) || (b_length >= out_length)); |
| 5680 | i64 ptrA = 0; |
| 5681 | i64 ptrB = 0; |
| 5682 | for (int i = 0; i < out_length; i++) { |
| 5683 | if ((ptrA >= a_length) && (ptrB >= b_length)) { |
| 5684 | *out_used = i; |
| 5685 | return; |
| 5686 | } |
| 5687 | if (ptrA >= a_length) { |
| 5688 | out[i] = b[b_top_idxs[ptrB]]; |
| 5689 | out_rowids[i] = b_rowids[b_top_idxs[ptrB]]; |
| 5690 | ptrB++; |
| 5691 | } else if (ptrB >= b_length) { |
| 5692 | out[i] = a[ptrA]; |
| 5693 | out_rowids[i] = a_rowids[ptrA]; |
| 5694 | ptrA++; |
| 5695 | } else { |
| 5696 | if (a[ptrA] <= b[b_top_idxs[ptrB]]) { |
| 5697 | out[i] = a[ptrA]; |
| 5698 | out_rowids[i] = a_rowids[ptrA]; |
| 5699 | ptrA++; |
| 5700 | } else { |
| 5701 | out[i] = b[b_top_idxs[ptrB]]; |
| 5702 | out_rowids[i] = b_rowids[b_top_idxs[ptrB]]; |
| 5703 | ptrB++; |
| 5704 | } |
| 5705 | } |
| 5706 | } |
| 5707 | |
| 5708 | *out_used = out_length; |
| 5709 | } |
| 5710 | |
| 5711 | u8 *bitmap_new(i32 n) { |
| 5712 | assert(n % 8 == 0)((void) sizeof ((n % 8 == 0) ? 1 : 0), __extension__ ({ if (n % 8 == 0) ; else __assert_fail ("n % 8 == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5712, __extension__ __PRETTY_FUNCTION__); })); |
| 5713 | u8 *p = sqlite3_mallocsqlite3_api->malloc(n * sizeof(u8) / CHAR_BIT8); |
| 5714 | if (p) { |
| 5715 | memset(p, 0, n * sizeof(u8) / CHAR_BIT8); |
| 5716 | } |
| 5717 | return p; |
| 5718 | } |
| 5719 | u8 *bitmap_new_from(i32 n, u8 *from) { |
| 5720 | assert(n % 8 == 0)((void) sizeof ((n % 8 == 0) ? 1 : 0), __extension__ ({ if (n % 8 == 0) ; else __assert_fail ("n % 8 == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5720, __extension__ __PRETTY_FUNCTION__); })); |
| 5721 | u8 *p = sqlite3_mallocsqlite3_api->malloc(n * sizeof(u8) / CHAR_BIT8); |
| 5722 | if (p) { |
| 5723 | memcpy(p, from, n / CHAR_BIT8); |
| 5724 | } |
| 5725 | return p; |
| 5726 | } |
| 5727 | |
| 5728 | void bitmap_copy(u8 *base, u8 *from, i32 n) { |
| 5729 | assert(n % 8 == 0)((void) sizeof ((n % 8 == 0) ? 1 : 0), __extension__ ({ if (n % 8 == 0) ; else __assert_fail ("n % 8 == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5729, __extension__ __PRETTY_FUNCTION__); })); |
| 5730 | memcpy(base, from, n / CHAR_BIT8); |
| 5731 | } |
| 5732 | |
| 5733 | void bitmap_and_inplace(u8 *base, u8 *other, i32 n) { |
| 5734 | assert((n % 8) == 0)((void) sizeof (((n % 8) == 0) ? 1 : 0), __extension__ ({ if ( (n % 8) == 0) ; else __assert_fail ("(n % 8) == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5734, __extension__ __PRETTY_FUNCTION__); })); |
| 5735 | for (int i = 0; i < n / CHAR_BIT8; i++) { |
| 5736 | base[i] = base[i] & other[i]; |
| 5737 | } |
| 5738 | } |
| 5739 | |
| 5740 | void bitmap_set(u8 *bitmap, i32 position, int value) { |
| 5741 | if (value) { |
| 5742 | bitmap[position / CHAR_BIT8] |= 1 << (position % CHAR_BIT8); |
| 5743 | } else { |
| 5744 | bitmap[position / CHAR_BIT8] &= ~(1 << (position % CHAR_BIT8)); |
| 5745 | } |
| 5746 | } |
| 5747 | |
| 5748 | int bitmap_get(u8 *bitmap, i32 position) { |
| 5749 | return (((bitmap[position / CHAR_BIT8]) >> (position % CHAR_BIT8)) & 1); |
| 5750 | } |
| 5751 | |
| 5752 | void bitmap_clear(u8 *bitmap, i32 n) { |
| 5753 | assert((n % 8) == 0)((void) sizeof (((n % 8) == 0) ? 1 : 0), __extension__ ({ if ( (n % 8) == 0) ; else __assert_fail ("(n % 8) == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5753, __extension__ __PRETTY_FUNCTION__); })); |
| 5754 | memset(bitmap, 0, n / CHAR_BIT8); |
| 5755 | } |
| 5756 | |
| 5757 | void bitmap_fill(u8 *bitmap, i32 n) { |
| 5758 | assert((n % 8) == 0)((void) sizeof (((n % 8) == 0) ? 1 : 0), __extension__ ({ if ( (n % 8) == 0) ; else __assert_fail ("(n % 8) == 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5758, __extension__ __PRETTY_FUNCTION__); })); |
| 5759 | memset(bitmap, 0xFF, n / CHAR_BIT8); |
| 5760 | } |
| 5761 | |
| 5762 | /** |
| 5763 | * @brief Finds the minimum k items in distances, and writes the indicies to |
| 5764 | * out. |
| 5765 | * |
| 5766 | * @param distances input f32 array of size n, the items to consider. |
| 5767 | * @param n: size of distances array. |
| 5768 | * @param out: Output array of size k, will contain at most k element indicies |
| 5769 | * @param k: Size of output array |
| 5770 | * @return int |
| 5771 | */ |
| 5772 | int min_idx(const f32 *distances, i32 n, u8 *candidates, i32 *out, i32 k, |
| 5773 | u8 *bTaken, i32 *k_used) { |
| 5774 | assert(k > 0)((void) sizeof ((k > 0) ? 1 : 0), __extension__ ({ if (k > 0) ; else __assert_fail ("k > 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5774, __extension__ __PRETTY_FUNCTION__); })); |
| 5775 | assert(k <= n)((void) sizeof ((k <= n) ? 1 : 0), __extension__ ({ if (k <= n) ; else __assert_fail ("k <= n", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5775, __extension__ __PRETTY_FUNCTION__); })); |
| 5776 | |
| 5777 | bitmap_clear(bTaken, n); |
| 5778 | |
| 5779 | for (int ik = 0; ik < k; ik++) { |
| 5780 | int min_idx = 0; |
| 5781 | while (min_idx < n && |
| 5782 | (bitmap_get(bTaken, min_idx) || !bitmap_get(candidates, min_idx))) { |
| 5783 | min_idx++; |
| 5784 | } |
| 5785 | if (min_idx >= n) { |
| 5786 | *k_used = ik; |
| 5787 | return SQLITE_OK0; |
| 5788 | } |
| 5789 | |
| 5790 | for (int i = 0; i < n; i++) { |
| 5791 | if (distances[i] <= distances[min_idx] && !bitmap_get(bTaken, i) && |
| 5792 | (bitmap_get(candidates, i))) { |
| 5793 | min_idx = i; |
| 5794 | } |
| 5795 | } |
| 5796 | |
| 5797 | out[ik] = min_idx; |
| 5798 | bitmap_set(bTaken, min_idx, 1); |
| 5799 | } |
| 5800 | *k_used = k; |
| 5801 | return SQLITE_OK0; |
| 5802 | } |
| 5803 | |
| 5804 | int vec0_get_metadata_text_long_value( |
| 5805 | vec0_vtab * p, |
| 5806 | sqlite3_stmt ** stmt, |
| 5807 | int metadata_idx, |
| 5808 | i64 rowid, |
| 5809 | int *n, |
| 5810 | char ** s) { |
| 5811 | int rc; |
| 5812 | if(!(*stmt)) { |
| 5813 | const char * zSql = sqlite3_mprintfsqlite3_api->mprintf("select data from " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " where rowid = ?", p->schemaName, p->tableName, metadata_idx); |
| 5814 | if(!zSql) { |
| 5815 | rc = SQLITE_NOMEM7; |
| 5816 | goto done; |
| 5817 | } |
| 5818 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, stmt, NULL((void*)0)); |
| 5819 | sqlite3_freesqlite3_api->free( (void *) zSql); |
| 5820 | if(rc != SQLITE_OK0) { |
| 5821 | goto done; |
| 5822 | } |
| 5823 | } |
| 5824 | |
| 5825 | sqlite3_resetsqlite3_api->reset(*stmt); |
| 5826 | sqlite3_bind_int64sqlite3_api->bind_int64(*stmt, 1, rowid); |
| 5827 | rc = sqlite3_stepsqlite3_api->step(*stmt); |
| 5828 | if(rc != SQLITE_ROW100) { |
| 5829 | rc = SQLITE_ERROR1; |
| 5830 | goto done; |
| 5831 | } |
| 5832 | *s = (char *) sqlite3_column_textsqlite3_api->column_text(*stmt, 0); |
| 5833 | *n = sqlite3_column_bytessqlite3_api->column_bytes(*stmt, 0); |
| 5834 | rc = SQLITE_OK0; |
| 5835 | done: |
| 5836 | return rc; |
| 5837 | } |
| 5838 | |
| 5839 | /** |
| 5840 | * @brief Crete at "iterator" (sqlite3_stmt) of chunks with the given constraints |
| 5841 | * |
| 5842 | * Any VEC0_IDXSTR_KIND_KNN_PARTITON_CONSTRAINT values in idxStr/argv will be applied |
| 5843 | * as WHERE constraints in the underlying stmt SQL, and any consumer of the stmt |
| 5844 | * can freely step through the stmt with all constraints satisfied. |
| 5845 | * |
| 5846 | * @param p - vec0_vtab |
| 5847 | * @param idxStr - the xBestIndex/xFilter idxstr containing VEC0_IDXSTR values |
| 5848 | * @param argc - number of argv values from xFilter |
| 5849 | * @param argv - array of sqlite3_value from xFilter |
| 5850 | * @param outStmt - output sqlite3_stmt of chunks with all filters applied |
| 5851 | * @return int SQLITE_OK on success, error code otherwise |
| 5852 | */ |
| 5853 | int vec0_chunks_iter(vec0_vtab * p, const char * idxStr, int argc, sqlite3_value ** argv, sqlite3_stmt** outStmt) { |
| 5854 | // always null terminated, enforced by SQLite |
| 5855 | int idxStrLength = strlen(idxStr); |
| 5856 | // "1" refers to the initial vec0_query_plan char, 4 is the number of chars per "element" |
| 5857 | int numValueEntries = (idxStrLength-1) / 4; |
| 5858 | assert(argc == numValueEntries)((void) sizeof ((argc == numValueEntries) ? 1 : 0), __extension__ ({ if (argc == numValueEntries) ; else __assert_fail ("argc == numValueEntries" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5858, __extension__ __PRETTY_FUNCTION__); })); |
| 5859 | |
| 5860 | int rc; |
| 5861 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 5862 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "select chunk_id, validity, rowids " |
| 5863 | " from " VEC0_SHADOW_CHUNKS_NAME"\"%w\".\"%w_chunks\"", |
| 5864 | p->schemaName, p->tableName); |
| 5865 | |
| 5866 | int appendedWhere = 0; |
| 5867 | for(int i = 0; i < numValueEntries; i++) { |
| 5868 | int idx = 1 + (i * 4); |
| 5869 | char kind = idxStr[idx + 0]; |
| 5870 | if(kind != VEC0_IDXSTR_KIND_KNN_PARTITON_CONSTRAINT) { |
| 5871 | continue; |
| 5872 | } |
| 5873 | |
| 5874 | int partition_idx = idxStr[idx + 1] - 'A'; |
| 5875 | int operator = idxStr[idx + 2]; |
| 5876 | // idxStr[idx + 3] is just null, a '_' placeholder |
| 5877 | |
| 5878 | if(!appendedWhere) { |
| 5879 | sqlite3_str_appendallsqlite3_api->str_appendall(s, " WHERE "); |
| 5880 | appendedWhere = 1; |
| 5881 | }else { |
| 5882 | sqlite3_str_appendallsqlite3_api->str_appendall(s, " AND "); |
| 5883 | } |
| 5884 | switch(operator) { |
| 5885 | case VEC0_PARTITION_OPERATOR_EQ: |
| 5886 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d = ? ", partition_idx); |
| 5887 | break; |
| 5888 | case VEC0_PARTITION_OPERATOR_GT: |
| 5889 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d > ? ", partition_idx); |
| 5890 | break; |
| 5891 | case VEC0_PARTITION_OPERATOR_LE: |
| 5892 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d <= ? ", partition_idx); |
| 5893 | break; |
| 5894 | case VEC0_PARTITION_OPERATOR_LT: |
| 5895 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d < ? ", partition_idx); |
| 5896 | break; |
| 5897 | case VEC0_PARTITION_OPERATOR_GE: |
| 5898 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d >= ? ", partition_idx); |
| 5899 | break; |
| 5900 | case VEC0_PARTITION_OPERATOR_NE: |
| 5901 | sqlite3_str_appendfsqlite3_api->str_appendf(s, " partition%02d != ? ", partition_idx); |
| 5902 | break; |
| 5903 | default: { |
| 5904 | char * zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 5905 | sqlite3_freesqlite3_api->free(zSql); |
| 5906 | return SQLITE_ERROR1; |
| 5907 | } |
| 5908 | |
| 5909 | } |
| 5910 | |
| 5911 | } |
| 5912 | |
| 5913 | char *zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 5914 | if (!zSql) { |
| 5915 | return SQLITE_NOMEM7; |
| 5916 | } |
| 5917 | |
| 5918 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, outStmt, NULL((void*)0)); |
| 5919 | sqlite3_freesqlite3_api->free(zSql); |
| 5920 | if(rc != SQLITE_OK0) { |
| 5921 | return rc; |
| 5922 | } |
| 5923 | |
| 5924 | int n = 1; |
| 5925 | for(int i = 0; i < numValueEntries; i++) { |
| 5926 | int idx = 1 + (i * 4); |
| 5927 | char kind = idxStr[idx + 0]; |
| 5928 | if(kind != VEC0_IDXSTR_KIND_KNN_PARTITON_CONSTRAINT) { |
| 5929 | continue; |
| 5930 | } |
| 5931 | sqlite3_bind_valuesqlite3_api->bind_value(*outStmt, n++, argv[i]); |
| 5932 | } |
| 5933 | |
| 5934 | return rc; |
| 5935 | } |
| 5936 | |
| 5937 | // a single `xxx in (...)` constraint on a metadata column. TEXT or INTEGER only for now. |
| 5938 | struct Vec0MetadataIn{ |
| 5939 | // index of argv[i]` the constraint is on |
| 5940 | int argv_idx; |
| 5941 | // metadata column index of the constraint, derived from idxStr + argv_idx |
| 5942 | int metadata_idx; |
| 5943 | // array of the copied `(...)` values from sqlite3_vtab_in_first()/sqlite3_vtab_in_next() |
| 5944 | struct Array array; |
| 5945 | }; |
| 5946 | |
| 5947 | // Array elements for `xxx in (...)` values for a text column. basically just a string |
| 5948 | struct Vec0MetadataInTextEntry { |
| 5949 | int n; |
| 5950 | char * zString; |
| 5951 | }; |
| 5952 | |
| 5953 | |
| 5954 | int vec0_metadata_filter_text(vec0_vtab * p, sqlite3_value * value, const void * buffer, int size, vec0_metadata_operator op, u8* b, int metadata_idx, int chunk_rowid, struct Array * aMetadataIn, int argv_idx) { |
| 5955 | int rc; |
| 5956 | sqlite3_stmt * stmt = NULL((void*)0); |
| 5957 | i64 * rowids = NULL((void*)0); |
| 5958 | sqlite3_blob * rowidsBlob; |
| 5959 | const char * sTarget = (const char *) sqlite3_value_textsqlite3_api->value_text(value); |
| 5960 | int nTarget = sqlite3_value_bytessqlite3_api->value_bytes(value); |
| 5961 | |
| 5962 | |
| 5963 | // TODO(perf): only text metadata news the rowids BLOB. Make it so that |
| 5964 | // rowids BLOB is re-used when multiple fitlers on text columns, |
| 5965 | // ex "name BETWEEN 'a' and 'b'"" |
| 5966 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowChunksName, "rowids", chunk_rowid, 0, &rowidsBlob); |
| 5967 | if(rc != SQLITE_OK0) { |
| 5968 | return rc; |
| 5969 | } |
| 5970 | assert(sqlite3_blob_bytes(rowidsBlob) % sizeof(i64) == 0)((void) sizeof ((sqlite3_api->blob_bytes(rowidsBlob) % sizeof (i64) == 0) ? 1 : 0), __extension__ ({ if (sqlite3_api->blob_bytes (rowidsBlob) % sizeof(i64) == 0) ; else __assert_fail ("sqlite3_blob_bytes(rowidsBlob) % sizeof(i64) == 0" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5970, __extension__ __PRETTY_FUNCTION__); })); |
| 5971 | assert((sqlite3_blob_bytes(rowidsBlob) / sizeof(i64)) == size)((void) sizeof (((sqlite3_api->blob_bytes(rowidsBlob) / sizeof (i64)) == size) ? 1 : 0), __extension__ ({ if ((sqlite3_api-> blob_bytes(rowidsBlob) / sizeof(i64)) == size) ; else __assert_fail ("(sqlite3_blob_bytes(rowidsBlob) / sizeof(i64)) == size", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 5971, __extension__ __PRETTY_FUNCTION__); })); |
| 5972 | |
| 5973 | rowids = sqlite3_mallocsqlite3_api->malloc(sqlite3_blob_bytessqlite3_api->blob_bytes(rowidsBlob)); |
| 5974 | if(!rowids) { |
| 5975 | sqlite3_blob_closesqlite3_api->blob_close(rowidsBlob); |
| 5976 | return SQLITE_NOMEM7; |
| 5977 | } |
| 5978 | |
| 5979 | rc = sqlite3_blob_readsqlite3_api->blob_read(rowidsBlob, rowids, sqlite3_blob_bytessqlite3_api->blob_bytes(rowidsBlob), 0); |
| 5980 | if(rc != SQLITE_OK0) { |
| 5981 | sqlite3_blob_closesqlite3_api->blob_close(rowidsBlob); |
| 5982 | return rc; |
| 5983 | } |
| 5984 | sqlite3_blob_closesqlite3_api->blob_close(rowidsBlob); |
| 5985 | |
| 5986 | switch(op) { |
| 5987 | int nPrefix; |
| 5988 | char * sPrefix; |
| 5989 | char *sFull; |
| 5990 | int nFull; |
| 5991 | u8 * view; |
| 5992 | case VEC0_METADATA_OPERATOR_EQ: { |
| 5993 | for(int i = 0; i < size; i++) { |
| 5994 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 5995 | nPrefix = ((int*) view)[0]; |
| 5996 | sPrefix = (char *) &view[4]; |
| 5997 | |
| 5998 | // for EQ the text lengths must match |
| 5999 | if(nPrefix != nTarget) { |
| 6000 | bitmap_set(b, i, 0); |
| 6001 | continue; |
| 6002 | } |
| 6003 | int cmpPrefix = strncmp(sPrefix, sTarget, min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH)(((nPrefix) <= (12)) ? (nPrefix) : (12))); |
| 6004 | |
| 6005 | // for short strings, use the prefix comparison direclty |
| 6006 | if(nPrefix <= VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6007 | bitmap_set(b, i, cmpPrefix == 0); |
| 6008 | continue; |
| 6009 | } |
| 6010 | // for EQ on longs strings, the prefix must match |
| 6011 | if(cmpPrefix) { |
| 6012 | bitmap_set(b, i, 0); |
| 6013 | continue; |
| 6014 | } |
| 6015 | // consult the full string |
| 6016 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6017 | if(rc != SQLITE_OK0) { |
| 6018 | goto done; |
| 6019 | } |
| 6020 | if(nPrefix != nFull) { |
| 6021 | rc = SQLITE_ERROR1; |
| 6022 | goto done; |
| 6023 | } |
| 6024 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) == 0); |
| 6025 | } |
| 6026 | break; |
| 6027 | } |
| 6028 | case VEC0_METADATA_OPERATOR_NE: { |
| 6029 | for(int i = 0; i < size; i++) { |
| 6030 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6031 | nPrefix = ((int*) view)[0]; |
| 6032 | sPrefix = (char *) &view[4]; |
| 6033 | |
| 6034 | // for NE if text lengths dont match, it never will |
| 6035 | if(nPrefix != nTarget) { |
| 6036 | bitmap_set(b, i, 1); |
| 6037 | continue; |
| 6038 | } |
| 6039 | |
| 6040 | int cmpPrefix = strncmp(sPrefix, sTarget, min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH)(((nPrefix) <= (12)) ? (nPrefix) : (12))); |
| 6041 | |
| 6042 | // for short strings, use the prefix comparison direclty |
| 6043 | if(nPrefix <= VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6044 | bitmap_set(b, i, cmpPrefix != 0); |
| 6045 | continue; |
| 6046 | } |
| 6047 | // for NE on longs strings, if prefixes dont match, then long string wont |
| 6048 | if(cmpPrefix) { |
| 6049 | bitmap_set(b, i, 1); |
| 6050 | continue; |
| 6051 | } |
| 6052 | // consult the full string |
| 6053 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6054 | if(rc != SQLITE_OK0) { |
| 6055 | goto done; |
| 6056 | } |
| 6057 | if(nPrefix != nFull) { |
| 6058 | rc = SQLITE_ERROR1; |
| 6059 | goto done; |
| 6060 | } |
| 6061 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) != 0); |
| 6062 | } |
| 6063 | break; |
| 6064 | } |
| 6065 | case VEC0_METADATA_OPERATOR_GT: { |
| 6066 | for(int i = 0; i < size; i++) { |
| 6067 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6068 | nPrefix = ((int*) view)[0]; |
| 6069 | sPrefix = (char *) &view[4]; |
| 6070 | int cmpPrefix = strncmp(sPrefix, sTarget, min(min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH), nTarget)((((((nPrefix) <= (12)) ? (nPrefix) : (12))) <= (nTarget )) ? ((((nPrefix) <= (12)) ? (nPrefix) : (12))) : (nTarget ))); |
| 6071 | |
| 6072 | if(nPrefix < VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6073 | // if prefix match, check which is longer |
| 6074 | if(cmpPrefix == 0) { |
| 6075 | bitmap_set(b, i, nPrefix > nTarget); |
| 6076 | } |
| 6077 | else { |
| 6078 | bitmap_set(b, i, cmpPrefix > 0); |
| 6079 | } |
| 6080 | continue; |
| 6081 | } |
| 6082 | // TODO(perf): may not need to compare full text in some cases |
| 6083 | |
| 6084 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6085 | if(rc != SQLITE_OK0) { |
| 6086 | goto done; |
| 6087 | } |
| 6088 | if(nPrefix != nFull) { |
| 6089 | rc = SQLITE_ERROR1; |
| 6090 | goto done; |
| 6091 | } |
| 6092 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) > 0); |
| 6093 | } |
| 6094 | break; |
| 6095 | } |
| 6096 | case VEC0_METADATA_OPERATOR_GE: { |
| 6097 | for(int i = 0; i < size; i++) { |
| 6098 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6099 | nPrefix = ((int*) view)[0]; |
| 6100 | sPrefix = (char *) &view[4]; |
| 6101 | int cmpPrefix = strncmp(sPrefix, sTarget, min(min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH), nTarget)((((((nPrefix) <= (12)) ? (nPrefix) : (12))) <= (nTarget )) ? ((((nPrefix) <= (12)) ? (nPrefix) : (12))) : (nTarget ))); |
| 6102 | |
| 6103 | if(nPrefix < VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6104 | // if prefix match, check which is longer |
| 6105 | if(cmpPrefix == 0) { |
| 6106 | bitmap_set(b, i, nPrefix >= nTarget); |
| 6107 | } |
| 6108 | else { |
| 6109 | bitmap_set(b, i, cmpPrefix >= 0); |
| 6110 | } |
| 6111 | continue; |
| 6112 | } |
| 6113 | // TODO(perf): may not need to compare full text in some cases |
| 6114 | |
| 6115 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6116 | if(rc != SQLITE_OK0) { |
| 6117 | goto done; |
| 6118 | } |
| 6119 | if(nPrefix != nFull) { |
| 6120 | rc = SQLITE_ERROR1; |
| 6121 | goto done; |
| 6122 | } |
| 6123 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) >= 0); |
| 6124 | } |
| 6125 | break; |
| 6126 | } |
| 6127 | case VEC0_METADATA_OPERATOR_LE: { |
| 6128 | for(int i = 0; i < size; i++) { |
| 6129 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6130 | nPrefix = ((int*) view)[0]; |
| 6131 | sPrefix = (char *) &view[4]; |
| 6132 | int cmpPrefix = strncmp(sPrefix, sTarget, min(min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH), nTarget)((((((nPrefix) <= (12)) ? (nPrefix) : (12))) <= (nTarget )) ? ((((nPrefix) <= (12)) ? (nPrefix) : (12))) : (nTarget ))); |
| 6133 | |
| 6134 | if(nPrefix < VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6135 | // if prefix match, check which is longer |
| 6136 | if(cmpPrefix == 0) { |
| 6137 | bitmap_set(b, i, nPrefix <= nTarget); |
| 6138 | } |
| 6139 | else { |
| 6140 | bitmap_set(b, i, cmpPrefix <= 0); |
| 6141 | } |
| 6142 | continue; |
| 6143 | } |
| 6144 | // TODO(perf): may not need to compare full text in some cases |
| 6145 | |
| 6146 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6147 | if(rc != SQLITE_OK0) { |
| 6148 | goto done; |
| 6149 | } |
| 6150 | if(nPrefix != nFull) { |
| 6151 | rc = SQLITE_ERROR1; |
| 6152 | goto done; |
| 6153 | } |
| 6154 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) <= 0); |
| 6155 | } |
| 6156 | break; |
| 6157 | } |
| 6158 | case VEC0_METADATA_OPERATOR_LT: { |
| 6159 | for(int i = 0; i < size; i++) { |
| 6160 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6161 | nPrefix = ((int*) view)[0]; |
| 6162 | sPrefix = (char *) &view[4]; |
| 6163 | int cmpPrefix = strncmp(sPrefix, sTarget, min(min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH), nTarget)((((((nPrefix) <= (12)) ? (nPrefix) : (12))) <= (nTarget )) ? ((((nPrefix) <= (12)) ? (nPrefix) : (12))) : (nTarget ))); |
| 6164 | |
| 6165 | if(nPrefix < VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6166 | // if prefix match, check which is longer |
| 6167 | if(cmpPrefix == 0) { |
| 6168 | bitmap_set(b, i, nPrefix < nTarget); |
| 6169 | } |
| 6170 | else { |
| 6171 | bitmap_set(b, i, cmpPrefix < 0); |
| 6172 | } |
| 6173 | continue; |
| 6174 | } |
| 6175 | // TODO(perf): may not need to compare full text in some cases |
| 6176 | |
| 6177 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6178 | if(rc != SQLITE_OK0) { |
| 6179 | goto done; |
| 6180 | } |
| 6181 | if(nPrefix != nFull) { |
| 6182 | rc = SQLITE_ERROR1; |
| 6183 | goto done; |
| 6184 | } |
| 6185 | bitmap_set(b, i, strncmp(sFull, sTarget, nFull) < 0); |
| 6186 | } |
| 6187 | break; |
| 6188 | } |
| 6189 | |
| 6190 | case VEC0_METADATA_OPERATOR_IN: { |
| 6191 | size_t metadataInIdx = -1; |
| 6192 | for(size_t i = 0; i < aMetadataIn->length; i++) { |
| 6193 | struct Vec0MetadataIn * metadataIn = &(((struct Vec0MetadataIn *) aMetadataIn->z)[i]); |
| 6194 | if(metadataIn->argv_idx == argv_idx) { |
| 6195 | metadataInIdx = i; |
| 6196 | break; |
| 6197 | } |
| 6198 | } |
| 6199 | if(metadataInIdx < 0) { |
| 6200 | rc = SQLITE_ERROR1; |
| 6201 | goto done; |
| 6202 | } |
| 6203 | |
| 6204 | struct Vec0MetadataIn * metadataIn = &((struct Vec0MetadataIn *) aMetadataIn->z)[metadataInIdx]; |
| 6205 | struct Array * aTarget = &(metadataIn->array); |
| 6206 | |
| 6207 | |
| 6208 | int nPrefix; |
| 6209 | char * sPrefix; |
| 6210 | char *sFull; |
| 6211 | int nFull; |
| 6212 | u8 * view; |
| 6213 | for(int i = 0; i < size; i++) { |
| 6214 | view = &((u8*) buffer)[i * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 6215 | nPrefix = ((int*) view)[0]; |
| 6216 | sPrefix = (char *) &view[4]; |
| 6217 | for(size_t target_idx = 0; target_idx < aTarget->length; target_idx++) { |
| 6218 | struct Vec0MetadataInTextEntry * entry = &(((struct Vec0MetadataInTextEntry*)aTarget->z)[target_idx]); |
| 6219 | if(entry->n != nPrefix) { |
| 6220 | continue; |
| 6221 | } |
| 6222 | int cmpPrefix = strncmp(sPrefix, entry->zString, min(nPrefix, VEC0_METADATA_TEXT_VIEW_DATA_LENGTH)(((nPrefix) <= (12)) ? (nPrefix) : (12))); |
| 6223 | if(nPrefix <= VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 6224 | if(cmpPrefix == 0) { |
| 6225 | bitmap_set(b, i, 1); |
| 6226 | break; |
| 6227 | } |
| 6228 | continue; |
| 6229 | } |
| 6230 | if(cmpPrefix) { |
| 6231 | continue; |
| 6232 | } |
| 6233 | |
| 6234 | rc = vec0_get_metadata_text_long_value(p, &stmt, metadata_idx, rowids[i], &nFull, &sFull); |
| 6235 | if(rc != SQLITE_OK0) { |
| 6236 | goto done; |
| 6237 | } |
| 6238 | if(nPrefix != nFull) { |
| 6239 | rc = SQLITE_ERROR1; |
| 6240 | goto done; |
| 6241 | } |
| 6242 | if(strncmp(sFull, entry->zString, nFull) == 0) { |
| 6243 | bitmap_set(b, i, 1); |
| 6244 | break; |
| 6245 | } |
| 6246 | } |
| 6247 | } |
| 6248 | break; |
| 6249 | } |
| 6250 | |
| 6251 | } |
| 6252 | rc = SQLITE_OK0; |
| 6253 | |
| 6254 | done: |
| 6255 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 6256 | sqlite3_freesqlite3_api->free(rowids); |
| 6257 | return rc; |
| 6258 | |
| 6259 | } |
| 6260 | |
| 6261 | /** |
| 6262 | * @brief Fill in bitmap of chunk values, whether or not the values match a metadata constraint |
| 6263 | * |
| 6264 | * @param p vec0_vtab |
| 6265 | * @param metadata_idx index of the metatadata column to perfrom constraints on |
| 6266 | * @param value sqlite3_value of the constraints value |
| 6267 | * @param blob sqlite3_blob that is already opened on the metdata column's shadow chunk table |
| 6268 | * @param chunk_rowid rowid of the chunk to calculate on |
| 6269 | * @param b pre-allocated and zero'd out bitmap to write results to |
| 6270 | * @param size size of the chunk |
| 6271 | * @return int SQLITE_OK on success, error code otherwise |
| 6272 | */ |
| 6273 | int vec0_set_metadata_filter_bitmap( |
| 6274 | vec0_vtab *p, |
| 6275 | int metadata_idx, |
| 6276 | vec0_metadata_operator op, |
| 6277 | sqlite3_value * value, |
| 6278 | sqlite3_blob * blob, |
| 6279 | i64 chunk_rowid, |
| 6280 | u8* b, |
| 6281 | int size, |
| 6282 | struct Array * aMetadataIn, int argv_idx) { |
| 6283 | // TODO: shouldn't this skip in-valid entries from the chunk's validity bitmap? |
| 6284 | |
| 6285 | int rc; |
| 6286 | rc = sqlite3_blob_reopensqlite3_api->blob_reopen(blob, chunk_rowid); |
| 6287 | if(rc != SQLITE_OK0) { |
| 6288 | return rc; |
| 6289 | } |
| 6290 | |
| 6291 | vec0_metadata_column_kind kind = p->metadata_columns[metadata_idx].kind; |
| 6292 | int szMatch = 0; |
| 6293 | int blobSize = sqlite3_blob_bytessqlite3_api->blob_bytes(blob); |
| 6294 | switch(kind) { |
| 6295 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 6296 | szMatch = blobSize == size / CHAR_BIT8; |
| 6297 | break; |
| 6298 | } |
| 6299 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 6300 | szMatch = blobSize == size * sizeof(i64); |
| 6301 | break; |
| 6302 | } |
| 6303 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 6304 | szMatch = blobSize == size * sizeof(double); |
| 6305 | break; |
| 6306 | } |
| 6307 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 6308 | szMatch = blobSize == size * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16; |
| 6309 | break; |
| 6310 | } |
| 6311 | } |
| 6312 | if(!szMatch) { |
| 6313 | return SQLITE_ERROR1; |
| 6314 | } |
| 6315 | void * buffer = sqlite3_mallocsqlite3_api->malloc(blobSize); |
| 6316 | if(!buffer) { |
| 6317 | return SQLITE_NOMEM7; |
| 6318 | } |
| 6319 | rc = sqlite3_blob_readsqlite3_api->blob_read(blob, buffer, blobSize, 0); |
| 6320 | if(rc != SQLITE_OK0) { |
| 6321 | goto done; |
| 6322 | } |
| 6323 | switch(kind) { |
| 6324 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 6325 | int target = sqlite3_value_intsqlite3_api->value_int(value); |
| 6326 | if( (target && op == VEC0_METADATA_OPERATOR_EQ) || (!target && op == VEC0_METADATA_OPERATOR_NE)) { |
| 6327 | for(int i = 0; i < size; i++) { bitmap_set(b, i, bitmap_get((u8*) buffer, i)); } |
| 6328 | } |
| 6329 | else { |
| 6330 | for(int i = 0; i < size; i++) { bitmap_set(b, i, !bitmap_get((u8*) buffer, i)); } |
| 6331 | } |
| 6332 | break; |
| 6333 | } |
| 6334 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 6335 | i64 * array = (i64*) buffer; |
| 6336 | i64 target = sqlite3_value_int64sqlite3_api->value_int64(value); |
| 6337 | switch(op) { |
| 6338 | case VEC0_METADATA_OPERATOR_EQ: { |
| 6339 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] == target); } |
| 6340 | break; |
| 6341 | } |
| 6342 | case VEC0_METADATA_OPERATOR_GT: { |
| 6343 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] > target); } |
| 6344 | break; |
| 6345 | } |
| 6346 | case VEC0_METADATA_OPERATOR_LE: { |
| 6347 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] <= target); } |
| 6348 | break; |
| 6349 | } |
| 6350 | case VEC0_METADATA_OPERATOR_LT: { |
| 6351 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] < target); } |
| 6352 | break; |
| 6353 | } |
| 6354 | case VEC0_METADATA_OPERATOR_GE: { |
| 6355 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] >= target); } |
| 6356 | break; |
| 6357 | } |
| 6358 | case VEC0_METADATA_OPERATOR_NE: { |
| 6359 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] != target); } |
| 6360 | break; |
| 6361 | } |
| 6362 | case VEC0_METADATA_OPERATOR_IN: { |
| 6363 | int metadataInIdx = -1; |
| 6364 | for(size_t i = 0; i < aMetadataIn->length; i++) { |
| 6365 | struct Vec0MetadataIn * metadataIn = &((struct Vec0MetadataIn *) aMetadataIn->z)[i]; |
| 6366 | if(metadataIn->argv_idx == argv_idx) { |
| 6367 | metadataInIdx = i; |
| 6368 | break; |
| 6369 | } |
| 6370 | } |
| 6371 | if(metadataInIdx < 0) { |
| 6372 | rc = SQLITE_ERROR1; |
| 6373 | goto done; |
| 6374 | } |
| 6375 | struct Vec0MetadataIn * metadataIn = &((struct Vec0MetadataIn *) aMetadataIn->z)[metadataInIdx]; |
| 6376 | struct Array * aTarget = &(metadataIn->array); |
| 6377 | |
| 6378 | for(int i = 0; i < size; i++) { |
| 6379 | for(size_t target_idx = 0; target_idx < aTarget->length; target_idx++) { |
| 6380 | if( ((i64*)aTarget->z)[target_idx] == array[i]) { |
| 6381 | bitmap_set(b, i, 1); |
| 6382 | break; |
| 6383 | } |
| 6384 | } |
| 6385 | } |
| 6386 | break; |
| 6387 | } |
| 6388 | } |
| 6389 | break; |
| 6390 | } |
| 6391 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 6392 | double * array = (double*) buffer; |
| 6393 | double target = sqlite3_value_doublesqlite3_api->value_double(value); |
| 6394 | switch(op) { |
| 6395 | case VEC0_METADATA_OPERATOR_EQ: { |
| 6396 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] == target); } |
| 6397 | break; |
| 6398 | } |
| 6399 | case VEC0_METADATA_OPERATOR_GT: { |
| 6400 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] > target); } |
| 6401 | break; |
| 6402 | } |
| 6403 | case VEC0_METADATA_OPERATOR_LE: { |
| 6404 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] <= target); } |
| 6405 | break; |
| 6406 | } |
| 6407 | case VEC0_METADATA_OPERATOR_LT: { |
| 6408 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] < target); } |
| 6409 | break; |
| 6410 | } |
| 6411 | case VEC0_METADATA_OPERATOR_GE: { |
| 6412 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] >= target); } |
| 6413 | break; |
| 6414 | } |
| 6415 | case VEC0_METADATA_OPERATOR_NE: { |
| 6416 | for(int i = 0; i < size; i++) { bitmap_set(b, i, array[i] != target); } |
| 6417 | break; |
| 6418 | } |
| 6419 | case VEC0_METADATA_OPERATOR_IN: { |
| 6420 | // should never be reached |
| 6421 | break; |
| 6422 | } |
| 6423 | } |
| 6424 | break; |
| 6425 | } |
| 6426 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 6427 | rc = vec0_metadata_filter_text(p, value, buffer, size, op, b, metadata_idx, chunk_rowid, aMetadataIn, argv_idx); |
| 6428 | if(rc != SQLITE_OK0) { |
| 6429 | goto done; |
| 6430 | } |
| 6431 | break; |
| 6432 | } |
| 6433 | } |
| 6434 | done: |
| 6435 | sqlite3_freesqlite3_api->free(buffer); |
| 6436 | return rc; |
| 6437 | } |
| 6438 | |
| 6439 | int vec0Filter_knn_chunks_iter(vec0_vtab *p, sqlite3_stmt *stmtChunks, |
| 6440 | struct VectorColumnDefinition *vector_column, |
| 6441 | int vectorColumnIdx, struct Array *arrayRowidsIn, |
| 6442 | struct Array * aMetadataIn, |
| 6443 | const char * idxStr, int argc, sqlite3_value ** argv, |
| 6444 | void *queryVector, i64 k, i64 **out_topk_rowids, |
| 6445 | f32 **out_topk_distances, i64 *out_used) { |
| 6446 | // for each chunk, get top min(k, chunk_size) rowid + distances to query vec. |
| 6447 | // then reconcile all topk_chunks for a true top k. |
| 6448 | // output only rowids + distances for now |
| 6449 | |
| 6450 | int rc = SQLITE_OK0; |
| 6451 | sqlite3_blob *blobVectors = NULL((void*)0); |
| 6452 | |
| 6453 | void *baseVectors = NULL((void*)0); // memory: chunk_size * dimensions * element_size |
| 6454 | |
| 6455 | // OWNED BY CALLER ON SUCCESS |
| 6456 | i64 *topk_rowids = NULL((void*)0); // memory: k * 4 |
| 6457 | // OWNED BY CALLER ON SUCCESS |
| 6458 | f32 *topk_distances = NULL((void*)0); // memory: k * 4 |
| 6459 | |
| 6460 | i64 *tmp_topk_rowids = NULL((void*)0); // memory: k * 4 |
| 6461 | f32 *tmp_topk_distances = NULL((void*)0); // memory: k * 4 |
| 6462 | f32 *chunk_distances = NULL((void*)0); // memory: chunk_size * 4 |
| 6463 | u8 *b = NULL((void*)0); // memory: chunk_size / 8 |
| 6464 | u8 *bTaken = NULL((void*)0); // memory: chunk_size / 8 |
| 6465 | i32 *chunk_topk_idxs = NULL((void*)0); // memory: k * 4 |
| 6466 | u8 *bmRowids = NULL((void*)0); // memory: chunk_size / 8 |
| 6467 | u8 *bmMetadata = NULL((void*)0); // memory: chunk_size / 8 |
| 6468 | // // total: a lot??? |
| 6469 | |
| 6470 | // 6 * (k * 4) + (k * 2) + (chunk_size / 8) + (chunk_size * dimensions * 4) |
| 6471 | |
| 6472 | topk_rowids = sqlite3_mallocsqlite3_api->malloc(k * sizeof(i64)); |
| 6473 | if (!topk_rowids) { |
| 6474 | rc = SQLITE_NOMEM7; |
| 6475 | goto cleanup; |
| 6476 | } |
| 6477 | memset(topk_rowids, 0, k * sizeof(i64)); |
| 6478 | |
| 6479 | topk_distances = sqlite3_mallocsqlite3_api->malloc(k * sizeof(f32)); |
| 6480 | if (!topk_distances) { |
| 6481 | rc = SQLITE_NOMEM7; |
| 6482 | goto cleanup; |
| 6483 | } |
| 6484 | memset(topk_distances, 0, k * sizeof(f32)); |
| 6485 | |
| 6486 | tmp_topk_rowids = sqlite3_mallocsqlite3_api->malloc(k * sizeof(i64)); |
| 6487 | if (!tmp_topk_rowids) { |
| 6488 | rc = SQLITE_NOMEM7; |
| 6489 | goto cleanup; |
| 6490 | } |
| 6491 | memset(tmp_topk_rowids, 0, k * sizeof(i64)); |
| 6492 | |
| 6493 | tmp_topk_distances = sqlite3_mallocsqlite3_api->malloc(k * sizeof(f32)); |
| 6494 | if (!tmp_topk_distances) { |
| 6495 | rc = SQLITE_NOMEM7; |
| 6496 | goto cleanup; |
| 6497 | } |
| 6498 | memset(tmp_topk_distances, 0, k * sizeof(f32)); |
| 6499 | |
| 6500 | i64 k_used = 0; |
| 6501 | i64 baseVectorsSize = p->chunk_size * vector_column_byte_size(*vector_column); |
| 6502 | baseVectors = sqlite3_mallocsqlite3_api->malloc(baseVectorsSize); |
| 6503 | if (!baseVectors) { |
| 6504 | rc = SQLITE_NOMEM7; |
| 6505 | goto cleanup; |
| 6506 | } |
| 6507 | |
| 6508 | chunk_distances = sqlite3_mallocsqlite3_api->malloc(p->chunk_size * sizeof(f32)); |
| 6509 | if (!chunk_distances) { |
| 6510 | rc = SQLITE_NOMEM7; |
| 6511 | goto cleanup; |
| 6512 | } |
| 6513 | |
| 6514 | b = bitmap_new(p->chunk_size); |
| 6515 | if (!b) { |
| 6516 | rc = SQLITE_NOMEM7; |
| 6517 | goto cleanup; |
| 6518 | } |
| 6519 | |
| 6520 | bTaken = bitmap_new(p->chunk_size); |
| 6521 | if (!bTaken) { |
| 6522 | rc = SQLITE_NOMEM7; |
| 6523 | goto cleanup; |
| 6524 | } |
| 6525 | |
| 6526 | chunk_topk_idxs = sqlite3_mallocsqlite3_api->malloc(k * sizeof(i32)); |
| 6527 | if (!chunk_topk_idxs) { |
| 6528 | rc = SQLITE_NOMEM7; |
| 6529 | goto cleanup; |
| 6530 | } |
| 6531 | |
| 6532 | bmRowids = arrayRowidsIn ? bitmap_new(p->chunk_size) : NULL((void*)0); |
| 6533 | if (arrayRowidsIn && !bmRowids) { |
| 6534 | rc = SQLITE_NOMEM7; |
| 6535 | goto cleanup; |
| 6536 | } |
| 6537 | |
| 6538 | sqlite3_blob * metadataBlobs[VEC0_MAX_METADATA_COLUMNS16]; |
| 6539 | memset(metadataBlobs, 0, sizeof(sqlite3_blob*) * VEC0_MAX_METADATA_COLUMNS16); |
| 6540 | |
| 6541 | bmMetadata = bitmap_new(p->chunk_size); |
| 6542 | if(!bmMetadata) { |
| 6543 | rc = SQLITE_NOMEM7; |
| 6544 | goto cleanup; |
| 6545 | } |
| 6546 | |
| 6547 | int idxStrLength = strlen(idxStr); |
| 6548 | int numValueEntries = (idxStrLength-1) / 4; |
| 6549 | assert(numValueEntries == argc)((void) sizeof ((numValueEntries == argc) ? 1 : 0), __extension__ ({ if (numValueEntries == argc) ; else __assert_fail ("numValueEntries == argc" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 6549, __extension__ __PRETTY_FUNCTION__); })); |
| 6550 | int hasMetadataFilters = 0; |
| 6551 | for(int i = 0; i < argc; i++) { |
| 6552 | int idx = 1 + (i * 4); |
| 6553 | char kind = idxStr[idx + 0]; |
| 6554 | if(kind == VEC0_IDXSTR_KIND_METADATA_CONSTRAINT) { |
| 6555 | hasMetadataFilters = 1; |
| 6556 | break; |
| 6557 | } |
| 6558 | } |
| 6559 | |
| 6560 | while (true1) { |
| 6561 | rc = sqlite3_stepsqlite3_api->step(stmtChunks); |
| 6562 | if (rc == SQLITE_DONE101) { |
| 6563 | break; |
| 6564 | } |
| 6565 | if (rc != SQLITE_ROW100) { |
| 6566 | vtab_set_error(&p->base, "chunks iter error"); |
| 6567 | rc = SQLITE_ERROR1; |
| 6568 | goto cleanup; |
| 6569 | } |
| 6570 | memset(chunk_distances, 0, p->chunk_size * sizeof(f32)); |
| 6571 | memset(chunk_topk_idxs, 0, k * sizeof(i32)); |
| 6572 | bitmap_clear(b, p->chunk_size); |
| 6573 | |
| 6574 | i64 chunk_id = sqlite3_column_int64sqlite3_api->column_int64(stmtChunks, 0); |
| 6575 | unsigned char *chunkValidity = |
| 6576 | (unsigned char *)sqlite3_column_blobsqlite3_api->column_blob(stmtChunks, 1); |
| 6577 | i64 validitySize = sqlite3_column_bytessqlite3_api->column_bytes(stmtChunks, 1); |
| 6578 | if (validitySize != p->chunk_size / CHAR_BIT8) { |
| 6579 | // IMP: V05271_22109 |
| 6580 | vtab_set_error( |
| 6581 | &p->base, |
| 6582 | "chunk validity size doesn't match - expected %lld, found %lld", |
| 6583 | p->chunk_size / CHAR_BIT8, validitySize); |
| 6584 | rc = SQLITE_ERROR1; |
| 6585 | goto cleanup; |
| 6586 | } |
| 6587 | |
| 6588 | i64 *chunkRowids = (i64 *)sqlite3_column_blobsqlite3_api->column_blob(stmtChunks, 2); |
| 6589 | i64 rowidsSize = sqlite3_column_bytessqlite3_api->column_bytes(stmtChunks, 2); |
| 6590 | if (rowidsSize != p->chunk_size * sizeof(i64)) { |
| 6591 | // IMP: V02796_19635 |
| 6592 | vtab_set_error(&p->base, "rowids size doesn't match"); |
| 6593 | vtab_set_error( |
| 6594 | &p->base, |
| 6595 | "chunk rowids size doesn't match - expected %lld, found %lld", |
| 6596 | p->chunk_size * sizeof(i64), rowidsSize); |
| 6597 | rc = SQLITE_ERROR1; |
| 6598 | goto cleanup; |
| 6599 | } |
| 6600 | |
| 6601 | // open the vector chunk blob for the current chunk |
| 6602 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, |
| 6603 | p->shadowVectorChunksNames[vectorColumnIdx], |
| 6604 | "vectors", chunk_id, 0, &blobVectors); |
| 6605 | if (rc != SQLITE_OK0) { |
| 6606 | vtab_set_error(&p->base, "could not open vectors blob for chunk %lld", |
| 6607 | chunk_id); |
| 6608 | rc = SQLITE_ERROR1; |
| 6609 | goto cleanup; |
| 6610 | } |
| 6611 | |
| 6612 | i64 currentBaseVectorsSize = sqlite3_blob_bytessqlite3_api->blob_bytes(blobVectors); |
| 6613 | i64 expectedBaseVectorsSize = |
| 6614 | p->chunk_size * vector_column_byte_size(*vector_column); |
| 6615 | if (currentBaseVectorsSize != expectedBaseVectorsSize) { |
| 6616 | // IMP: V16465_00535 |
| 6617 | vtab_set_error( |
| 6618 | &p->base, |
| 6619 | "vectors blob size doesn't match - expected %lld, found %lld", |
| 6620 | expectedBaseVectorsSize, currentBaseVectorsSize); |
| 6621 | rc = SQLITE_ERROR1; |
| 6622 | goto cleanup; |
| 6623 | } |
| 6624 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobVectors, baseVectors, currentBaseVectorsSize, 0); |
| 6625 | |
| 6626 | if (rc != SQLITE_OK0) { |
| 6627 | vtab_set_error(&p->base, "vectors blob read error for %lld", chunk_id); |
| 6628 | rc = SQLITE_ERROR1; |
| 6629 | goto cleanup; |
| 6630 | } |
| 6631 | |
| 6632 | bitmap_copy(b, chunkValidity, p->chunk_size); |
| 6633 | if (arrayRowidsIn) { |
| 6634 | bitmap_clear(bmRowids, p->chunk_size); |
| 6635 | |
| 6636 | for (int i = 0; i < p->chunk_size; i++) { |
| 6637 | if (!bitmap_get(chunkValidity, i)) { |
| 6638 | continue; |
| 6639 | } |
| 6640 | i64 rowid = chunkRowids[i]; |
| 6641 | void *in = bsearch(&rowid, arrayRowidsIn->z, arrayRowidsIn->length, |
| 6642 | sizeof(i64), _cmp); |
| 6643 | bitmap_set(bmRowids, i, in ? 1 : 0); |
| 6644 | } |
| 6645 | bitmap_and_inplace(b, bmRowids, p->chunk_size); |
| 6646 | } |
| 6647 | |
| 6648 | if(hasMetadataFilters) { |
| 6649 | for(int i = 0; i < argc; i++) { |
| 6650 | int idx = 1 + (i * 4); |
| 6651 | char kind = idxStr[idx + 0]; |
| 6652 | if(kind != VEC0_IDXSTR_KIND_METADATA_CONSTRAINT) { |
| 6653 | continue; |
| 6654 | } |
| 6655 | int metadata_idx = idxStr[idx + 1] - 'A'; |
| 6656 | int operator = idxStr[idx + 2]; |
| 6657 | |
| 6658 | if(!metadataBlobs[metadata_idx]) { |
| 6659 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowMetadataChunksNames[metadata_idx], "data", chunk_id, 0, &metadataBlobs[metadata_idx]); |
| 6660 | vtab_set_error(&p->base, "Could not open metadata blob"); |
| 6661 | if(rc != SQLITE_OK0) { |
| 6662 | goto cleanup; |
| 6663 | } |
| 6664 | } |
| 6665 | |
| 6666 | bitmap_clear(bmMetadata, p->chunk_size); |
| 6667 | rc = vec0_set_metadata_filter_bitmap(p, metadata_idx, operator, argv[i], metadataBlobs[metadata_idx], chunk_id, bmMetadata, p->chunk_size, aMetadataIn, i); |
| 6668 | if(rc != SQLITE_OK0) { |
| 6669 | vtab_set_error(&p->base, "Could not filter metadata fields"); |
| 6670 | if(rc != SQLITE_OK0) { |
| 6671 | goto cleanup; |
| 6672 | } |
| 6673 | } |
| 6674 | bitmap_and_inplace(b, bmMetadata, p->chunk_size); |
| 6675 | } |
| 6676 | } |
| 6677 | |
| 6678 | |
| 6679 | for (int i = 0; i < p->chunk_size; i++) { |
| 6680 | if (!bitmap_get(b, i)) { |
| 6681 | continue; |
| 6682 | }; |
| 6683 | |
| 6684 | f32 result; |
| 6685 | switch (vector_column->element_type) { |
| 6686 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: { |
| 6687 | const f32 *base_i = |
| 6688 | ((f32 *)baseVectors) + (i * vector_column->dimensions); |
| 6689 | switch (vector_column->distance_metric) { |
| 6690 | case VEC0_DISTANCE_METRIC_L2: { |
| 6691 | result = distance_l2_sqr_float(base_i, (f32 *)queryVector, |
| 6692 | &vector_column->dimensions); |
| 6693 | break; |
| 6694 | } |
| 6695 | case VEC0_DISTANCE_METRIC_L1: { |
| 6696 | result = distance_l1_f32(base_i, (f32 *)queryVector, |
| 6697 | &vector_column->dimensions); |
| 6698 | break; |
| 6699 | } |
| 6700 | case VEC0_DISTANCE_METRIC_COSINE: { |
| 6701 | result = distance_cosine_float(base_i, (f32 *)queryVector, |
| 6702 | &vector_column->dimensions); |
| 6703 | break; |
| 6704 | } |
| 6705 | } |
| 6706 | break; |
| 6707 | } |
| 6708 | case SQLITE_VEC_ELEMENT_TYPE_INT8: { |
| 6709 | const i8 *base_i = |
| 6710 | ((i8 *)baseVectors) + (i * vector_column->dimensions); |
| 6711 | switch (vector_column->distance_metric) { |
| 6712 | case VEC0_DISTANCE_METRIC_L2: { |
| 6713 | result = distance_l2_sqr_int8(base_i, (i8 *)queryVector, |
| 6714 | &vector_column->dimensions); |
| 6715 | break; |
| 6716 | } |
| 6717 | case VEC0_DISTANCE_METRIC_L1: { |
| 6718 | result = distance_l1_int8(base_i, (i8 *)queryVector, |
| 6719 | &vector_column->dimensions); |
| 6720 | break; |
| 6721 | } |
| 6722 | case VEC0_DISTANCE_METRIC_COSINE: { |
| 6723 | result = distance_cosine_int8(base_i, (i8 *)queryVector, |
| 6724 | &vector_column->dimensions); |
| 6725 | break; |
| 6726 | } |
| 6727 | } |
| 6728 | |
| 6729 | break; |
| 6730 | } |
| 6731 | case SQLITE_VEC_ELEMENT_TYPE_BIT: { |
| 6732 | const u8 *base_i = |
| 6733 | ((u8 *)baseVectors) + (i * (vector_column->dimensions / CHAR_BIT8)); |
| 6734 | result = distance_hamming(base_i, (u8 *)queryVector, |
| 6735 | &vector_column->dimensions); |
| 6736 | break; |
| 6737 | } |
| 6738 | } |
| 6739 | |
| 6740 | chunk_distances[i] = result; |
| 6741 | } |
| 6742 | |
| 6743 | int used1; |
| 6744 | min_idx(chunk_distances, p->chunk_size, b, chunk_topk_idxs, |
| 6745 | min(k, p->chunk_size)(((k) <= (p->chunk_size)) ? (k) : (p->chunk_size)), bTaken, &used1); |
| 6746 | |
| 6747 | i64 used; |
| 6748 | merge_sorted_lists(topk_distances, topk_rowids, k_used, chunk_distances, |
| 6749 | chunkRowids, chunk_topk_idxs, |
| 6750 | min(min(k, p->chunk_size), used1)((((((k) <= (p->chunk_size)) ? (k) : (p->chunk_size) )) <= (used1)) ? ((((k) <= (p->chunk_size)) ? (k) : ( p->chunk_size))) : (used1)), tmp_topk_distances, |
| 6751 | tmp_topk_rowids, k, &used); |
| 6752 | |
| 6753 | for (int i = 0; i < used; i++) { |
| 6754 | topk_rowids[i] = tmp_topk_rowids[i]; |
| 6755 | topk_distances[i] = tmp_topk_distances[i]; |
| 6756 | } |
| 6757 | k_used = used; |
| 6758 | // blobVectors is always opened with read-only permissions, so this never |
| 6759 | // fails. |
| 6760 | sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 6761 | blobVectors = NULL((void*)0); |
| 6762 | } |
| 6763 | |
| 6764 | *out_topk_rowids = topk_rowids; |
| 6765 | *out_topk_distances = topk_distances; |
| 6766 | *out_used = k_used; |
| 6767 | rc = SQLITE_OK0; |
| 6768 | |
| 6769 | cleanup: |
| 6770 | if (rc != SQLITE_OK0) { |
| 6771 | sqlite3_freesqlite3_api->free(topk_rowids); |
| 6772 | sqlite3_freesqlite3_api->free(topk_distances); |
| 6773 | } |
| 6774 | sqlite3_freesqlite3_api->free(chunk_topk_idxs); |
| 6775 | sqlite3_freesqlite3_api->free(tmp_topk_rowids); |
| 6776 | sqlite3_freesqlite3_api->free(tmp_topk_distances); |
| 6777 | sqlite3_freesqlite3_api->free(b); |
| 6778 | sqlite3_freesqlite3_api->free(bTaken); |
| 6779 | sqlite3_freesqlite3_api->free(bmRowids); |
| 6780 | sqlite3_freesqlite3_api->free(baseVectors); |
| 6781 | sqlite3_freesqlite3_api->free(chunk_distances); |
| 6782 | sqlite3_freesqlite3_api->free(bmMetadata); |
| 6783 | for(int i = 0; i < VEC0_MAX_METADATA_COLUMNS16; i++) { |
| 6784 | sqlite3_blob_closesqlite3_api->blob_close(metadataBlobs[i]); |
| 6785 | } |
| 6786 | // blobVectors is always opened with read-only permissions, so this never |
| 6787 | // fails. |
| 6788 | sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 6789 | return rc; |
| 6790 | } |
| 6791 | |
| 6792 | int vec0Filter_knn(vec0_cursor *pCur, vec0_vtab *p, int idxNum, |
| 6793 | const char *idxStr, int argc, sqlite3_value **argv) { |
| 6794 | assert(argc == (strlen(idxStr)-1) / 4)((void) sizeof ((argc == (strlen(idxStr)-1) / 4) ? 1 : 0), __extension__ ({ if (argc == (strlen(idxStr)-1) / 4) ; else __assert_fail ( "argc == (strlen(idxStr)-1) / 4", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 6794, __extension__ __PRETTY_FUNCTION__); })); |
| 6795 | int rc; |
| 6796 | struct vec0_query_knn_data *knn_data; |
| 6797 | |
| 6798 | int vectorColumnIdx = idxNum; |
| 6799 | struct VectorColumnDefinition *vector_column = |
| 6800 | &p->vector_columns[vectorColumnIdx]; |
| 6801 | |
| 6802 | struct Array *arrayRowidsIn = NULL((void*)0); |
| 6803 | sqlite3_stmt *stmtChunks = NULL((void*)0); |
| 6804 | void *queryVector; |
| 6805 | size_t dimensions; |
| 6806 | enum VectorElementType elementType; |
| 6807 | vector_cleanup queryVectorCleanup = vector_cleanup_noop; |
| 6808 | char *pzError; |
| 6809 | knn_data = sqlite3_mallocsqlite3_api->malloc(sizeof(*knn_data)); |
| 6810 | if (!knn_data) { |
| 6811 | return SQLITE_NOMEM7; |
| 6812 | } |
| 6813 | memset(knn_data, 0, sizeof(*knn_data)); |
| 6814 | // array of `struct Vec0MetadataIn`, IF there are any `xxx in (...)` metadata constraints |
| 6815 | struct Array * aMetadataIn = NULL((void*)0); |
| 6816 | |
| 6817 | int query_idx =-1; |
| 6818 | int k_idx = -1; |
| 6819 | int rowid_in_idx = -1; |
| 6820 | for(int i = 0; i < argc; i++) { |
| 6821 | if(idxStr[1 + (i*4)] == VEC0_IDXSTR_KIND_KNN_MATCH) { |
| 6822 | query_idx = i; |
| 6823 | } |
| 6824 | if(idxStr[1 + (i*4)] == VEC0_IDXSTR_KIND_KNN_K) { |
| 6825 | k_idx = i; |
| 6826 | } |
| 6827 | if(idxStr[1 + (i*4)] == VEC0_IDXSTR_KIND_KNN_ROWID_IN) { |
| 6828 | rowid_in_idx = i; |
| 6829 | } |
| 6830 | } |
| 6831 | assert(query_idx >= 0)((void) sizeof ((query_idx >= 0) ? 1 : 0), __extension__ ( { if (query_idx >= 0) ; else __assert_fail ("query_idx >= 0" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 6831, __extension__ __PRETTY_FUNCTION__); })); |
| 6832 | assert(k_idx >= 0)((void) sizeof ((k_idx >= 0) ? 1 : 0), __extension__ ({ if (k_idx >= 0) ; else __assert_fail ("k_idx >= 0", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 6832, __extension__ __PRETTY_FUNCTION__); })); |
| 6833 | |
| 6834 | // make sure the query vector matches the vector column (type dimensions etc.) |
| 6835 | rc = vector_from_value(argv[query_idx], &queryVector, &dimensions, &elementType, |
| 6836 | &queryVectorCleanup, &pzError); |
| 6837 | |
| 6838 | if (rc != SQLITE_OK0) { |
| 6839 | vtab_set_error(&p->base, |
| 6840 | "Query vector on the \"%.*s\" column is invalid: %z", |
| 6841 | vector_column->name_length, vector_column->name, pzError); |
| 6842 | rc = SQLITE_ERROR1; |
| 6843 | goto cleanup; |
| 6844 | } |
| 6845 | if (elementType != vector_column->element_type) { |
| 6846 | vtab_set_error( |
| 6847 | &p->base, |
| 6848 | "Query vector for the \"%.*s\" column is expected to be of type " |
| 6849 | "%s, but a %s vector was provided.", |
| 6850 | vector_column->name_length, vector_column->name, |
| 6851 | vector_subtype_name(vector_column->element_type), |
| 6852 | vector_subtype_name(elementType)); |
| 6853 | rc = SQLITE_ERROR1; |
| 6854 | goto cleanup; |
| 6855 | } |
| 6856 | if (dimensions != vector_column->dimensions) { |
| 6857 | vtab_set_error( |
| 6858 | &p->base, |
| 6859 | "Dimension mismatch for query vector for the \"%.*s\" column. " |
| 6860 | "Expected %d dimensions but received %d.", |
| 6861 | vector_column->name_length, vector_column->name, |
| 6862 | vector_column->dimensions, dimensions); |
| 6863 | rc = SQLITE_ERROR1; |
| 6864 | goto cleanup; |
| 6865 | } |
| 6866 | |
| 6867 | i64 k = sqlite3_value_int64sqlite3_api->value_int64(argv[k_idx]); |
| 6868 | if (k < 0) { |
| 6869 | vtab_set_error( |
| 6870 | &p->base, "k value in knn queries must be greater than or equal to 0."); |
| 6871 | rc = SQLITE_ERROR1; |
| 6872 | goto cleanup; |
| 6873 | } |
| 6874 | #define SQLITE_VEC_VEC0_K_MAX4096 4096 |
| 6875 | if (k > SQLITE_VEC_VEC0_K_MAX4096) { |
| 6876 | vtab_set_error( |
| 6877 | &p->base, |
| 6878 | "k value in knn query too large, provided %lld and the limit is %lld", |
| 6879 | k, SQLITE_VEC_VEC0_K_MAX4096); |
| 6880 | rc = SQLITE_ERROR1; |
| 6881 | goto cleanup; |
| 6882 | } |
| 6883 | |
| 6884 | if (k == 0) { |
| 6885 | knn_data->k = 0; |
| 6886 | pCur->knn_data = knn_data; |
| 6887 | pCur->query_plan = VEC0_QUERY_PLAN_KNN; |
| 6888 | rc = SQLITE_OK0; |
| 6889 | goto cleanup; |
| 6890 | } |
| 6891 | |
| 6892 | // handle when a `rowid in (...)` operation was provided |
| 6893 | // Array of all the rowids that appear in any `rowid in (...)` constraint. |
| 6894 | // NULL if none were provided, which means a "full" scan. |
| 6895 | #if COMPILER_SUPPORTS_VTAB_IN1 |
| 6896 | if (rowid_in_idx >= 0) { |
| 6897 | sqlite3_value *item; |
| 6898 | int rc; |
| 6899 | arrayRowidsIn = sqlite3_mallocsqlite3_api->malloc(sizeof(*arrayRowidsIn)); |
| 6900 | if (!arrayRowidsIn) { |
| 6901 | rc = SQLITE_NOMEM7; |
Value stored to 'rc' is never read | |
| 6902 | goto cleanup; |
| 6903 | } |
| 6904 | memset(arrayRowidsIn, 0, sizeof(*arrayRowidsIn)); |
| 6905 | |
| 6906 | rc = array_init(arrayRowidsIn, sizeof(i64), 32); |
| 6907 | if (rc != SQLITE_OK0) { |
| 6908 | goto cleanup; |
| 6909 | } |
| 6910 | for (rc = sqlite3_vtab_in_firstsqlite3_api->vtab_in_first(argv[rowid_in_idx], &item); rc == SQLITE_OK0 && item; |
| 6911 | rc = sqlite3_vtab_in_nextsqlite3_api->vtab_in_next(argv[rowid_in_idx], &item)) { |
| 6912 | i64 rowid; |
| 6913 | if (p->pkIsText) { |
| 6914 | rc = vec0_rowid_from_id(p, item, &rowid); |
| 6915 | if (rc != SQLITE_OK0) { |
| 6916 | goto cleanup; |
| 6917 | } |
| 6918 | } else { |
| 6919 | rowid = sqlite3_value_int64sqlite3_api->value_int64(item); |
| 6920 | } |
| 6921 | rc = array_append(arrayRowidsIn, &rowid); |
| 6922 | if (rc != SQLITE_OK0) { |
| 6923 | goto cleanup; |
| 6924 | } |
| 6925 | } |
| 6926 | if (rc != SQLITE_DONE101) { |
| 6927 | vtab_set_error(&p->base, "error processing rowid in (...) array"); |
| 6928 | goto cleanup; |
| 6929 | } |
| 6930 | qsort(arrayRowidsIn->z, arrayRowidsIn->length, arrayRowidsIn->element_size, |
| 6931 | _cmp); |
| 6932 | } |
| 6933 | #endif |
| 6934 | |
| 6935 | #if COMPILER_SUPPORTS_VTAB_IN1 |
| 6936 | for(int i = 0; i < argc; i++) { |
| 6937 | if(!(idxStr[1 + (i*4)] == VEC0_IDXSTR_KIND_METADATA_CONSTRAINT && idxStr[1 + (i*4) + 2] == VEC0_METADATA_OPERATOR_IN)) { |
| 6938 | continue; |
| 6939 | } |
| 6940 | int metadata_idx = idxStr[1 + (i*4) + 1] - 'A'; |
| 6941 | if(!aMetadataIn) { |
| 6942 | aMetadataIn = sqlite3_mallocsqlite3_api->malloc(sizeof(*aMetadataIn)); |
| 6943 | if(!aMetadataIn) { |
| 6944 | rc = SQLITE_NOMEM7; |
| 6945 | goto cleanup; |
| 6946 | } |
| 6947 | memset(aMetadataIn, 0, sizeof(*aMetadataIn)); |
| 6948 | rc = array_init(aMetadataIn, sizeof(struct Vec0MetadataIn), 8); |
| 6949 | if(rc != SQLITE_OK0) { |
| 6950 | goto cleanup; |
| 6951 | } |
| 6952 | } |
| 6953 | |
| 6954 | struct Vec0MetadataIn item; |
| 6955 | memset(&item, 0, sizeof(item)); |
| 6956 | item.metadata_idx=metadata_idx; |
| 6957 | item.argv_idx = i; |
| 6958 | |
| 6959 | switch(p->metadata_columns[metadata_idx].kind) { |
| 6960 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 6961 | rc = array_init(&item.array, sizeof(i64), 16); |
| 6962 | if(rc != SQLITE_OK0) { |
| 6963 | goto cleanup; |
| 6964 | } |
| 6965 | sqlite3_value *entry; |
| 6966 | for (rc = sqlite3_vtab_in_firstsqlite3_api->vtab_in_first(argv[i], &entry); rc == SQLITE_OK0 && entry; rc = sqlite3_vtab_in_nextsqlite3_api->vtab_in_next(argv[i], &entry)) { |
| 6967 | i64 v = sqlite3_value_int64sqlite3_api->value_int64(entry); |
| 6968 | rc = array_append(&item.array, &v); |
| 6969 | if (rc != SQLITE_OK0) { |
| 6970 | goto cleanup; |
| 6971 | } |
| 6972 | } |
| 6973 | |
| 6974 | if (rc != SQLITE_DONE101) { |
| 6975 | vtab_set_error(&p->base, "Error fetching next value in `x in (...)` integer expression"); |
| 6976 | goto cleanup; |
| 6977 | } |
| 6978 | |
| 6979 | break; |
| 6980 | } |
| 6981 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 6982 | rc = array_init(&item.array, sizeof(struct Vec0MetadataInTextEntry), 16); |
| 6983 | if(rc != SQLITE_OK0) { |
| 6984 | goto cleanup; |
| 6985 | } |
| 6986 | sqlite3_value *entry; |
| 6987 | for (rc = sqlite3_vtab_in_firstsqlite3_api->vtab_in_first(argv[i], &entry); rc == SQLITE_OK0 && entry; rc = sqlite3_vtab_in_nextsqlite3_api->vtab_in_next(argv[i], &entry)) { |
| 6988 | const char * s = (const char *) sqlite3_value_textsqlite3_api->value_text(entry); |
| 6989 | int n = sqlite3_value_bytessqlite3_api->value_bytes(entry); |
| 6990 | |
| 6991 | struct Vec0MetadataInTextEntry entry; |
| 6992 | entry.zString = sqlite3_mprintfsqlite3_api->mprintf("%.*s", n, s); |
| 6993 | if(!entry.zString) { |
| 6994 | rc = SQLITE_NOMEM7; |
| 6995 | goto cleanup; |
| 6996 | } |
| 6997 | entry.n = n; |
| 6998 | rc = array_append(&item.array, &entry); |
| 6999 | if (rc != SQLITE_OK0) { |
| 7000 | goto cleanup; |
| 7001 | } |
| 7002 | } |
| 7003 | |
| 7004 | if (rc != SQLITE_DONE101) { |
| 7005 | vtab_set_error(&p->base, "Error fetching next value in `x in (...)` text expression"); |
| 7006 | goto cleanup; |
| 7007 | } |
| 7008 | |
| 7009 | break; |
| 7010 | } |
| 7011 | default: { |
| 7012 | vtab_set_error(&p->base, "Internal sqlite-vec error"); |
| 7013 | goto cleanup; |
| 7014 | } |
| 7015 | } |
| 7016 | |
| 7017 | rc = array_append(aMetadataIn, &item); |
| 7018 | if(rc != SQLITE_OK0) { |
| 7019 | goto cleanup; |
| 7020 | } |
| 7021 | } |
| 7022 | #endif |
| 7023 | |
| 7024 | rc = vec0_chunks_iter(p, idxStr, argc, argv, &stmtChunks); |
| 7025 | if (rc != SQLITE_OK0) { |
| 7026 | // IMP: V06942_23781 |
| 7027 | vtab_set_error(&p->base, "Error preparing stmtChunk: %s", |
| 7028 | sqlite3_errmsgsqlite3_api->errmsg(p->db)); |
| 7029 | goto cleanup; |
| 7030 | } |
| 7031 | |
| 7032 | i64 *topk_rowids = NULL((void*)0); |
| 7033 | f32 *topk_distances = NULL((void*)0); |
| 7034 | i64 k_used = 0; |
| 7035 | rc = vec0Filter_knn_chunks_iter(p, stmtChunks, vector_column, vectorColumnIdx, |
| 7036 | arrayRowidsIn, aMetadataIn, idxStr, argc, argv, queryVector, k, &topk_rowids, |
| 7037 | &topk_distances, &k_used); |
| 7038 | if (rc != SQLITE_OK0) { |
| 7039 | goto cleanup; |
| 7040 | } |
| 7041 | |
| 7042 | knn_data->current_idx = 0; |
| 7043 | knn_data->k = k; |
| 7044 | knn_data->rowids = topk_rowids; |
| 7045 | knn_data->distances = topk_distances; |
| 7046 | knn_data->k_used = k_used; |
| 7047 | |
| 7048 | pCur->knn_data = knn_data; |
| 7049 | pCur->query_plan = VEC0_QUERY_PLAN_KNN; |
| 7050 | rc = SQLITE_OK0; |
| 7051 | |
| 7052 | cleanup: |
| 7053 | sqlite3_finalizesqlite3_api->finalize(stmtChunks); |
| 7054 | array_cleanup(arrayRowidsIn); |
| 7055 | sqlite3_freesqlite3_api->free(arrayRowidsIn); |
| 7056 | queryVectorCleanup(queryVector); |
| 7057 | if(aMetadataIn) { |
| 7058 | for(size_t i = 0; i < aMetadataIn->length; i++) { |
| 7059 | struct Vec0MetadataIn* item = &((struct Vec0MetadataIn *) aMetadataIn->z)[i]; |
| 7060 | for(size_t j = 0; j < item->array.length; j++) { |
| 7061 | if(p->metadata_columns[item->metadata_idx].kind == VEC0_METADATA_COLUMN_KIND_TEXT) { |
| 7062 | struct Vec0MetadataInTextEntry entry = ((struct Vec0MetadataInTextEntry*)item->array.z)[j]; |
| 7063 | sqlite3_freesqlite3_api->free(entry.zString); |
| 7064 | } |
| 7065 | } |
| 7066 | array_cleanup(&item->array); |
| 7067 | } |
| 7068 | array_cleanup(aMetadataIn); |
| 7069 | } |
| 7070 | |
| 7071 | sqlite3_freesqlite3_api->free(aMetadataIn); |
| 7072 | |
| 7073 | return rc; |
| 7074 | } |
| 7075 | |
| 7076 | int vec0Filter_fullscan(vec0_vtab *p, vec0_cursor *pCur) { |
| 7077 | int rc; |
| 7078 | char *zSql; |
| 7079 | struct vec0_query_fullscan_data *fullscan_data; |
| 7080 | |
| 7081 | fullscan_data = sqlite3_mallocsqlite3_api->malloc(sizeof(*fullscan_data)); |
| 7082 | if (!fullscan_data) { |
| 7083 | return SQLITE_NOMEM7; |
| 7084 | } |
| 7085 | memset(fullscan_data, 0, sizeof(*fullscan_data)); |
| 7086 | |
| 7087 | zSql = sqlite3_mprintfsqlite3_api->mprintf(" SELECT rowid " |
| 7088 | " FROM " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" |
| 7089 | " ORDER by chunk_id, chunk_offset ", |
| 7090 | p->schemaName, p->tableName); |
| 7091 | if (!zSql) { |
| 7092 | rc = SQLITE_NOMEM7; |
| 7093 | goto error; |
| 7094 | } |
| 7095 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &fullscan_data->rowids_stmt, NULL((void*)0)); |
| 7096 | sqlite3_freesqlite3_api->free(zSql); |
| 7097 | if (rc != SQLITE_OK0) { |
| 7098 | // IMP: V09901_26739 |
| 7099 | vtab_set_error(&p->base, "Error preparing rowid scan: %s", |
| 7100 | sqlite3_errmsgsqlite3_api->errmsg(p->db)); |
| 7101 | goto error; |
| 7102 | } |
| 7103 | |
| 7104 | rc = sqlite3_stepsqlite3_api->step(fullscan_data->rowids_stmt); |
| 7105 | |
| 7106 | // DONE when there's no rowids, ROW when there are, both "success" |
| 7107 | if (!(rc == SQLITE_ROW100 || rc == SQLITE_DONE101)) { |
| 7108 | goto error; |
| 7109 | } |
| 7110 | |
| 7111 | fullscan_data->done = rc == SQLITE_DONE101; |
| 7112 | pCur->query_plan = VEC0_QUERY_PLAN_FULLSCAN; |
| 7113 | pCur->fullscan_data = fullscan_data; |
| 7114 | return SQLITE_OK0; |
| 7115 | |
| 7116 | error: |
| 7117 | vec0_query_fullscan_data_clear(fullscan_data); |
| 7118 | sqlite3_freesqlite3_api->free(fullscan_data); |
| 7119 | return rc; |
| 7120 | } |
| 7121 | |
| 7122 | int vec0Filter_point(vec0_cursor *pCur, vec0_vtab *p, int argc, |
| 7123 | sqlite3_value **argv) { |
| 7124 | int rc; |
| 7125 | assert(argc == 1)((void) sizeof ((argc == 1) ? 1 : 0), __extension__ ({ if (argc == 1) ; else __assert_fail ("argc == 1", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 7125, __extension__ __PRETTY_FUNCTION__); })); |
| 7126 | i64 rowid; |
| 7127 | struct vec0_query_point_data *point_data = NULL((void*)0); |
| 7128 | |
| 7129 | point_data = sqlite3_mallocsqlite3_api->malloc(sizeof(*point_data)); |
| 7130 | if (!point_data) { |
| 7131 | rc = SQLITE_NOMEM7; |
| 7132 | goto error; |
| 7133 | } |
| 7134 | memset(point_data, 0, sizeof(*point_data)); |
| 7135 | |
| 7136 | if (p->pkIsText) { |
| 7137 | rc = vec0_rowid_from_id(p, argv[0], &rowid); |
| 7138 | if (rc == SQLITE_EMPTY16) { |
| 7139 | goto eof; |
| 7140 | } |
| 7141 | if (rc != SQLITE_OK0) { |
| 7142 | goto error; |
| 7143 | } |
| 7144 | } else { |
| 7145 | rowid = sqlite3_value_int64sqlite3_api->value_int64(argv[0]); |
| 7146 | } |
| 7147 | |
| 7148 | for (int i = 0; i < p->numVectorColumns; i++) { |
| 7149 | rc = vec0_get_vector_data(p, rowid, i, &point_data->vectors[i], NULL((void*)0)); |
| 7150 | if (rc == SQLITE_EMPTY16) { |
| 7151 | goto eof; |
| 7152 | } |
| 7153 | if (rc != SQLITE_OK0) { |
| 7154 | goto error; |
| 7155 | } |
| 7156 | } |
| 7157 | |
| 7158 | point_data->rowid = rowid; |
| 7159 | point_data->done = 0; |
| 7160 | pCur->point_data = point_data; |
| 7161 | pCur->query_plan = VEC0_QUERY_PLAN_POINT; |
| 7162 | return SQLITE_OK0; |
| 7163 | |
| 7164 | eof: |
| 7165 | point_data->rowid = rowid; |
| 7166 | point_data->done = 1; |
| 7167 | pCur->point_data = point_data; |
| 7168 | pCur->query_plan = VEC0_QUERY_PLAN_POINT; |
| 7169 | return SQLITE_OK0; |
| 7170 | |
| 7171 | error: |
| 7172 | vec0_query_point_data_clear(point_data); |
| 7173 | sqlite3_freesqlite3_api->free(point_data); |
| 7174 | return rc; |
| 7175 | } |
| 7176 | |
| 7177 | static int vec0Filter(sqlite3_vtab_cursor *pVtabCursor, int idxNum, |
| 7178 | const char *idxStr, int argc, sqlite3_value **argv) { |
| 7179 | vec0_vtab *p = (vec0_vtab *)pVtabCursor->pVtab; |
| 7180 | vec0_cursor *pCur = (vec0_cursor *)pVtabCursor; |
| 7181 | vec0_cursor_clear(pCur); |
| 7182 | |
| 7183 | int idxStrLength = strlen(idxStr); |
| 7184 | if(idxStrLength <= 0) { |
| 7185 | return SQLITE_ERROR1; |
| 7186 | } |
| 7187 | if((idxStrLength-1) % 4 != 0) { |
| 7188 | return SQLITE_ERROR1; |
| 7189 | } |
| 7190 | int numValueEntries = (idxStrLength-1) / 4; |
| 7191 | if(numValueEntries != argc) { |
| 7192 | return SQLITE_ERROR1; |
| 7193 | } |
| 7194 | |
| 7195 | char query_plan = idxStr[0]; |
| 7196 | switch(query_plan) { |
| 7197 | case VEC0_QUERY_PLAN_FULLSCAN: |
| 7198 | return vec0Filter_fullscan(p, pCur); |
| 7199 | case VEC0_QUERY_PLAN_KNN: |
| 7200 | return vec0Filter_knn(pCur, p, idxNum, idxStr, argc, argv); |
| 7201 | case VEC0_QUERY_PLAN_POINT: |
| 7202 | return vec0Filter_point(pCur, p, argc, argv); |
| 7203 | default: |
| 7204 | vtab_set_error(pVtabCursor->pVtab, "unknown idxStr '%s'", idxStr); |
| 7205 | return SQLITE_ERROR1; |
| 7206 | } |
| 7207 | } |
| 7208 | |
| 7209 | static int vec0Rowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid) { |
| 7210 | vec0_cursor *pCur = (vec0_cursor *)cur; |
| 7211 | switch (pCur->query_plan) { |
| 7212 | case VEC0_QUERY_PLAN_FULLSCAN: { |
| 7213 | *pRowid = sqlite3_column_int64sqlite3_api->column_int64(pCur->fullscan_data->rowids_stmt, 0); |
| 7214 | return SQLITE_OK0; |
| 7215 | } |
| 7216 | case VEC0_QUERY_PLAN_POINT: { |
| 7217 | *pRowid = pCur->point_data->rowid; |
| 7218 | return SQLITE_OK0; |
| 7219 | } |
| 7220 | case VEC0_QUERY_PLAN_KNN: { |
| 7221 | vtab_set_error(cur->pVtab, |
| 7222 | "Internal sqlite-vec error: expected point query plan in " |
| 7223 | "vec0Rowid, found %d", |
| 7224 | pCur->query_plan); |
| 7225 | return SQLITE_ERROR1; |
| 7226 | } |
| 7227 | } |
| 7228 | return SQLITE_ERROR1; |
| 7229 | } |
| 7230 | |
| 7231 | static int vec0Next(sqlite3_vtab_cursor *cur) { |
| 7232 | vec0_cursor *pCur = (vec0_cursor *)cur; |
| 7233 | switch (pCur->query_plan) { |
| 7234 | case VEC0_QUERY_PLAN_FULLSCAN: { |
| 7235 | if (!pCur->fullscan_data) { |
| 7236 | return SQLITE_ERROR1; |
| 7237 | } |
| 7238 | int rc = sqlite3_stepsqlite3_api->step(pCur->fullscan_data->rowids_stmt); |
| 7239 | if (rc == SQLITE_DONE101) { |
| 7240 | pCur->fullscan_data->done = 1; |
| 7241 | return SQLITE_OK0; |
| 7242 | } |
| 7243 | if (rc == SQLITE_ROW100) { |
| 7244 | return SQLITE_OK0; |
| 7245 | } |
| 7246 | return SQLITE_ERROR1; |
| 7247 | } |
| 7248 | case VEC0_QUERY_PLAN_KNN: { |
| 7249 | if (!pCur->knn_data) { |
| 7250 | return SQLITE_ERROR1; |
| 7251 | } |
| 7252 | |
| 7253 | pCur->knn_data->current_idx++; |
| 7254 | return SQLITE_OK0; |
| 7255 | } |
| 7256 | case VEC0_QUERY_PLAN_POINT: { |
| 7257 | if (!pCur->point_data) { |
| 7258 | return SQLITE_ERROR1; |
| 7259 | } |
| 7260 | pCur->point_data->done = 1; |
| 7261 | return SQLITE_OK0; |
| 7262 | } |
| 7263 | } |
| 7264 | return SQLITE_ERROR1; |
| 7265 | } |
| 7266 | |
| 7267 | static int vec0Eof(sqlite3_vtab_cursor *cur) { |
| 7268 | vec0_cursor *pCur = (vec0_cursor *)cur; |
| 7269 | switch (pCur->query_plan) { |
| 7270 | case VEC0_QUERY_PLAN_FULLSCAN: { |
| 7271 | if (!pCur->fullscan_data) { |
| 7272 | return 1; |
| 7273 | } |
| 7274 | return pCur->fullscan_data->done; |
| 7275 | } |
| 7276 | case VEC0_QUERY_PLAN_KNN: { |
| 7277 | if (!pCur->knn_data) { |
| 7278 | return 1; |
| 7279 | } |
| 7280 | // return (pCur->knn_data->current_idx >= pCur->knn_data->k) || |
| 7281 | // (pCur->knn_data->distances[pCur->knn_data->current_idx] == FLT_MAX); |
| 7282 | return (pCur->knn_data->current_idx >= pCur->knn_data->k_used); |
| 7283 | } |
| 7284 | case VEC0_QUERY_PLAN_POINT: { |
| 7285 | if (!pCur->point_data) { |
| 7286 | return 1; |
| 7287 | } |
| 7288 | return pCur->point_data->done; |
| 7289 | } |
| 7290 | } |
| 7291 | return 1; |
| 7292 | } |
| 7293 | |
| 7294 | static int vec0Column_fullscan(vec0_vtab *pVtab, vec0_cursor *pCur, |
| 7295 | sqlite3_context *context, int i) { |
| 7296 | if (!pCur->fullscan_data) { |
| 7297 | sqlite3_result_errorsqlite3_api->result_error( |
| 7298 | context, "Internal sqlite-vec error: fullscan_data is NULL.", -1); |
| 7299 | return SQLITE_ERROR1; |
| 7300 | } |
| 7301 | i64 rowid = sqlite3_column_int64sqlite3_api->column_int64(pCur->fullscan_data->rowids_stmt, 0); |
| 7302 | if (i == VEC0_COLUMN_ID0) { |
| 7303 | return vec0_result_id(pVtab, context, rowid); |
| 7304 | } |
| 7305 | else if (vec0_column_idx_is_vector(pVtab, i)) { |
| 7306 | void *v; |
| 7307 | int sz; |
| 7308 | int vector_idx = vec0_column_idx_to_vector_idx(pVtab, i); |
| 7309 | int rc = vec0_get_vector_data(pVtab, rowid, vector_idx, &v, &sz); |
| 7310 | if (rc != SQLITE_OK0) { |
| 7311 | return rc; |
| 7312 | } |
| 7313 | sqlite3_result_blobsqlite3_api->result_blob(context, v, sz, sqlite3_freesqlite3_api->free); |
| 7314 | sqlite3_result_subtypesqlite3_api->result_subtype(context, |
| 7315 | pVtab->vector_columns[vector_idx].element_type); |
| 7316 | |
| 7317 | } |
| 7318 | else if (i == vec0_column_distance_idx(pVtab)) { |
| 7319 | sqlite3_result_nullsqlite3_api->result_null(context); |
| 7320 | } |
| 7321 | else if(vec0_column_idx_is_partition(pVtab, i)) { |
| 7322 | int partition_idx = vec0_column_idx_to_partition_idx(pVtab, i); |
| 7323 | sqlite3_value * v; |
| 7324 | int rc = vec0_get_partition_value_for_rowid(pVtab, rowid, partition_idx, &v); |
| 7325 | if(rc == SQLITE_OK0) { |
| 7326 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7327 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7328 | }else { |
| 7329 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7330 | } |
| 7331 | } |
| 7332 | else if(vec0_column_idx_is_auxiliary(pVtab, i)) { |
| 7333 | int auxiliary_idx = vec0_column_idx_to_auxiliary_idx(pVtab, i); |
| 7334 | sqlite3_value * v; |
| 7335 | int rc = vec0_get_auxiliary_value_for_rowid(pVtab, rowid, auxiliary_idx, &v); |
| 7336 | if(rc == SQLITE_OK0) { |
| 7337 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7338 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7339 | }else { |
| 7340 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7341 | } |
| 7342 | } |
| 7343 | |
| 7344 | else if(vec0_column_idx_is_metadata(pVtab, i)) { |
| 7345 | if(sqlite3_vtab_nochangesqlite3_api->vtab_nochange(context)) { |
| 7346 | return SQLITE_OK0; |
| 7347 | } |
| 7348 | int metadata_idx = vec0_column_idx_to_metadata_idx(pVtab, i); |
| 7349 | int rc = vec0_result_metadata_value_for_rowid(pVtab, rowid, metadata_idx, context); |
| 7350 | if(rc != SQLITE_OK0) { |
| 7351 | // IMP: V15466_32305 |
| 7352 | const char * zErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 7353 | "Could not extract metadata value for column %.*s at rowid %lld", |
| 7354 | pVtab->metadata_columns[metadata_idx].name_length, |
| 7355 | pVtab->metadata_columns[metadata_idx].name, rowid |
| 7356 | ); |
| 7357 | if(zErr) { |
| 7358 | sqlite3_result_errorsqlite3_api->result_error(context, zErr, -1); |
| 7359 | sqlite3_freesqlite3_api->free((void *) zErr); |
| 7360 | }else { |
| 7361 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 7362 | } |
| 7363 | } |
| 7364 | } |
| 7365 | |
| 7366 | return SQLITE_OK0; |
| 7367 | } |
| 7368 | |
| 7369 | static int vec0Column_point(vec0_vtab *pVtab, vec0_cursor *pCur, |
| 7370 | sqlite3_context *context, int i) { |
| 7371 | if (!pCur->point_data) { |
| 7372 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 7373 | "Internal sqlite-vec error: point_data is NULL.", -1); |
| 7374 | return SQLITE_ERROR1; |
| 7375 | } |
| 7376 | if (i == VEC0_COLUMN_ID0) { |
| 7377 | return vec0_result_id(pVtab, context, pCur->point_data->rowid); |
| 7378 | } |
| 7379 | else if (i == vec0_column_distance_idx(pVtab)) { |
| 7380 | sqlite3_result_nullsqlite3_api->result_null(context); |
| 7381 | return SQLITE_OK0; |
| 7382 | } |
| 7383 | else if (vec0_column_idx_is_vector(pVtab, i)) { |
| 7384 | if (sqlite3_vtab_nochangesqlite3_api->vtab_nochange(context)) { |
| 7385 | sqlite3_result_nullsqlite3_api->result_null(context); |
| 7386 | return SQLITE_OK0; |
| 7387 | } |
| 7388 | int vector_idx = vec0_column_idx_to_vector_idx(pVtab, i); |
| 7389 | sqlite3_result_blobsqlite3_api->result_blob( |
| 7390 | context, pCur->point_data->vectors[vector_idx], |
| 7391 | vector_column_byte_size(pVtab->vector_columns[vector_idx]), |
| 7392 | SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 7393 | sqlite3_result_subtypesqlite3_api->result_subtype(context, |
| 7394 | pVtab->vector_columns[vector_idx].element_type); |
| 7395 | return SQLITE_OK0; |
| 7396 | } |
| 7397 | else if(vec0_column_idx_is_partition(pVtab, i)) { |
| 7398 | if(sqlite3_vtab_nochangesqlite3_api->vtab_nochange(context)) { |
| 7399 | return SQLITE_OK0; |
| 7400 | } |
| 7401 | int partition_idx = vec0_column_idx_to_partition_idx(pVtab, i); |
| 7402 | i64 rowid = pCur->point_data->rowid; |
| 7403 | sqlite3_value * v; |
| 7404 | int rc = vec0_get_partition_value_for_rowid(pVtab, rowid, partition_idx, &v); |
| 7405 | if(rc == SQLITE_OK0) { |
| 7406 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7407 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7408 | }else { |
| 7409 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7410 | } |
| 7411 | } |
| 7412 | else if(vec0_column_idx_is_auxiliary(pVtab, i)) { |
| 7413 | if(sqlite3_vtab_nochangesqlite3_api->vtab_nochange(context)) { |
| 7414 | return SQLITE_OK0; |
| 7415 | } |
| 7416 | i64 rowid = pCur->point_data->rowid; |
| 7417 | int auxiliary_idx = vec0_column_idx_to_auxiliary_idx(pVtab, i); |
| 7418 | sqlite3_value * v; |
| 7419 | int rc = vec0_get_auxiliary_value_for_rowid(pVtab, rowid, auxiliary_idx, &v); |
| 7420 | if(rc == SQLITE_OK0) { |
| 7421 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7422 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7423 | }else { |
| 7424 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7425 | } |
| 7426 | } |
| 7427 | |
| 7428 | else if(vec0_column_idx_is_metadata(pVtab, i)) { |
| 7429 | if(sqlite3_vtab_nochangesqlite3_api->vtab_nochange(context)) { |
| 7430 | return SQLITE_OK0; |
| 7431 | } |
| 7432 | i64 rowid = pCur->point_data->rowid; |
| 7433 | int metadata_idx = vec0_column_idx_to_metadata_idx(pVtab, i); |
| 7434 | int rc = vec0_result_metadata_value_for_rowid(pVtab, rowid, metadata_idx, context); |
| 7435 | if(rc != SQLITE_OK0) { |
| 7436 | const char * zErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 7437 | "Could not extract metadata value for column %.*s at rowid %lld", |
| 7438 | pVtab->metadata_columns[metadata_idx].name_length, |
| 7439 | pVtab->metadata_columns[metadata_idx].name, rowid |
| 7440 | ); |
| 7441 | if(zErr) { |
| 7442 | sqlite3_result_errorsqlite3_api->result_error(context, zErr, -1); |
| 7443 | sqlite3_freesqlite3_api->free((void *) zErr); |
| 7444 | }else { |
| 7445 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 7446 | } |
| 7447 | } |
| 7448 | } |
| 7449 | |
| 7450 | return SQLITE_OK0; |
| 7451 | } |
| 7452 | |
| 7453 | static int vec0Column_knn(vec0_vtab *pVtab, vec0_cursor *pCur, |
| 7454 | sqlite3_context *context, int i) { |
| 7455 | if (!pCur->knn_data) { |
| 7456 | sqlite3_result_errorsqlite3_api->result_error(context, |
| 7457 | "Internal sqlite-vec error: knn_data is NULL.", -1); |
| 7458 | return SQLITE_ERROR1; |
| 7459 | } |
| 7460 | if (i == VEC0_COLUMN_ID0) { |
| 7461 | i64 rowid = pCur->knn_data->rowids[pCur->knn_data->current_idx]; |
| 7462 | return vec0_result_id(pVtab, context, rowid); |
| 7463 | } |
| 7464 | else if (i == vec0_column_distance_idx(pVtab)) { |
| 7465 | sqlite3_result_doublesqlite3_api->result_double( |
| 7466 | context, pCur->knn_data->distances[pCur->knn_data->current_idx]); |
| 7467 | return SQLITE_OK0; |
| 7468 | } |
| 7469 | else if (vec0_column_idx_is_vector(pVtab, i)) { |
| 7470 | void *out; |
| 7471 | int sz; |
| 7472 | int vector_idx = vec0_column_idx_to_vector_idx(pVtab, i); |
| 7473 | int rc = vec0_get_vector_data( |
| 7474 | pVtab, pCur->knn_data->rowids[pCur->knn_data->current_idx], vector_idx, |
| 7475 | &out, &sz); |
| 7476 | if (rc != SQLITE_OK0) { |
| 7477 | return rc; |
| 7478 | } |
| 7479 | sqlite3_result_blobsqlite3_api->result_blob(context, out, sz, sqlite3_freesqlite3_api->free); |
| 7480 | sqlite3_result_subtypesqlite3_api->result_subtype(context, |
| 7481 | pVtab->vector_columns[vector_idx].element_type); |
| 7482 | return SQLITE_OK0; |
| 7483 | } |
| 7484 | else if(vec0_column_idx_is_partition(pVtab, i)) { |
| 7485 | int partition_idx = vec0_column_idx_to_partition_idx(pVtab, i); |
| 7486 | i64 rowid = pCur->knn_data->rowids[pCur->knn_data->current_idx]; |
| 7487 | sqlite3_value * v; |
| 7488 | int rc = vec0_get_partition_value_for_rowid(pVtab, rowid, partition_idx, &v); |
| 7489 | if(rc == SQLITE_OK0) { |
| 7490 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7491 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7492 | }else { |
| 7493 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7494 | } |
| 7495 | } |
| 7496 | else if(vec0_column_idx_is_auxiliary(pVtab, i)) { |
| 7497 | int auxiliary_idx = vec0_column_idx_to_auxiliary_idx(pVtab, i); |
| 7498 | i64 rowid = pCur->knn_data->rowids[pCur->knn_data->current_idx]; |
| 7499 | sqlite3_value * v; |
| 7500 | int rc = vec0_get_auxiliary_value_for_rowid(pVtab, rowid, auxiliary_idx, &v); |
| 7501 | if(rc == SQLITE_OK0) { |
| 7502 | sqlite3_result_valuesqlite3_api->result_value(context, v); |
| 7503 | sqlite3_value_freesqlite3_api->value_free(v); |
| 7504 | }else { |
| 7505 | sqlite3_result_error_codesqlite3_api->result_error_code(context, rc); |
| 7506 | } |
| 7507 | } |
| 7508 | |
| 7509 | else if(vec0_column_idx_is_metadata(pVtab, i)) { |
| 7510 | int metadata_idx = vec0_column_idx_to_metadata_idx(pVtab, i); |
| 7511 | i64 rowid = pCur->knn_data->rowids[pCur->knn_data->current_idx]; |
| 7512 | int rc = vec0_result_metadata_value_for_rowid(pVtab, rowid, metadata_idx, context); |
| 7513 | if(rc != SQLITE_OK0) { |
| 7514 | const char * zErr = sqlite3_mprintfsqlite3_api->mprintf( |
| 7515 | "Could not extract metadata value for column %.*s at rowid %lld", |
| 7516 | pVtab->metadata_columns[metadata_idx].name_length, |
| 7517 | pVtab->metadata_columns[metadata_idx].name, rowid |
| 7518 | ); |
| 7519 | if(zErr) { |
| 7520 | sqlite3_result_errorsqlite3_api->result_error(context, zErr, -1); |
| 7521 | sqlite3_freesqlite3_api->free((void *) zErr); |
| 7522 | }else { |
| 7523 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 7524 | } |
| 7525 | } |
| 7526 | } |
| 7527 | |
| 7528 | return SQLITE_OK0; |
| 7529 | } |
| 7530 | |
| 7531 | static int vec0Column(sqlite3_vtab_cursor *cur, sqlite3_context *context, |
| 7532 | int i) { |
| 7533 | vec0_cursor *pCur = (vec0_cursor *)cur; |
| 7534 | vec0_vtab *pVtab = (vec0_vtab *)cur->pVtab; |
| 7535 | switch (pCur->query_plan) { |
| 7536 | case VEC0_QUERY_PLAN_FULLSCAN: { |
| 7537 | return vec0Column_fullscan(pVtab, pCur, context, i); |
| 7538 | } |
| 7539 | case VEC0_QUERY_PLAN_KNN: { |
| 7540 | return vec0Column_knn(pVtab, pCur, context, i); |
| 7541 | } |
| 7542 | case VEC0_QUERY_PLAN_POINT: { |
| 7543 | return vec0Column_point(pVtab, pCur, context, i); |
| 7544 | } |
| 7545 | } |
| 7546 | return SQLITE_OK0; |
| 7547 | } |
| 7548 | |
| 7549 | /** |
| 7550 | * @brief Handles the "insert rowid" step of a row insert operation of a vec0 |
| 7551 | * table. |
| 7552 | * |
| 7553 | * This function will insert a new row into the _rowids vec0 shadow table. |
| 7554 | * |
| 7555 | * @param p: virtual table |
| 7556 | * @param idValue: Value containing the inserted rowid/id value. |
| 7557 | * @param rowid: Output rowid, will point to the "real" i64 rowid |
| 7558 | * value that was inserted |
| 7559 | * @return int SQLITE_OK on success, error code on failure |
| 7560 | */ |
| 7561 | int vec0Update_InsertRowidStep(vec0_vtab *p, sqlite3_value *idValue, |
| 7562 | i64 *rowid) { |
| 7563 | |
| 7564 | /** |
| 7565 | * An insert into a vec0 table can happen a few different ways: |
| 7566 | * 1) With default INTEGER primary key: With a supplied i64 rowid |
| 7567 | * 2) With default INTEGER primary key: WITHOUT a supplied rowid |
| 7568 | * 3) With TEXT primary key: supplied text rowid |
| 7569 | */ |
| 7570 | |
| 7571 | int rc; |
| 7572 | |
| 7573 | // Option 3: vtab has a user-defined TEXT primary key, so ensure a text value |
| 7574 | // is provided. |
| 7575 | if (p->pkIsText) { |
| 7576 | if (sqlite3_value_typesqlite3_api->value_type(idValue) != SQLITE_TEXT3) { |
| 7577 | // IMP: V04200_21039 |
| 7578 | vtab_set_error(&p->base, |
| 7579 | "The %s virtual table was declared with a TEXT primary " |
| 7580 | "key, but a non-TEXT value was provided in an INSERT.", |
| 7581 | p->tableName); |
| 7582 | return SQLITE_ERROR1; |
| 7583 | } |
| 7584 | |
| 7585 | return vec0_rowids_insert_id(p, idValue, rowid); |
| 7586 | } |
| 7587 | |
| 7588 | // Option 1: User supplied a i64 rowid |
| 7589 | if (sqlite3_value_typesqlite3_api->value_type(idValue) == SQLITE_INTEGER1) { |
| 7590 | i64 suppliedRowid = sqlite3_value_int64sqlite3_api->value_int64(idValue); |
| 7591 | rc = vec0_rowids_insert_rowid(p, suppliedRowid); |
| 7592 | if (rc == SQLITE_OK0) { |
| 7593 | *rowid = suppliedRowid; |
| 7594 | } |
| 7595 | return rc; |
| 7596 | } |
| 7597 | |
| 7598 | // Option 2: User did not suppled a rowid |
| 7599 | |
| 7600 | if (sqlite3_value_typesqlite3_api->value_type(idValue) != SQLITE_NULL5) { |
| 7601 | // IMP: V30855_14925 |
| 7602 | vtab_set_error(&p->base, |
| 7603 | "Only integers are allows for primary key values on %s", |
| 7604 | p->tableName); |
| 7605 | return SQLITE_ERROR1; |
| 7606 | } |
| 7607 | // NULL to get next auto-incremented value |
| 7608 | return vec0_rowids_insert_id(p, NULL((void*)0), rowid); |
| 7609 | } |
| 7610 | |
| 7611 | /** |
| 7612 | * @brief Determines the "next available" chunk position for a newly inserted |
| 7613 | * vec0 row. |
| 7614 | * |
| 7615 | * This operation may insert a new "blank" chunk the _chunks table, if there is |
| 7616 | * no more space in previous chunks. |
| 7617 | * |
| 7618 | * @param p: virtual table |
| 7619 | * @param partitionKeyValues: array of partition key column values, to constrain |
| 7620 | * against any partition key columns. |
| 7621 | * @param chunk_rowid: Output rowid of the chunk in the _chunks virtual table |
| 7622 | * that has the avialabiity. |
| 7623 | * @param chunk_offset: Output the index of the available space insert the |
| 7624 | * chunk, based on the index of the first available validity bit. |
| 7625 | * @param pBlobValidity: Output blob of the validity column of the available |
| 7626 | * chunk. Will be opened with read/write permissions. |
| 7627 | * @param pValidity: Output buffer of the original chunk's validity column. |
| 7628 | * Needs to be cleaned up with sqlite3_free(). |
| 7629 | * @return int SQLITE_OK on success, error code on failure |
| 7630 | */ |
| 7631 | int vec0Update_InsertNextAvailableStep( |
| 7632 | vec0_vtab *p, |
| 7633 | sqlite3_value ** partitionKeyValues, |
| 7634 | i64 *chunk_rowid, i64 *chunk_offset, |
| 7635 | sqlite3_blob **blobChunksValidity, |
| 7636 | const unsigned char **bufferChunksValidity) { |
| 7637 | |
| 7638 | int rc; |
| 7639 | i64 validitySize; |
| 7640 | *chunk_offset = -1; |
| 7641 | |
| 7642 | rc = vec0_get_latest_chunk_rowid(p, chunk_rowid, partitionKeyValues); |
| 7643 | if(rc == SQLITE_EMPTY16) { |
| 7644 | goto done; |
| 7645 | } |
| 7646 | if (rc != SQLITE_OK0) { |
| 7647 | goto cleanup; |
| 7648 | } |
| 7649 | |
| 7650 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowChunksName, "validity", |
| 7651 | *chunk_rowid, 1, blobChunksValidity); |
| 7652 | if (rc != SQLITE_OK0) { |
| 7653 | // IMP: V22053_06123 |
| 7654 | vtab_set_error(&p->base, |
| 7655 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7656 | "could not open validity blob on %s.%s.%lld", |
| 7657 | p->schemaName, p->shadowChunksName, *chunk_rowid); |
| 7658 | goto cleanup; |
| 7659 | } |
| 7660 | |
| 7661 | validitySize = sqlite3_blob_bytessqlite3_api->blob_bytes(*blobChunksValidity); |
| 7662 | if (validitySize != p->chunk_size / CHAR_BIT8) { |
| 7663 | // IMP: V29362_13432 |
| 7664 | vtab_set_error(&p->base, |
| 7665 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7666 | "validity blob size mismatch on " |
| 7667 | "%s.%s.%lld, expected %lld but received %lld.", |
| 7668 | p->schemaName, p->shadowChunksName, *chunk_rowid, |
| 7669 | (i64)(p->chunk_size / CHAR_BIT8), validitySize); |
| 7670 | rc = SQLITE_ERROR1; |
| 7671 | goto cleanup; |
| 7672 | } |
| 7673 | |
| 7674 | *bufferChunksValidity = sqlite3_mallocsqlite3_api->malloc(validitySize); |
| 7675 | if (!(*bufferChunksValidity)) { |
| 7676 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7677 | "Could not allocate memory for validity bitmap"); |
| 7678 | rc = SQLITE_NOMEM7; |
| 7679 | goto cleanup; |
| 7680 | } |
| 7681 | |
| 7682 | rc = sqlite3_blob_readsqlite3_api->blob_read(*blobChunksValidity, (void *)*bufferChunksValidity, |
| 7683 | validitySize, 0); |
| 7684 | |
| 7685 | if (rc != SQLITE_OK0) { |
| 7686 | vtab_set_error(&p->base, |
| 7687 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7688 | "Could not read validity bitmap for %s.%s.%lld", |
| 7689 | p->schemaName, p->shadowChunksName, *chunk_rowid); |
| 7690 | goto cleanup; |
| 7691 | } |
| 7692 | |
| 7693 | // find the next available offset, ie first `0` in the bitmap. |
| 7694 | for (int i = 0; i < validitySize; i++) { |
| 7695 | if ((*bufferChunksValidity)[i] == 0b11111111) |
| 7696 | continue; |
| 7697 | for (int j = 0; j < CHAR_BIT8; j++) { |
| 7698 | if (((((*bufferChunksValidity)[i] >> j) & 1) == 0)) { |
| 7699 | *chunk_offset = (i * CHAR_BIT8) + j; |
| 7700 | goto done; |
| 7701 | } |
| 7702 | } |
| 7703 | } |
| 7704 | |
| 7705 | done: |
| 7706 | // latest chunk was full, so need to create a new one |
| 7707 | if (*chunk_offset == -1) { |
| 7708 | rc = vec0_new_chunk(p, partitionKeyValues, chunk_rowid); |
| 7709 | if (rc != SQLITE_OK0) { |
| 7710 | // IMP: V08441_25279 |
| 7711 | vtab_set_error(&p->base, |
| 7712 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " "Could not insert a new vector chunk"); |
| 7713 | rc = SQLITE_ERROR1; // otherwise raises a DatabaseError and not operational |
| 7714 | // error? |
| 7715 | goto cleanup; |
| 7716 | } |
| 7717 | *chunk_offset = 0; |
| 7718 | |
| 7719 | // blobChunksValidity and pValidity are stale, pointing to the previous |
| 7720 | // (full) chunk. to re-assign them |
| 7721 | rc = sqlite3_blob_closesqlite3_api->blob_close(*blobChunksValidity); |
| 7722 | sqlite3_freesqlite3_api->free((void *)*bufferChunksValidity); |
| 7723 | *blobChunksValidity = NULL((void*)0); |
| 7724 | *bufferChunksValidity = NULL((void*)0); |
| 7725 | if (rc != SQLITE_OK0) { |
| 7726 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7727 | "unknown error, blobChunksValidity could not be closed, " |
| 7728 | "please file an issue."); |
| 7729 | rc = SQLITE_ERROR1; |
| 7730 | goto cleanup; |
| 7731 | } |
| 7732 | |
| 7733 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowChunksName, |
| 7734 | "validity", *chunk_rowid, 1, blobChunksValidity); |
| 7735 | if (rc != SQLITE_OK0) { |
| 7736 | vtab_set_error( |
| 7737 | &p->base, |
| 7738 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7739 | "Could not open validity blob for newly created chunk %s.%s.%lld", |
| 7740 | p->schemaName, p->shadowChunksName, *chunk_rowid); |
| 7741 | goto cleanup; |
| 7742 | } |
| 7743 | validitySize = sqlite3_blob_bytessqlite3_api->blob_bytes(*blobChunksValidity); |
| 7744 | if (validitySize != p->chunk_size / CHAR_BIT8) { |
| 7745 | vtab_set_error(&p->base, |
| 7746 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7747 | "validity blob size mismatch for newly created chunk " |
| 7748 | "%s.%s.%lld. Exepcted %lld, got %lld", |
| 7749 | p->schemaName, p->shadowChunksName, *chunk_rowid, |
| 7750 | p->chunk_size / CHAR_BIT8, validitySize); |
| 7751 | goto cleanup; |
| 7752 | } |
| 7753 | *bufferChunksValidity = sqlite3_mallocsqlite3_api->malloc(validitySize); |
| 7754 | rc = sqlite3_blob_readsqlite3_api->blob_read(*blobChunksValidity, (void *)*bufferChunksValidity, |
| 7755 | validitySize, 0); |
| 7756 | if (rc != SQLITE_OK0) { |
| 7757 | vtab_set_error(&p->base, |
| 7758 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7759 | "could not read validity blob newly created chunk " |
| 7760 | "%s.%s.%lld", |
| 7761 | p->schemaName, p->shadowChunksName, *chunk_rowid); |
| 7762 | goto cleanup; |
| 7763 | } |
| 7764 | } |
| 7765 | |
| 7766 | rc = SQLITE_OK0; |
| 7767 | |
| 7768 | cleanup: |
| 7769 | return rc; |
| 7770 | } |
| 7771 | |
| 7772 | /** |
| 7773 | * @brief Write the vector data into the provided vector blob at the given |
| 7774 | * offset |
| 7775 | * |
| 7776 | * @param blobVectors SQLite BLOB to write to |
| 7777 | * @param chunk_offset the "offset" (ie validity bitmap position) to write the |
| 7778 | * vector to |
| 7779 | * @param bVector pointer to the vector containing data |
| 7780 | * @param dimensions how many dimensions the vector has |
| 7781 | * @param element_type the vector type |
| 7782 | * @return result of sqlite3_blob_write, SQLITE_OK on success, otherwise failure |
| 7783 | */ |
| 7784 | static int |
| 7785 | vec0_write_vector_to_vector_blob(sqlite3_blob *blobVectors, i64 chunk_offset, |
| 7786 | const void *bVector, size_t dimensions, |
| 7787 | enum VectorElementType element_type) { |
| 7788 | int n; |
| 7789 | int offset; |
| 7790 | |
| 7791 | switch (element_type) { |
| 7792 | case SQLITE_VEC_ELEMENT_TYPE_FLOAT32: |
| 7793 | n = dimensions * sizeof(f32); |
| 7794 | offset = chunk_offset * dimensions * sizeof(f32); |
| 7795 | break; |
| 7796 | case SQLITE_VEC_ELEMENT_TYPE_INT8: |
| 7797 | n = dimensions * sizeof(i8); |
| 7798 | offset = chunk_offset * dimensions * sizeof(i8); |
| 7799 | break; |
| 7800 | case SQLITE_VEC_ELEMENT_TYPE_BIT: |
| 7801 | n = dimensions / CHAR_BIT8; |
| 7802 | offset = chunk_offset * dimensions / CHAR_BIT8; |
| 7803 | break; |
| 7804 | } |
| 7805 | |
| 7806 | return sqlite3_blob_writesqlite3_api->blob_write(blobVectors, bVector, n, offset); |
| 7807 | } |
| 7808 | |
| 7809 | /** |
| 7810 | * @brief |
| 7811 | * |
| 7812 | * @param p vec0 virtual table |
| 7813 | * @param chunk_rowid: which chunk to write to |
| 7814 | * @param chunk_offset: the offset inside the chunk to write the vector to. |
| 7815 | * @param rowid: the rowid of the inserting row |
| 7816 | * @param vectorDatas: array of the vector data to insert |
| 7817 | * @param blobValidity: writeable validity blob of the row's assigned chunk. |
| 7818 | * @param validity: snapshot buffer of the valdity column from the row's |
| 7819 | * assigned chunk. |
| 7820 | * @return int SQLITE_OK on success, error code on failure |
| 7821 | */ |
| 7822 | int vec0Update_InsertWriteFinalStep(vec0_vtab *p, i64 chunk_rowid, |
| 7823 | i64 chunk_offset, i64 rowid, |
| 7824 | void *vectorDatas[], |
| 7825 | sqlite3_blob *blobChunksValidity, |
| 7826 | const unsigned char *bufferChunksValidity) { |
| 7827 | int rc, brc; |
| 7828 | sqlite3_blob *blobChunksRowids = NULL((void*)0); |
| 7829 | |
| 7830 | // mark the validity bit for this row in the chunk's validity bitmap |
| 7831 | // Get the byte offset of the bitmap |
| 7832 | char unsigned bx = bufferChunksValidity[chunk_offset / CHAR_BIT8]; |
| 7833 | // set the bit at the chunk_offset position inside that byte |
| 7834 | bx = bx | (1 << (chunk_offset % CHAR_BIT8)); |
| 7835 | // write that 1 byte |
| 7836 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobChunksValidity, &bx, 1, chunk_offset / CHAR_BIT8); |
| 7837 | if (rc != SQLITE_OK0) { |
| 7838 | vtab_set_error(&p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " "could not mark validity bit "); |
| 7839 | return rc; |
| 7840 | } |
| 7841 | |
| 7842 | // Go insert the vector data into the vector chunk shadow tables |
| 7843 | for (int i = 0; i < p->numVectorColumns; i++) { |
| 7844 | sqlite3_blob *blobVectors; |
| 7845 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowVectorChunksNames[i], |
| 7846 | "vectors", chunk_rowid, 1, &blobVectors); |
| 7847 | if (rc != SQLITE_OK0) { |
| 7848 | vtab_set_error(&p->base, "Error opening vector blob at %s.%s.%lld", |
| 7849 | p->schemaName, p->shadowVectorChunksNames[i], chunk_rowid); |
| 7850 | goto cleanup; |
| 7851 | } |
| 7852 | |
| 7853 | i64 expected = |
| 7854 | p->chunk_size * vector_column_byte_size(p->vector_columns[i]); |
| 7855 | i64 actual = sqlite3_blob_bytessqlite3_api->blob_bytes(blobVectors); |
| 7856 | |
| 7857 | if (actual != expected) { |
| 7858 | // IMP: V16386_00456 |
| 7859 | vtab_set_error( |
| 7860 | &p->base, |
| 7861 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7862 | "vector blob size mismatch on %s.%s.%lld. Expected %lld, actual %lld", |
| 7863 | p->schemaName, p->shadowVectorChunksNames[i], chunk_rowid, expected, |
| 7864 | actual); |
| 7865 | rc = SQLITE_ERROR1; |
| 7866 | // already error, can ignore result code |
| 7867 | sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 7868 | goto cleanup; |
| 7869 | }; |
| 7870 | |
| 7871 | rc = vec0_write_vector_to_vector_blob( |
| 7872 | blobVectors, chunk_offset, vectorDatas[i], |
| 7873 | p->vector_columns[i].dimensions, p->vector_columns[i].element_type); |
| 7874 | if (rc != SQLITE_OK0) { |
| 7875 | vtab_set_error(&p->base, |
| 7876 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7877 | "could not write vector blob on %s.%s.%lld", |
| 7878 | p->schemaName, p->shadowVectorChunksNames[i], chunk_rowid); |
| 7879 | rc = SQLITE_ERROR1; |
| 7880 | // already error, can ignore result code |
| 7881 | sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 7882 | goto cleanup; |
| 7883 | } |
| 7884 | rc = sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 7885 | if (rc != SQLITE_OK0) { |
| 7886 | vtab_set_error(&p->base, |
| 7887 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7888 | "could not close vector blob on %s.%s.%lld", |
| 7889 | p->schemaName, p->shadowVectorChunksNames[i], chunk_rowid); |
| 7890 | rc = SQLITE_ERROR1; |
| 7891 | goto cleanup; |
| 7892 | } |
| 7893 | } |
| 7894 | |
| 7895 | // write the new rowid to the rowids column of the _chunks table |
| 7896 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowChunksName, "rowids", |
| 7897 | chunk_rowid, 1, &blobChunksRowids); |
| 7898 | if (rc != SQLITE_OK0) { |
| 7899 | // IMP: V09221_26060 |
| 7900 | vtab_set_error(&p->base, |
| 7901 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " "could not open rowids blob on %s.%s.%lld", |
| 7902 | p->schemaName, p->shadowChunksName, chunk_rowid); |
| 7903 | goto cleanup; |
| 7904 | } |
| 7905 | i64 expected = p->chunk_size * sizeof(i64); |
| 7906 | i64 actual = sqlite3_blob_bytessqlite3_api->blob_bytes(blobChunksRowids); |
| 7907 | if (expected != actual) { |
| 7908 | // IMP: V12779_29618 |
| 7909 | vtab_set_error( |
| 7910 | &p->base, |
| 7911 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " |
| 7912 | "rowids blob size mismatch on %s.%s.%lld. Expected %lld, actual %lld", |
| 7913 | p->schemaName, p->shadowChunksName, chunk_rowid, expected, actual); |
| 7914 | rc = SQLITE_ERROR1; |
| 7915 | goto cleanup; |
| 7916 | } |
| 7917 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobChunksRowids, &rowid, sizeof(i64), |
| 7918 | chunk_offset * sizeof(i64)); |
| 7919 | if (rc != SQLITE_OK0) { |
| 7920 | vtab_set_error( |
| 7921 | &p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " "could not write rowids blob on %s.%s.%lld", |
| 7922 | p->schemaName, p->shadowChunksName, chunk_rowid); |
| 7923 | rc = SQLITE_ERROR1; |
| 7924 | goto cleanup; |
| 7925 | } |
| 7926 | |
| 7927 | // Now with all the vectors inserted, go back and update the _rowids table |
| 7928 | // with the new chunk_rowid/chunk_offset values |
| 7929 | rc = vec0_rowids_update_position(p, rowid, chunk_rowid, chunk_offset); |
| 7930 | |
| 7931 | cleanup: |
| 7932 | brc = sqlite3_blob_closesqlite3_api->blob_close(blobChunksRowids); |
| 7933 | if ((rc == SQLITE_OK0) && (brc != SQLITE_OK0)) { |
| 7934 | vtab_set_error( |
| 7935 | &p->base, VEC_INTERAL_ERROR"Internal sqlite-vec error: " "could not close rowids blob on %s.%s.%lld", |
| 7936 | p->schemaName, p->shadowChunksName, chunk_rowid); |
| 7937 | return brc; |
| 7938 | } |
| 7939 | return rc; |
| 7940 | } |
| 7941 | |
| 7942 | int vec0_write_metadata_value(vec0_vtab *p, int metadata_column_idx, i64 rowid, i64 chunk_id, i64 chunk_offset, sqlite3_value * v, int isupdate) { |
| 7943 | int rc; |
| 7944 | struct Vec0MetadataColumnDefinition * metadata_column = &p->metadata_columns[metadata_column_idx]; |
| 7945 | vec0_metadata_column_kind kind = metadata_column->kind; |
| 7946 | |
| 7947 | // verify input value matches column type |
| 7948 | switch(kind) { |
| 7949 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 7950 | if(sqlite3_value_typesqlite3_api->value_type(v) != SQLITE_INTEGER1 || ((sqlite3_value_intsqlite3_api->value_int(v) != 0) && (sqlite3_value_intsqlite3_api->value_int(v) != 1))) { |
| 7951 | rc = SQLITE_ERROR1; |
| 7952 | vtab_set_error(&p->base, "Expected 0 or 1 for BOOLEAN metadata column %.*s", metadata_column->name_length, metadata_column->name); |
| 7953 | goto done; |
| 7954 | } |
| 7955 | break; |
| 7956 | } |
| 7957 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 7958 | if(sqlite3_value_typesqlite3_api->value_type(v) != SQLITE_INTEGER1) { |
| 7959 | rc = SQLITE_ERROR1; |
| 7960 | vtab_set_error(&p->base, "Expected integer for INTEGER metadata column %.*s, received %s", metadata_column->name_length, metadata_column->name, type_name(sqlite3_value_typesqlite3_api->value_type(v))); |
| 7961 | goto done; |
| 7962 | } |
| 7963 | break; |
| 7964 | } |
| 7965 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 7966 | if(sqlite3_value_typesqlite3_api->value_type(v) != SQLITE_FLOAT2) { |
| 7967 | rc = SQLITE_ERROR1; |
| 7968 | vtab_set_error(&p->base, "Expected float for FLOAT metadata column %.*s, received %s", metadata_column->name_length, metadata_column->name, type_name(sqlite3_value_typesqlite3_api->value_type(v))); |
| 7969 | goto done; |
| 7970 | } |
| 7971 | break; |
| 7972 | } |
| 7973 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 7974 | if(sqlite3_value_typesqlite3_api->value_type(v) != SQLITE_TEXT3) { |
| 7975 | rc = SQLITE_ERROR1; |
| 7976 | vtab_set_error(&p->base, "Expected text for TEXT metadata column %.*s, received %s", metadata_column->name_length, metadata_column->name, type_name(sqlite3_value_typesqlite3_api->value_type(v))); |
| 7977 | goto done; |
| 7978 | } |
| 7979 | break; |
| 7980 | } |
| 7981 | } |
| 7982 | |
| 7983 | sqlite3_blob * blobValue = NULL((void*)0); |
| 7984 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowMetadataChunksNames[metadata_column_idx], "data", chunk_id, 1, &blobValue); |
| 7985 | if(rc != SQLITE_OK0) { |
| 7986 | goto done; |
| 7987 | } |
| 7988 | |
| 7989 | switch(kind) { |
| 7990 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 7991 | u8 block; |
| 7992 | int value = sqlite3_value_intsqlite3_api->value_int(v); |
| 7993 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &block, sizeof(u8), (int) (chunk_offset / CHAR_BIT8)); |
| 7994 | if(rc != SQLITE_OK0) { |
| 7995 | goto done; |
| 7996 | } |
| 7997 | |
| 7998 | if (value) { |
| 7999 | block |= 1 << (chunk_offset % CHAR_BIT8); |
| 8000 | } else { |
| 8001 | block &= ~(1 << (chunk_offset % CHAR_BIT8)); |
| 8002 | } |
| 8003 | |
| 8004 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &block, sizeof(u8), chunk_offset / CHAR_BIT8); |
| 8005 | break; |
| 8006 | } |
| 8007 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 8008 | i64 value = sqlite3_value_int64sqlite3_api->value_int64(v); |
| 8009 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &value, sizeof(value), chunk_offset * sizeof(i64)); |
| 8010 | break; |
| 8011 | } |
| 8012 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 8013 | double value = sqlite3_value_doublesqlite3_api->value_double(v); |
| 8014 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &value, sizeof(value), chunk_offset * sizeof(double)); |
| 8015 | break; |
| 8016 | } |
| 8017 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 8018 | int prev_n; |
| 8019 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &prev_n, sizeof(int), chunk_offset * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8020 | if(rc != SQLITE_OK0) { |
| 8021 | goto done; |
| 8022 | } |
| 8023 | |
| 8024 | const char * s = (const char *) sqlite3_value_textsqlite3_api->value_text(v); |
| 8025 | int n = sqlite3_value_bytessqlite3_api->value_bytes(v); |
| 8026 | u8 view[VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 8027 | memset(view, 0, VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8028 | memcpy(view, &n, sizeof(int)); |
| 8029 | memcpy(view+4, s, min(n, VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH-4)(((n) <= (16 -4)) ? (n) : (16 -4))); |
| 8030 | |
| 8031 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &view, VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16, chunk_offset * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8032 | if(n > VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 8033 | const char * zSql; |
| 8034 | |
| 8035 | if(isupdate && (prev_n > VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12)) { |
| 8036 | zSql = sqlite3_mprintfsqlite3_api->mprintf("UPDATE " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " SET data = ?2 WHERE rowid = ?1", p->schemaName, p->tableName, metadata_column_idx); |
| 8037 | }else { |
| 8038 | zSql = sqlite3_mprintfsqlite3_api->mprintf("INSERT INTO " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " (rowid, data) VALUES (?1, ?2)", p->schemaName, p->tableName, metadata_column_idx); |
| 8039 | } |
| 8040 | if(!zSql) { |
| 8041 | rc = SQLITE_NOMEM7; |
| 8042 | goto done; |
| 8043 | } |
| 8044 | sqlite3_stmt * stmt; |
| 8045 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8046 | if(rc != SQLITE_OK0) { |
| 8047 | goto done; |
| 8048 | } |
| 8049 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8050 | sqlite3_bind_textsqlite3_api->bind_text(stmt, 2, s, n, SQLITE_STATIC((sqlite3_destructor_type)0)); |
| 8051 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8052 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8053 | |
| 8054 | if(rc != SQLITE_DONE101) { |
| 8055 | rc = SQLITE_ERROR1; |
| 8056 | goto done; |
| 8057 | } |
| 8058 | } |
| 8059 | else if(prev_n > VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 8060 | const char * zSql = sqlite3_mprintfsqlite3_api->mprintf("DELETE FROM " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " WHERE rowid = ?", p->schemaName, p->tableName, metadata_column_idx); |
| 8061 | if(!zSql) { |
| 8062 | rc = SQLITE_NOMEM7; |
| 8063 | goto done; |
| 8064 | } |
| 8065 | sqlite3_stmt * stmt; |
| 8066 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8067 | if(rc != SQLITE_OK0) { |
| 8068 | goto done; |
| 8069 | } |
| 8070 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8071 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8072 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8073 | |
| 8074 | if(rc != SQLITE_DONE101) { |
| 8075 | rc = SQLITE_ERROR1; |
| 8076 | goto done; |
| 8077 | } |
| 8078 | } |
| 8079 | break; |
| 8080 | } |
| 8081 | } |
| 8082 | |
| 8083 | if(rc != SQLITE_OK0) { |
| 8084 | |
| 8085 | } |
| 8086 | rc = sqlite3_blob_closesqlite3_api->blob_close(blobValue); |
| 8087 | if(rc != SQLITE_OK0) { |
| 8088 | goto done; |
| 8089 | } |
| 8090 | |
| 8091 | done: |
| 8092 | return rc; |
| 8093 | } |
| 8094 | |
| 8095 | |
| 8096 | /** |
| 8097 | * @brief Handles INSERT INTO operations on a vec0 table. |
| 8098 | * |
| 8099 | * @return int SQLITE_OK on success, otherwise error code on failure |
| 8100 | */ |
| 8101 | int vec0Update_Insert(sqlite3_vtab *pVTab, int argc, sqlite3_value **argv, |
| 8102 | sqlite_int64 *pRowid) { |
| 8103 | UNUSED_PARAMETER(argc)(void)(argc); |
| 8104 | vec0_vtab *p = (vec0_vtab *)pVTab; |
| 8105 | int rc; |
| 8106 | // Rowid for the inserted row, deterimined by the inserted ID + _rowids shadow |
| 8107 | // table |
| 8108 | i64 rowid; |
| 8109 | |
| 8110 | // Array to hold the vector data of the inserted row. Individual elements will |
| 8111 | // have a lifetime bound to the argv[..] values. |
| 8112 | void *vectorDatas[VEC0_MAX_VECTOR_COLUMNS16]; |
| 8113 | // Array to hold cleanup functions for vectorDatas[] |
| 8114 | vector_cleanup cleanups[VEC0_MAX_VECTOR_COLUMNS16]; |
| 8115 | |
| 8116 | sqlite3_value * partitionKeyValues[VEC0_MAX_PARTITION_COLUMNS4]; |
| 8117 | |
| 8118 | // Rowid of the chunk in the _chunks shadow table that the row will be a part |
| 8119 | // of. |
| 8120 | i64 chunk_rowid; |
| 8121 | // offset within the chunk where the rowid belongs |
| 8122 | i64 chunk_offset; |
| 8123 | |
| 8124 | // a write-able blob of the validity column for the given chunk. Used to mark |
| 8125 | // validity bit |
| 8126 | sqlite3_blob *blobChunksValidity = NULL((void*)0); |
| 8127 | // buffer for the valididty column for the given chunk. Maybe not needed here? |
| 8128 | const unsigned char *bufferChunksValidity = NULL((void*)0); |
| 8129 | int numReadVectors = 0; |
| 8130 | |
| 8131 | // Read all provided partition key values into partitionKeyValues |
| 8132 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8133 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_PARTITION) { |
| 8134 | continue; |
| 8135 | } |
| 8136 | int partition_key_idx = p->user_column_idxs[i]; |
| 8137 | partitionKeyValues[partition_key_idx] = argv[2+VEC0_COLUMN_USERN_START1 + i]; |
| 8138 | |
| 8139 | int new_value_type = sqlite3_value_typesqlite3_api->value_type(partitionKeyValues[partition_key_idx]); |
| 8140 | if((new_value_type != SQLITE_NULL5) && (new_value_type != p->paritition_columns[partition_key_idx].type)) { |
| 8141 | // IMP: V11454_28292 |
| 8142 | vtab_set_error( |
| 8143 | pVTab, |
| 8144 | "Parition key type mismatch: The partition key column %.*s has type %s, but %s was provided.", |
| 8145 | p->paritition_columns[partition_key_idx].name_length, |
| 8146 | p->paritition_columns[partition_key_idx].name, |
| 8147 | type_name(p->paritition_columns[partition_key_idx].type), |
| 8148 | type_name(new_value_type) |
| 8149 | ); |
| 8150 | rc = SQLITE_ERROR1; |
| 8151 | goto cleanup; |
| 8152 | } |
| 8153 | } |
| 8154 | |
| 8155 | // read all the inserted vectors into vectorDatas, validate their lengths. |
| 8156 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8157 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_VECTOR) { |
| 8158 | continue; |
| 8159 | } |
| 8160 | int vector_column_idx = p->user_column_idxs[i]; |
| 8161 | sqlite3_value *valueVector = argv[2 + VEC0_COLUMN_USERN_START1 + i]; |
| 8162 | size_t dimensions; |
| 8163 | |
| 8164 | char *pzError; |
| 8165 | enum VectorElementType elementType; |
| 8166 | rc = vector_from_value(valueVector, &vectorDatas[vector_column_idx], &dimensions, |
| 8167 | &elementType, &cleanups[vector_column_idx], &pzError); |
| 8168 | if (rc != SQLITE_OK0) { |
| 8169 | // IMP: V06519_23358 |
| 8170 | vtab_set_error( |
| 8171 | pVTab, "Inserted vector for the \"%.*s\" column is invalid: %z", |
| 8172 | p->vector_columns[vector_column_idx].name_length, p->vector_columns[vector_column_idx].name, pzError); |
| 8173 | rc = SQLITE_ERROR1; |
| 8174 | goto cleanup; |
| 8175 | } |
| 8176 | |
| 8177 | numReadVectors++; |
| 8178 | if (elementType != p->vector_columns[vector_column_idx].element_type) { |
| 8179 | // IMP: V08221_25059 |
| 8180 | vtab_set_error( |
| 8181 | pVTab, |
| 8182 | "Inserted vector for the \"%.*s\" column is expected to be of type " |
| 8183 | "%s, but a %s vector was provided.", |
| 8184 | p->vector_columns[i].name_length, p->vector_columns[i].name, |
| 8185 | vector_subtype_name(p->vector_columns[i].element_type), |
| 8186 | vector_subtype_name(elementType)); |
| 8187 | rc = SQLITE_ERROR1; |
| 8188 | goto cleanup; |
| 8189 | } |
| 8190 | |
| 8191 | if (dimensions != p->vector_columns[vector_column_idx].dimensions) { |
| 8192 | // IMP: V01145_17984 |
| 8193 | vtab_set_error( |
| 8194 | pVTab, |
| 8195 | "Dimension mismatch for inserted vector for the \"%.*s\" column. " |
| 8196 | "Expected %d dimensions but received %d.", |
| 8197 | p->vector_columns[vector_column_idx].name_length, p->vector_columns[vector_column_idx].name, |
| 8198 | p->vector_columns[vector_column_idx].dimensions, dimensions); |
| 8199 | rc = SQLITE_ERROR1; |
| 8200 | goto cleanup; |
| 8201 | } |
| 8202 | } |
| 8203 | |
| 8204 | // Cannot insert a value in the hidden "distance" column |
| 8205 | if (sqlite3_value_typesqlite3_api->value_type(argv[2 + vec0_column_distance_idx(p)]) != |
| 8206 | SQLITE_NULL5) { |
| 8207 | // IMP: V24228_08298 |
| 8208 | vtab_set_error(pVTab, |
| 8209 | "A value was provided for the hidden \"distance\" column."); |
| 8210 | rc = SQLITE_ERROR1; |
| 8211 | goto cleanup; |
| 8212 | } |
| 8213 | // Cannot insert a value in the hidden "k" column |
| 8214 | if (sqlite3_value_typesqlite3_api->value_type(argv[2 + vec0_column_k_idx(p)]) != SQLITE_NULL5) { |
| 8215 | // IMP: V11875_28713 |
| 8216 | vtab_set_error(pVTab, "A value was provided for the hidden \"k\" column."); |
| 8217 | rc = SQLITE_ERROR1; |
| 8218 | goto cleanup; |
| 8219 | } |
| 8220 | |
| 8221 | // Step #1: Insert/get a rowid for this row, from the _rowids table. |
| 8222 | rc = vec0Update_InsertRowidStep(p, argv[2 + VEC0_COLUMN_ID0], &rowid); |
| 8223 | if (rc != SQLITE_OK0) { |
| 8224 | goto cleanup; |
| 8225 | } |
| 8226 | |
| 8227 | // Step #2: Find the next "available" position in the _chunks table for this |
| 8228 | // row. |
| 8229 | rc = vec0Update_InsertNextAvailableStep(p, partitionKeyValues, |
| 8230 | &chunk_rowid, &chunk_offset, |
| 8231 | &blobChunksValidity, |
| 8232 | &bufferChunksValidity); |
| 8233 | if (rc != SQLITE_OK0) { |
| 8234 | goto cleanup; |
| 8235 | } |
| 8236 | |
| 8237 | // Step #3: With the next available chunk position, write out all the vectors |
| 8238 | // to their specified location. |
| 8239 | rc = vec0Update_InsertWriteFinalStep(p, chunk_rowid, chunk_offset, rowid, |
| 8240 | vectorDatas, blobChunksValidity, |
| 8241 | bufferChunksValidity); |
| 8242 | if (rc != SQLITE_OK0) { |
| 8243 | goto cleanup; |
| 8244 | } |
| 8245 | |
| 8246 | if(p->numAuxiliaryColumns > 0) { |
| 8247 | sqlite3_stmt *stmt; |
| 8248 | sqlite3_str * s = sqlite3_str_newsqlite3_api->str_new(NULL((void*)0)); |
| 8249 | sqlite3_str_appendfsqlite3_api->str_appendf(s, "INSERT INTO " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" "(rowid ", p->schemaName, p->tableName); |
| 8250 | for(int i = 0; i < p->numAuxiliaryColumns; i++) { |
| 8251 | sqlite3_str_appendfsqlite3_api->str_appendf(s, ", value%02d", i); |
| 8252 | } |
| 8253 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ") VALUES (? "); |
| 8254 | for(int i = 0; i < p->numAuxiliaryColumns; i++) { |
| 8255 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ", ?"); |
| 8256 | } |
| 8257 | sqlite3_str_appendallsqlite3_api->str_appendall(s, ")"); |
| 8258 | char * zSql = sqlite3_str_finishsqlite3_api->str_finish(s); |
| 8259 | // TODO double check error handling ehre |
| 8260 | if(!zSql) { |
| 8261 | rc = SQLITE_NOMEM7; |
| 8262 | goto cleanup; |
| 8263 | } |
| 8264 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8265 | if(rc != SQLITE_OK0) { |
| 8266 | goto cleanup; |
| 8267 | } |
| 8268 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8269 | |
| 8270 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8271 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY) { |
| 8272 | continue; |
| 8273 | } |
| 8274 | int auxiliary_key_idx = p->user_column_idxs[i]; |
| 8275 | sqlite3_value * v = argv[2+VEC0_COLUMN_USERN_START1 + i]; |
| 8276 | int v_type = sqlite3_value_typesqlite3_api->value_type(v); |
| 8277 | if(v_type != SQLITE_NULL5 && (v_type != p->auxiliary_columns[auxiliary_key_idx].type)) { |
| 8278 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8279 | rc = SQLITE_CONSTRAINT19; |
| 8280 | vtab_set_error( |
| 8281 | pVTab, |
| 8282 | "Auxiliary column type mismatch: The auxiliary column %.*s has type %s, but %s was provided.", |
| 8283 | p->auxiliary_columns[auxiliary_key_idx].name_length, |
| 8284 | p->auxiliary_columns[auxiliary_key_idx].name, |
| 8285 | type_name(p->auxiliary_columns[auxiliary_key_idx].type), |
| 8286 | type_name(v_type) |
| 8287 | ); |
| 8288 | goto cleanup; |
| 8289 | } |
| 8290 | // first 1 is for 1-based indexing on sqlite3_bind_*, second 1 is to account for initial rowid parameter |
| 8291 | sqlite3_bind_valuesqlite3_api->bind_value(stmt, 1 + 1 + auxiliary_key_idx, v); |
| 8292 | } |
| 8293 | |
| 8294 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8295 | if(rc != SQLITE_DONE101) { |
| 8296 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8297 | rc = SQLITE_ERROR1; |
| 8298 | goto cleanup; |
| 8299 | } |
| 8300 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8301 | } |
| 8302 | |
| 8303 | |
| 8304 | for(int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8305 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_METADATA) { |
| 8306 | continue; |
| 8307 | } |
| 8308 | int metadata_idx = p->user_column_idxs[i]; |
| 8309 | sqlite3_value *v = argv[2 + VEC0_COLUMN_USERN_START1 + i]; |
| 8310 | rc = vec0_write_metadata_value(p, metadata_idx, rowid, chunk_rowid, chunk_offset, v, 0); |
| 8311 | if(rc != SQLITE_OK0) { |
| 8312 | goto cleanup; |
| 8313 | } |
| 8314 | } |
| 8315 | |
| 8316 | *pRowid = rowid; |
| 8317 | rc = SQLITE_OK0; |
| 8318 | |
| 8319 | cleanup: |
| 8320 | for (int i = 0; i < numReadVectors; i++) { |
| 8321 | cleanups[i](vectorDatas[i]); |
| 8322 | } |
| 8323 | sqlite3_freesqlite3_api->free((void *)bufferChunksValidity); |
| 8324 | int brc = sqlite3_blob_closesqlite3_api->blob_close(blobChunksValidity); |
| 8325 | if ((rc == SQLITE_OK0) && (brc != SQLITE_OK0)) { |
| 8326 | vtab_set_error(&p->base, |
| 8327 | VEC_INTERAL_ERROR"Internal sqlite-vec error: " "unknown error, blobChunksValidity could " |
| 8328 | "not be closed, please file an issue"); |
| 8329 | return brc; |
| 8330 | } |
| 8331 | return rc; |
| 8332 | } |
| 8333 | |
| 8334 | int vec0Update_Delete_ClearValidity(vec0_vtab *p, i64 chunk_id, |
| 8335 | u64 chunk_offset) { |
| 8336 | int rc, brc; |
| 8337 | sqlite3_blob *blobChunksValidity = NULL((void*)0); |
| 8338 | char unsigned bx; |
| 8339 | int validityOffset = chunk_offset / CHAR_BIT8; |
| 8340 | |
| 8341 | // 2. ensure chunks.validity bit is 1, then set to 0 |
| 8342 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowChunksName, "validity", |
| 8343 | chunk_id, 1, &blobChunksValidity); |
| 8344 | if (rc != SQLITE_OK0) { |
| 8345 | // IMP: V26002_10073 |
| 8346 | vtab_set_error(&p->base, "could not open validity blob for %s.%s.%lld", |
| 8347 | p->schemaName, p->shadowChunksName, chunk_id); |
| 8348 | return SQLITE_ERROR1; |
| 8349 | } |
| 8350 | // will skip the sqlite3_blob_bytes(blobChunksValidity) check for now, |
| 8351 | // the read below would catch it |
| 8352 | |
| 8353 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobChunksValidity, &bx, sizeof(bx), validityOffset); |
| 8354 | if (rc != SQLITE_OK0) { |
| 8355 | // IMP: V21193_05263 |
| 8356 | vtab_set_error( |
| 8357 | &p->base, "could not read validity blob for %s.%s.%lld at %d", |
| 8358 | p->schemaName, p->shadowChunksName, chunk_id, validityOffset); |
| 8359 | goto cleanup; |
| 8360 | } |
| 8361 | if (!(bx >> (chunk_offset % CHAR_BIT8))) { |
| 8362 | // IMP: V21193_05263 |
| 8363 | rc = SQLITE_ERROR1; |
| 8364 | vtab_set_error( |
| 8365 | &p->base, |
| 8366 | "vec0 deletion error: validity bit is not set for %s.%s.%lld at %d", |
| 8367 | p->schemaName, p->shadowChunksName, chunk_id, validityOffset); |
| 8368 | goto cleanup; |
| 8369 | } |
| 8370 | char unsigned mask = ~(1 << (chunk_offset % CHAR_BIT8)); |
| 8371 | char result = bx & mask; |
| 8372 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobChunksValidity, &result, sizeof(bx), |
| 8373 | validityOffset); |
| 8374 | if (rc != SQLITE_OK0) { |
| 8375 | vtab_set_error( |
| 8376 | &p->base, "could not write to validity blob for %s.%s.%lld at %d", |
| 8377 | p->schemaName, p->shadowChunksName, chunk_id, validityOffset); |
| 8378 | goto cleanup; |
| 8379 | } |
| 8380 | |
| 8381 | cleanup: |
| 8382 | |
| 8383 | brc = sqlite3_blob_closesqlite3_api->blob_close(blobChunksValidity); |
| 8384 | if (rc != SQLITE_OK0) |
| 8385 | return rc; |
| 8386 | if (brc != SQLITE_OK0) { |
| 8387 | vtab_set_error(&p->base, |
| 8388 | "vec0 deletion error: Error commiting validity blob " |
| 8389 | "transaction on %s.%s.%lld at %d", |
| 8390 | p->schemaName, p->shadowChunksName, chunk_id, |
| 8391 | validityOffset); |
| 8392 | return brc; |
| 8393 | } |
| 8394 | return SQLITE_OK0; |
| 8395 | } |
| 8396 | |
| 8397 | int vec0Update_Delete_DeleteRowids(vec0_vtab *p, i64 rowid) { |
| 8398 | int rc; |
| 8399 | sqlite3_stmt *stmt = NULL((void*)0); |
| 8400 | |
| 8401 | char *zSql = |
| 8402 | sqlite3_mprintfsqlite3_api->mprintf("DELETE FROM " VEC0_SHADOW_ROWIDS_NAME"\"%w\".\"%w_rowids\"" " WHERE rowid = ?", |
| 8403 | p->schemaName, p->tableName); |
| 8404 | if (!zSql) { |
| 8405 | return SQLITE_NOMEM7; |
| 8406 | } |
| 8407 | |
| 8408 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8409 | sqlite3_freesqlite3_api->free(zSql); |
| 8410 | if (rc != SQLITE_OK0) { |
| 8411 | goto cleanup; |
| 8412 | } |
| 8413 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8414 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8415 | if (rc != SQLITE_DONE101) { |
| 8416 | goto cleanup; |
| 8417 | } |
| 8418 | rc = SQLITE_OK0; |
| 8419 | |
| 8420 | cleanup: |
| 8421 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8422 | return rc; |
| 8423 | } |
| 8424 | |
| 8425 | int vec0Update_Delete_DeleteAux(vec0_vtab *p, i64 rowid) { |
| 8426 | int rc; |
| 8427 | sqlite3_stmt *stmt = NULL((void*)0); |
| 8428 | |
| 8429 | char *zSql = |
| 8430 | sqlite3_mprintfsqlite3_api->mprintf("DELETE FROM " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" " WHERE rowid = ?", |
| 8431 | p->schemaName, p->tableName); |
| 8432 | if (!zSql) { |
| 8433 | return SQLITE_NOMEM7; |
| 8434 | } |
| 8435 | |
| 8436 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8437 | sqlite3_freesqlite3_api->free(zSql); |
| 8438 | if (rc != SQLITE_OK0) { |
| 8439 | goto cleanup; |
| 8440 | } |
| 8441 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8442 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8443 | if (rc != SQLITE_DONE101) { |
| 8444 | goto cleanup; |
| 8445 | } |
| 8446 | rc = SQLITE_OK0; |
| 8447 | |
| 8448 | cleanup: |
| 8449 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8450 | return rc; |
| 8451 | } |
| 8452 | |
| 8453 | int vec0Update_Delete_ClearMetadata(vec0_vtab *p, int metadata_idx, i64 rowid, i64 chunk_id, |
| 8454 | u64 chunk_offset) { |
| 8455 | int rc; |
| 8456 | sqlite3_blob * blobValue; |
| 8457 | vec0_metadata_column_kind kind = p->metadata_columns[metadata_idx].kind; |
| 8458 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowMetadataChunksNames[metadata_idx], "data", chunk_id, 1, &blobValue); |
| 8459 | if(rc != SQLITE_OK0) { |
| 8460 | return rc; |
| 8461 | } |
| 8462 | |
| 8463 | switch(kind) { |
| 8464 | case VEC0_METADATA_COLUMN_KIND_BOOLEAN: { |
| 8465 | u8 block; |
| 8466 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &block, sizeof(u8), (int) (chunk_offset / CHAR_BIT8)); |
| 8467 | if(rc != SQLITE_OK0) { |
| 8468 | goto done; |
| 8469 | } |
| 8470 | |
| 8471 | block &= ~(1 << (chunk_offset % CHAR_BIT8)); |
| 8472 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &block, sizeof(u8), chunk_offset / CHAR_BIT8); |
| 8473 | break; |
| 8474 | } |
| 8475 | case VEC0_METADATA_COLUMN_KIND_INTEGER: { |
| 8476 | i64 v = 0; |
| 8477 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &v, sizeof(v), chunk_offset * sizeof(i64)); |
| 8478 | break; |
| 8479 | } |
| 8480 | case VEC0_METADATA_COLUMN_KIND_FLOAT: { |
| 8481 | double v = 0; |
| 8482 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &v, sizeof(v), chunk_offset * sizeof(double)); |
| 8483 | break; |
| 8484 | } |
| 8485 | case VEC0_METADATA_COLUMN_KIND_TEXT: { |
| 8486 | int n; |
| 8487 | rc = sqlite3_blob_readsqlite3_api->blob_read(blobValue, &n, sizeof(int), chunk_offset * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8488 | if(rc != SQLITE_OK0) { |
| 8489 | goto done; |
| 8490 | } |
| 8491 | |
| 8492 | u8 view[VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16]; |
| 8493 | memset(view, 0, VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8494 | rc = sqlite3_blob_writesqlite3_api->blob_write(blobValue, &view, sizeof(view), chunk_offset * VEC0_METADATA_TEXT_VIEW_BUFFER_LENGTH16); |
| 8495 | if(rc != SQLITE_OK0) { |
| 8496 | goto done; |
| 8497 | } |
| 8498 | |
| 8499 | if(n > VEC0_METADATA_TEXT_VIEW_DATA_LENGTH12) { |
| 8500 | const char * zSql = sqlite3_mprintfsqlite3_api->mprintf("DELETE FROM " VEC0_SHADOW_METADATA_TEXT_DATA_NAME"\"%w\".\"%w_metadatatext%02d\"" " WHERE rowid = ?", p->schemaName, p->tableName, metadata_idx); |
| 8501 | if(!zSql) { |
| 8502 | rc = SQLITE_NOMEM7; |
| 8503 | goto done; |
| 8504 | } |
| 8505 | sqlite3_stmt * stmt; |
| 8506 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8507 | if(rc != SQLITE_OK0) { |
| 8508 | goto done; |
| 8509 | } |
| 8510 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 1, rowid); |
| 8511 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8512 | if(rc != SQLITE_DONE101) { |
| 8513 | rc = SQLITE_ERROR1; |
| 8514 | goto done; |
| 8515 | } |
| 8516 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8517 | } |
| 8518 | break; |
| 8519 | } |
| 8520 | } |
| 8521 | int rc2; |
| 8522 | done: |
| 8523 | rc2 = sqlite3_blob_closesqlite3_api->blob_close(blobValue); |
| 8524 | if(rc == SQLITE_OK0) { |
| 8525 | return rc2; |
| 8526 | } |
| 8527 | return rc; |
| 8528 | } |
| 8529 | |
| 8530 | int vec0Update_Delete(sqlite3_vtab *pVTab, sqlite3_value *idValue) { |
| 8531 | vec0_vtab *p = (vec0_vtab *)pVTab; |
| 8532 | int rc; |
| 8533 | i64 rowid; |
| 8534 | i64 chunk_id; |
| 8535 | i64 chunk_offset; |
| 8536 | |
| 8537 | if (p->pkIsText) { |
| 8538 | rc = vec0_rowid_from_id(p, idValue, &rowid); |
| 8539 | if (rc != SQLITE_OK0) { |
| 8540 | return rc; |
| 8541 | } |
| 8542 | } else { |
| 8543 | rowid = sqlite3_value_int64sqlite3_api->value_int64(idValue); |
| 8544 | } |
| 8545 | |
| 8546 | // 1. Find chunk position for given rowid |
| 8547 | // 2. Ensure that validity bit for position is 1, then set to 0 |
| 8548 | // 3. Zero out rowid in chunks.rowid |
| 8549 | // 4. Zero out vector data in all vector column chunks |
| 8550 | // 5. Delete value in _rowids table |
| 8551 | |
| 8552 | // 1. get chunk_id and chunk_offset from _rowids |
| 8553 | rc = vec0_get_chunk_position(p, rowid, NULL((void*)0), &chunk_id, &chunk_offset); |
| 8554 | if (rc != SQLITE_OK0) { |
| 8555 | return rc; |
| 8556 | } |
| 8557 | |
| 8558 | rc = vec0Update_Delete_ClearValidity(p, chunk_id, chunk_offset); |
| 8559 | if (rc != SQLITE_OK0) { |
| 8560 | return rc; |
| 8561 | } |
| 8562 | |
| 8563 | // 3. zero out rowid in chunks.rowids |
| 8564 | // https://github.com/asg017/sqlite-vec/issues/54 |
| 8565 | |
| 8566 | // 4. zero out any data in vector chunks tables |
| 8567 | // https://github.com/asg017/sqlite-vec/issues/54 |
| 8568 | |
| 8569 | // 5. delete from _rowids table |
| 8570 | rc = vec0Update_Delete_DeleteRowids(p, rowid); |
| 8571 | if (rc != SQLITE_OK0) { |
| 8572 | return rc; |
| 8573 | } |
| 8574 | |
| 8575 | // 6. delete any auxiliary rows |
| 8576 | if(p->numAuxiliaryColumns > 0) { |
| 8577 | rc = vec0Update_Delete_DeleteAux(p, rowid); |
| 8578 | if (rc != SQLITE_OK0) { |
| 8579 | return rc; |
| 8580 | } |
| 8581 | } |
| 8582 | |
| 8583 | // 6. delete metadata |
| 8584 | for(int i = 0; i < p->numMetadataColumns; i++) { |
| 8585 | rc = vec0Update_Delete_ClearMetadata(p, i, rowid, chunk_id, chunk_offset); |
| 8586 | } |
| 8587 | |
| 8588 | return SQLITE_OK0; |
| 8589 | } |
| 8590 | |
| 8591 | int vec0Update_UpdateAuxColumn(vec0_vtab *p, int auxiliary_column_idx, sqlite3_value * value, i64 rowid) { |
| 8592 | int rc; |
| 8593 | sqlite3_stmt *stmt; |
| 8594 | const char * zSql = sqlite3_mprintfsqlite3_api->mprintf("UPDATE " VEC0_SHADOW_AUXILIARY_NAME"\"%w\".\"%w_auxiliary\"" " SET value%02d = ? WHERE rowid = ?", p->schemaName, p->tableName, auxiliary_column_idx); |
| 8595 | if(!zSql) { |
| 8596 | return SQLITE_NOMEM7; |
| 8597 | } |
| 8598 | rc = sqlite3_prepare_v2sqlite3_api->prepare_v2(p->db, zSql, -1, &stmt, NULL((void*)0)); |
| 8599 | if(rc != SQLITE_OK0) { |
| 8600 | return rc; |
| 8601 | } |
| 8602 | sqlite3_bind_valuesqlite3_api->bind_value(stmt, 1, value); |
| 8603 | sqlite3_bind_int64sqlite3_api->bind_int64(stmt, 2, rowid); |
| 8604 | rc = sqlite3_stepsqlite3_api->step(stmt); |
| 8605 | if(rc != SQLITE_DONE101) { |
| 8606 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8607 | return SQLITE_ERROR1; |
| 8608 | } |
| 8609 | sqlite3_finalizesqlite3_api->finalize(stmt); |
| 8610 | return SQLITE_OK0; |
| 8611 | } |
| 8612 | |
| 8613 | int vec0Update_UpdateVectorColumn(vec0_vtab *p, i64 chunk_id, i64 chunk_offset, |
| 8614 | int i, sqlite3_value *valueVector) { |
| 8615 | int rc; |
| 8616 | |
| 8617 | sqlite3_blob *blobVectors = NULL((void*)0); |
| 8618 | |
| 8619 | char *pzError; |
| 8620 | size_t dimensions; |
| 8621 | enum VectorElementType elementType; |
| 8622 | void *vector; |
| 8623 | vector_cleanup cleanup = vector_cleanup_noop; |
| 8624 | // https://github.com/asg017/sqlite-vec/issues/53 |
| 8625 | rc = vector_from_value(valueVector, &vector, &dimensions, &elementType, |
| 8626 | &cleanup, &pzError); |
| 8627 | if (rc != SQLITE_OK0) { |
| 8628 | // IMP: V15203_32042 |
| 8629 | vtab_set_error( |
| 8630 | &p->base, "Updated vector for the \"%.*s\" column is invalid: %z", |
| 8631 | p->vector_columns[i].name_length, p->vector_columns[i].name, pzError); |
| 8632 | rc = SQLITE_ERROR1; |
| 8633 | goto cleanup; |
| 8634 | } |
| 8635 | if (elementType != p->vector_columns[i].element_type) { |
| 8636 | // IMP: V03643_20481 |
| 8637 | vtab_set_error( |
| 8638 | &p->base, |
| 8639 | "Updated vector for the \"%.*s\" column is expected to be of type " |
| 8640 | "%s, but a %s vector was provided.", |
| 8641 | p->vector_columns[i].name_length, p->vector_columns[i].name, |
| 8642 | vector_subtype_name(p->vector_columns[i].element_type), |
| 8643 | vector_subtype_name(elementType)); |
| 8644 | rc = SQLITE_ERROR1; |
| 8645 | goto cleanup; |
| 8646 | } |
| 8647 | if (dimensions != p->vector_columns[i].dimensions) { |
| 8648 | // IMP: V25739_09810 |
| 8649 | vtab_set_error( |
| 8650 | &p->base, |
| 8651 | "Dimension mismatch for new updated vector for the \"%.*s\" column. " |
| 8652 | "Expected %d dimensions but received %d.", |
| 8653 | p->vector_columns[i].name_length, p->vector_columns[i].name, |
| 8654 | p->vector_columns[i].dimensions, dimensions); |
| 8655 | rc = SQLITE_ERROR1; |
| 8656 | goto cleanup; |
| 8657 | } |
| 8658 | |
| 8659 | rc = sqlite3_blob_opensqlite3_api->blob_open(p->db, p->schemaName, p->shadowVectorChunksNames[i], |
| 8660 | "vectors", chunk_id, 1, &blobVectors); |
| 8661 | if (rc != SQLITE_OK0) { |
| 8662 | vtab_set_error(&p->base, "Could not open vectors blob for %s.%s.%lld", |
| 8663 | p->schemaName, p->shadowVectorChunksNames[i], chunk_id); |
| 8664 | goto cleanup; |
| 8665 | } |
| 8666 | rc = vec0_write_vector_to_vector_blob(blobVectors, chunk_offset, vector, |
| 8667 | p->vector_columns[i].dimensions, |
| 8668 | p->vector_columns[i].element_type); |
| 8669 | if (rc != SQLITE_OK0) { |
| 8670 | vtab_set_error(&p->base, "Could not write to vectors blob for %s.%s.%lld", |
| 8671 | p->schemaName, p->shadowVectorChunksNames[i], chunk_id); |
| 8672 | goto cleanup; |
| 8673 | } |
| 8674 | |
| 8675 | cleanup: |
| 8676 | cleanup(vector); |
| 8677 | int brc = sqlite3_blob_closesqlite3_api->blob_close(blobVectors); |
| 8678 | if (rc != SQLITE_OK0) { |
| 8679 | return rc; |
| 8680 | } |
| 8681 | if (brc != SQLITE_OK0) { |
| 8682 | vtab_set_error( |
| 8683 | &p->base, |
| 8684 | "Could not commit blob transaction for vectors blob for %s.%s.%lld", |
| 8685 | p->schemaName, p->shadowVectorChunksNames[i], chunk_id); |
| 8686 | return brc; |
| 8687 | } |
| 8688 | return SQLITE_OK0; |
| 8689 | } |
| 8690 | |
| 8691 | int vec0Update_Update(sqlite3_vtab *pVTab, int argc, sqlite3_value **argv) { |
| 8692 | UNUSED_PARAMETER(argc)(void)(argc); |
| 8693 | vec0_vtab *p = (vec0_vtab *)pVTab; |
| 8694 | int rc; |
| 8695 | i64 chunk_id; |
| 8696 | i64 chunk_offset; |
| 8697 | |
| 8698 | i64 rowid; |
| 8699 | if (p->pkIsText) { |
| 8700 | const char *a = (const char *)sqlite3_value_textsqlite3_api->value_text(argv[0]); |
| 8701 | const char *b = (const char *)sqlite3_value_textsqlite3_api->value_text(argv[1]); |
| 8702 | // IMP: V08886_25725 |
| 8703 | if ((sqlite3_value_bytessqlite3_api->value_bytes(argv[0]) != sqlite3_value_bytessqlite3_api->value_bytes(argv[1])) || |
| 8704 | strncmp(a, b, sqlite3_value_bytessqlite3_api->value_bytes(argv[0])) != 0) { |
| 8705 | vtab_set_error(pVTab, |
| 8706 | "UPDATEs on vec0 primary key values are not allowed."); |
| 8707 | return SQLITE_ERROR1; |
| 8708 | } |
| 8709 | rc = vec0_rowid_from_id(p, argv[0], &rowid); |
| 8710 | if (rc != SQLITE_OK0) { |
| 8711 | return rc; |
| 8712 | } |
| 8713 | } else { |
| 8714 | rowid = sqlite3_value_int64sqlite3_api->value_int64(argv[0]); |
| 8715 | } |
| 8716 | |
| 8717 | // 1) get chunk_id and chunk_offset from _rowids |
| 8718 | rc = vec0_get_chunk_position(p, rowid, NULL((void*)0), &chunk_id, &chunk_offset); |
| 8719 | if (rc != SQLITE_OK0) { |
| 8720 | return rc; |
| 8721 | } |
| 8722 | |
| 8723 | // 2) update any partition key values |
| 8724 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8725 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_PARTITION) { |
| 8726 | continue; |
| 8727 | } |
| 8728 | sqlite3_value * value = argv[2+VEC0_COLUMN_USERN_START1 + i]; |
| 8729 | if(sqlite3_value_nochangesqlite3_api->value_nochange(value)) { |
| 8730 | continue; |
| 8731 | } |
| 8732 | vtab_set_error(pVTab, "UPDATE on partition key columns are not supported yet. "); |
| 8733 | return SQLITE_ERROR1; |
| 8734 | } |
| 8735 | |
| 8736 | // 3) handle auxiliary column updates |
| 8737 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8738 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_AUXILIARY) { |
| 8739 | continue; |
| 8740 | } |
| 8741 | int auxiliary_column_idx = p->user_column_idxs[i]; |
| 8742 | sqlite3_value * value = argv[2+VEC0_COLUMN_USERN_START1 + i]; |
| 8743 | if(sqlite3_value_nochangesqlite3_api->value_nochange(value)) { |
| 8744 | continue; |
| 8745 | } |
| 8746 | rc = vec0Update_UpdateAuxColumn(p, auxiliary_column_idx, value, rowid); |
| 8747 | if(rc != SQLITE_OK0) { |
| 8748 | return SQLITE_ERROR1; |
| 8749 | } |
| 8750 | } |
| 8751 | |
| 8752 | // 4) handle metadata column updates |
| 8753 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8754 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_METADATA) { |
| 8755 | continue; |
| 8756 | } |
| 8757 | int metadata_column_idx = p->user_column_idxs[i]; |
| 8758 | sqlite3_value * value = argv[2+VEC0_COLUMN_USERN_START1 + i]; |
| 8759 | if(sqlite3_value_nochangesqlite3_api->value_nochange(value)) { |
| 8760 | continue; |
| 8761 | } |
| 8762 | rc = vec0_write_metadata_value(p, metadata_column_idx, rowid, chunk_id, chunk_offset, value, 1); |
| 8763 | if(rc != SQLITE_OK0) { |
| 8764 | return rc; |
| 8765 | } |
| 8766 | } |
| 8767 | |
| 8768 | // 5) iterate over all new vectors, update the vectors |
| 8769 | for (int i = 0; i < vec0_num_defined_user_columns(p); i++) { |
| 8770 | if(p->user_column_kinds[i] != SQLITE_VEC0_USER_COLUMN_KIND_VECTOR) { |
| 8771 | continue; |
| 8772 | } |
| 8773 | int vector_idx = p->user_column_idxs[i]; |
| 8774 | sqlite3_value *valueVector = argv[2 + VEC0_COLUMN_USERN_START1 + i]; |
| 8775 | // in vec0Column, we check sqlite3_vtab_nochange() on vector columns. |
| 8776 | // If the vector column isn't being changed, we return NULL; |
| 8777 | // That's not great, that means vector columns can never be NULLABLE |
| 8778 | // (bc we cant distinguish if an updated vector is truly NULL or nochange). |
| 8779 | // Also it means that if someone tries to run `UPDATE v SET X = NULL`, |
| 8780 | // we can't effectively detect and raise an error. |
| 8781 | // A better solution would be to use a custom result_type for "empty", |
| 8782 | // but subtypes don't appear to survive xColumn -> xUpdate, it's always 0. |
| 8783 | // So for now, we'll just use NULL and warn people to not SET X = NULL |
| 8784 | // in the docs. |
| 8785 | if (sqlite3_value_typesqlite3_api->value_type(valueVector) == SQLITE_NULL5) { |
| 8786 | continue; |
| 8787 | } |
| 8788 | |
| 8789 | rc = vec0Update_UpdateVectorColumn(p, chunk_id, chunk_offset, vector_idx, |
| 8790 | valueVector); |
| 8791 | if (rc != SQLITE_OK0) { |
| 8792 | return SQLITE_ERROR1; |
| 8793 | } |
| 8794 | } |
| 8795 | |
| 8796 | return SQLITE_OK0; |
| 8797 | } |
| 8798 | |
| 8799 | static int vec0Update(sqlite3_vtab *pVTab, int argc, sqlite3_value **argv, |
| 8800 | sqlite_int64 *pRowid) { |
| 8801 | // DELETE operation |
| 8802 | if (argc == 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) != SQLITE_NULL5) { |
| 8803 | return vec0Update_Delete(pVTab, argv[0]); |
| 8804 | } |
| 8805 | // INSERT operation |
| 8806 | else if (argc > 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) == SQLITE_NULL5) { |
| 8807 | return vec0Update_Insert(pVTab, argc, argv, pRowid); |
| 8808 | } |
| 8809 | // UPDATE operation |
| 8810 | else if (argc > 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) != SQLITE_NULL5) { |
| 8811 | return vec0Update_Update(pVTab, argc, argv); |
| 8812 | } else { |
| 8813 | vtab_set_error(pVTab, "Unrecognized xUpdate operation provided for vec0."); |
| 8814 | return SQLITE_ERROR1; |
| 8815 | } |
| 8816 | } |
| 8817 | |
| 8818 | static int vec0ShadowName(const char *zName) { |
| 8819 | static const char *azName[] = { |
| 8820 | "rowids", "chunks", "auxiliary", "info", |
| 8821 | |
| 8822 | // Up to VEC0_MAX_METADATA_COLUMNS |
| 8823 | // TODO be smarter about this man |
| 8824 | "metadatachunks00", |
| 8825 | "metadatachunks01", |
| 8826 | "metadatachunks02", |
| 8827 | "metadatachunks03", |
| 8828 | "metadatachunks04", |
| 8829 | "metadatachunks05", |
| 8830 | "metadatachunks06", |
| 8831 | "metadatachunks07", |
| 8832 | "metadatachunks08", |
| 8833 | "metadatachunks09", |
| 8834 | "metadatachunks10", |
| 8835 | "metadatachunks11", |
| 8836 | "metadatachunks12", |
| 8837 | "metadatachunks13", |
| 8838 | "metadatachunks14", |
| 8839 | "metadatachunks15", |
| 8840 | |
| 8841 | // Up to |
| 8842 | "metadatatext00", |
| 8843 | "metadatatext01", |
| 8844 | "metadatatext02", |
| 8845 | "metadatatext03", |
| 8846 | "metadatatext04", |
| 8847 | "metadatatext05", |
| 8848 | "metadatatext06", |
| 8849 | "metadatatext07", |
| 8850 | "metadatatext08", |
| 8851 | "metadatatext09", |
| 8852 | "metadatatext10", |
| 8853 | "metadatatext11", |
| 8854 | "metadatatext12", |
| 8855 | "metadatatext13", |
| 8856 | "metadatatext14", |
| 8857 | "metadatatext15", |
| 8858 | }; |
| 8859 | |
| 8860 | for (size_t i = 0; i < sizeof(azName) / sizeof(azName[0]); i++) { |
| 8861 | if (sqlite3_stricmpsqlite3_api->stricmp(zName, azName[i]) == 0) |
| 8862 | return 1; |
| 8863 | } |
| 8864 | //for(size_t i = 0; i < )"vector_chunks", "metadatachunks" |
| 8865 | return 0; |
| 8866 | } |
| 8867 | |
| 8868 | static int vec0Begin(sqlite3_vtab *pVTab) { |
| 8869 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 8870 | return SQLITE_OK0; |
| 8871 | } |
| 8872 | static int vec0Sync(sqlite3_vtab *pVTab) { |
| 8873 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 8874 | vec0_vtab *p = (vec0_vtab *)pVTab; |
| 8875 | if (p->stmtLatestChunk) { |
| 8876 | sqlite3_finalizesqlite3_api->finalize(p->stmtLatestChunk); |
| 8877 | p->stmtLatestChunk = NULL((void*)0); |
| 8878 | } |
| 8879 | if (p->stmtRowidsInsertRowid) { |
| 8880 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsInsertRowid); |
| 8881 | p->stmtRowidsInsertRowid = NULL((void*)0); |
| 8882 | } |
| 8883 | if (p->stmtRowidsInsertId) { |
| 8884 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsInsertId); |
| 8885 | p->stmtRowidsInsertId = NULL((void*)0); |
| 8886 | } |
| 8887 | if (p->stmtRowidsUpdatePosition) { |
| 8888 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsUpdatePosition); |
| 8889 | p->stmtRowidsUpdatePosition = NULL((void*)0); |
| 8890 | } |
| 8891 | if (p->stmtRowidsGetChunkPosition) { |
| 8892 | sqlite3_finalizesqlite3_api->finalize(p->stmtRowidsGetChunkPosition); |
| 8893 | p->stmtRowidsGetChunkPosition = NULL((void*)0); |
| 8894 | } |
| 8895 | return SQLITE_OK0; |
| 8896 | } |
| 8897 | static int vec0Commit(sqlite3_vtab *pVTab) { |
| 8898 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 8899 | return SQLITE_OK0; |
| 8900 | } |
| 8901 | static int vec0Rollback(sqlite3_vtab *pVTab) { |
| 8902 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 8903 | return SQLITE_OK0; |
| 8904 | } |
| 8905 | |
| 8906 | static sqlite3_module vec0Module = { |
| 8907 | /* iVersion */ 3, |
| 8908 | /* xCreate */ vec0Create, |
| 8909 | /* xConnect */ vec0Connect, |
| 8910 | /* xBestIndex */ vec0BestIndex, |
| 8911 | /* xDisconnect */ vec0Disconnect, |
| 8912 | /* xDestroy */ vec0Destroy, |
| 8913 | /* xOpen */ vec0Open, |
| 8914 | /* xClose */ vec0Close, |
| 8915 | /* xFilter */ vec0Filter, |
| 8916 | /* xNext */ vec0Next, |
| 8917 | /* xEof */ vec0Eof, |
| 8918 | /* xColumn */ vec0Column, |
| 8919 | /* xRowid */ vec0Rowid, |
| 8920 | /* xUpdate */ vec0Update, |
| 8921 | /* xBegin */ vec0Begin, |
| 8922 | /* xSync */ vec0Sync, |
| 8923 | /* xCommit */ vec0Commit, |
| 8924 | /* xRollback */ vec0Rollback, |
| 8925 | /* xFindFunction */ 0, |
| 8926 | /* xRename */ 0, // https://github.com/asg017/sqlite-vec/issues/43 |
| 8927 | /* xSavepoint */ 0, |
| 8928 | /* xRelease */ 0, |
| 8929 | /* xRollbackTo */ 0, |
| 8930 | /* xShadowName */ vec0ShadowName, |
| 8931 | #if SQLITE_VERSION_NUMBER3050001 >= 3044000 |
| 8932 | /* xIntegrity */ 0, // https://github.com/asg017/sqlite-vec/issues/44 |
| 8933 | #endif |
| 8934 | }; |
| 8935 | #pragma endregion |
| 8936 | |
| 8937 | static char *POINTER_NAME_STATIC_BLOB_DEF = "vec0-static_blob_def"; |
| 8938 | struct static_blob_definition { |
| 8939 | void *p; |
| 8940 | size_t dimensions; |
| 8941 | size_t nvectors; |
| 8942 | enum VectorElementType element_type; |
| 8943 | }; |
| 8944 | static void vec_static_blob_from_raw(sqlite3_context *context, int argc, |
| 8945 | sqlite3_value **argv) { |
| 8946 | |
| 8947 | assert(argc == 4)((void) sizeof ((argc == 4) ? 1 : 0), __extension__ ({ if (argc == 4) ; else __assert_fail ("argc == 4", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 8947, __extension__ __PRETTY_FUNCTION__); })); |
| 8948 | struct static_blob_definition *p; |
| 8949 | p = sqlite3_mallocsqlite3_api->malloc(sizeof(*p)); |
| 8950 | if (!p) { |
| 8951 | sqlite3_result_error_nomemsqlite3_api->result_error_nomem(context); |
| 8952 | return; |
| 8953 | } |
| 8954 | memset(p, 0, sizeof(*p)); |
| 8955 | p->p = (void *)sqlite3_value_int64sqlite3_api->value_int64(argv[0]); |
| 8956 | p->element_type = SQLITE_VEC_ELEMENT_TYPE_FLOAT32; |
| 8957 | p->dimensions = sqlite3_value_int64sqlite3_api->value_int64(argv[2]); |
| 8958 | p->nvectors = sqlite3_value_int64sqlite3_api->value_int64(argv[3]); |
| 8959 | sqlite3_result_pointersqlite3_api->result_pointer(context, p, POINTER_NAME_STATIC_BLOB_DEF, |
| 8960 | sqlite3_freesqlite3_api->free); |
| 8961 | } |
| 8962 | #pragma region vec_static_blobs() table function |
| 8963 | |
| 8964 | #define MAX_STATIC_BLOBS16 16 |
| 8965 | |
| 8966 | typedef struct static_blob static_blob; |
| 8967 | struct static_blob { |
| 8968 | char *name; |
| 8969 | void *p; |
| 8970 | size_t dimensions; |
| 8971 | size_t nvectors; |
| 8972 | enum VectorElementType element_type; |
| 8973 | }; |
| 8974 | |
| 8975 | typedef struct vec_static_blob_data vec_static_blob_data; |
| 8976 | struct vec_static_blob_data { |
| 8977 | static_blob static_blobs[MAX_STATIC_BLOBS16]; |
| 8978 | }; |
| 8979 | |
| 8980 | typedef struct vec_static_blobs_vtab vec_static_blobs_vtab; |
| 8981 | struct vec_static_blobs_vtab { |
| 8982 | sqlite3_vtab base; |
| 8983 | vec_static_blob_data *data; |
| 8984 | }; |
| 8985 | |
| 8986 | typedef struct vec_static_blobs_cursor vec_static_blobs_cursor; |
| 8987 | struct vec_static_blobs_cursor { |
| 8988 | sqlite3_vtab_cursor base; |
| 8989 | sqlite3_int64 iRowid; |
| 8990 | }; |
| 8991 | |
| 8992 | static int vec_static_blobsConnect(sqlite3 *db, void *pAux, int argc, |
| 8993 | const char *const *argv, |
| 8994 | sqlite3_vtab **ppVtab, char **pzErr) { |
| 8995 | UNUSED_PARAMETER(argc)(void)(argc); |
| 8996 | UNUSED_PARAMETER(argv)(void)(argv); |
| 8997 | UNUSED_PARAMETER(pzErr)(void)(pzErr); |
| 8998 | |
| 8999 | vec_static_blobs_vtab *pNew; |
| 9000 | #define VEC_STATIC_BLOBS_NAME0 0 |
| 9001 | #define VEC_STATIC_BLOBS_DATA1 1 |
| 9002 | #define VEC_STATIC_BLOBS_DIMENSIONS2 2 |
| 9003 | #define VEC_STATIC_BLOBS_COUNT3 3 |
| 9004 | int rc = sqlite3_declare_vtabsqlite3_api->declare_vtab( |
| 9005 | db, "CREATE TABLE x(name, data, dimensions hidden, count hidden)"); |
| 9006 | if (rc == SQLITE_OK0) { |
| 9007 | pNew = sqlite3_mallocsqlite3_api->malloc(sizeof(*pNew)); |
| 9008 | *ppVtab = (sqlite3_vtab *)pNew; |
| 9009 | if (pNew == 0) |
| 9010 | return SQLITE_NOMEM7; |
| 9011 | memset(pNew, 0, sizeof(*pNew)); |
| 9012 | pNew->data = pAux; |
| 9013 | } |
| 9014 | return rc; |
| 9015 | } |
| 9016 | |
| 9017 | static int vec_static_blobsDisconnect(sqlite3_vtab *pVtab) { |
| 9018 | vec_static_blobs_vtab *p = (vec_static_blobs_vtab *)pVtab; |
| 9019 | sqlite3_freesqlite3_api->free(p); |
| 9020 | return SQLITE_OK0; |
| 9021 | } |
| 9022 | |
| 9023 | static int vec_static_blobsUpdate(sqlite3_vtab *pVTab, int argc, |
| 9024 | sqlite3_value **argv, sqlite_int64 *pRowid) { |
| 9025 | UNUSED_PARAMETER(pRowid)(void)(pRowid); |
| 9026 | vec_static_blobs_vtab *p = (vec_static_blobs_vtab *)pVTab; |
| 9027 | // DELETE operation |
| 9028 | if (argc == 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) != SQLITE_NULL5) { |
| 9029 | return SQLITE_ERROR1; |
| 9030 | } |
| 9031 | // INSERT operation |
| 9032 | else if (argc > 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) == SQLITE_NULL5) { |
| 9033 | const char *key = |
| 9034 | (const char *)sqlite3_value_textsqlite3_api->value_text(argv[2 + VEC_STATIC_BLOBS_NAME0]); |
| 9035 | int idx = -1; |
| 9036 | for (int i = 0; i < MAX_STATIC_BLOBS16; i++) { |
| 9037 | if (!p->data->static_blobs[i].name) { |
| 9038 | p->data->static_blobs[i].name = sqlite3_mprintfsqlite3_api->mprintf("%s", key); |
| 9039 | idx = i; |
| 9040 | break; |
| 9041 | } |
| 9042 | } |
| 9043 | if (idx < 0) |
| 9044 | abort(); |
| 9045 | struct static_blob_definition *def = sqlite3_value_pointersqlite3_api->value_pointer( |
| 9046 | argv[2 + VEC_STATIC_BLOBS_DATA1], POINTER_NAME_STATIC_BLOB_DEF); |
| 9047 | p->data->static_blobs[idx].p = def->p; |
| 9048 | p->data->static_blobs[idx].dimensions = def->dimensions; |
| 9049 | p->data->static_blobs[idx].nvectors = def->nvectors; |
| 9050 | p->data->static_blobs[idx].element_type = def->element_type; |
| 9051 | |
| 9052 | return SQLITE_OK0; |
| 9053 | } |
| 9054 | // UPDATE operation |
| 9055 | else if (argc > 1 && sqlite3_value_typesqlite3_api->value_type(argv[0]) != SQLITE_NULL5) { |
| 9056 | return SQLITE_ERROR1; |
| 9057 | } |
| 9058 | return SQLITE_ERROR1; |
| 9059 | } |
| 9060 | |
| 9061 | static int vec_static_blobsOpen(sqlite3_vtab *p, |
| 9062 | sqlite3_vtab_cursor **ppCursor) { |
| 9063 | UNUSED_PARAMETER(p)(void)(p); |
| 9064 | vec_static_blobs_cursor *pCur; |
| 9065 | pCur = sqlite3_mallocsqlite3_api->malloc(sizeof(*pCur)); |
| 9066 | if (pCur == 0) |
| 9067 | return SQLITE_NOMEM7; |
| 9068 | memset(pCur, 0, sizeof(*pCur)); |
| 9069 | *ppCursor = &pCur->base; |
| 9070 | return SQLITE_OK0; |
| 9071 | } |
| 9072 | |
| 9073 | static int vec_static_blobsClose(sqlite3_vtab_cursor *cur) { |
| 9074 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)cur; |
| 9075 | sqlite3_freesqlite3_api->free(pCur); |
| 9076 | return SQLITE_OK0; |
| 9077 | } |
| 9078 | |
| 9079 | static int vec_static_blobsBestIndex(sqlite3_vtab *pVTab, |
| 9080 | sqlite3_index_info *pIdxInfo) { |
| 9081 | UNUSED_PARAMETER(pVTab)(void)(pVTab); |
| 9082 | pIdxInfo->idxNum = 1; |
| 9083 | pIdxInfo->estimatedCost = (double)10; |
| 9084 | pIdxInfo->estimatedRows = 10; |
| 9085 | return SQLITE_OK0; |
| 9086 | } |
| 9087 | |
| 9088 | static int vec_static_blobsNext(sqlite3_vtab_cursor *cur); |
| 9089 | static int vec_static_blobsFilter(sqlite3_vtab_cursor *pVtabCursor, int idxNum, |
| 9090 | const char *idxStr, int argc, |
| 9091 | sqlite3_value **argv) { |
| 9092 | UNUSED_PARAMETER(idxNum)(void)(idxNum); |
| 9093 | UNUSED_PARAMETER(idxStr)(void)(idxStr); |
| 9094 | UNUSED_PARAMETER(argc)(void)(argc); |
| 9095 | UNUSED_PARAMETER(argv)(void)(argv); |
| 9096 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)pVtabCursor; |
| 9097 | pCur->iRowid = -1; |
| 9098 | vec_static_blobsNext(pVtabCursor); |
| 9099 | return SQLITE_OK0; |
| 9100 | } |
| 9101 | |
| 9102 | static int vec_static_blobsRowid(sqlite3_vtab_cursor *cur, |
| 9103 | sqlite_int64 *pRowid) { |
| 9104 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)cur; |
| 9105 | *pRowid = pCur->iRowid; |
| 9106 | return SQLITE_OK0; |
| 9107 | } |
| 9108 | |
| 9109 | static int vec_static_blobsNext(sqlite3_vtab_cursor *cur) { |
| 9110 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)cur; |
| 9111 | vec_static_blobs_vtab *p = (vec_static_blobs_vtab *)pCur->base.pVtab; |
| 9112 | pCur->iRowid++; |
| 9113 | while (pCur->iRowid < MAX_STATIC_BLOBS16) { |
| 9114 | if (p->data->static_blobs[pCur->iRowid].name) { |
| 9115 | return SQLITE_OK0; |
| 9116 | } |
| 9117 | pCur->iRowid++; |
| 9118 | } |
| 9119 | return SQLITE_OK0; |
| 9120 | } |
| 9121 | |
| 9122 | static int vec_static_blobsEof(sqlite3_vtab_cursor *cur) { |
| 9123 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)cur; |
| 9124 | return pCur->iRowid >= MAX_STATIC_BLOBS16; |
| 9125 | } |
| 9126 | |
| 9127 | static int vec_static_blobsColumn(sqlite3_vtab_cursor *cur, |
| 9128 | sqlite3_context *context, int i) { |
| 9129 | vec_static_blobs_cursor *pCur = (vec_static_blobs_cursor *)cur; |
| 9130 | vec_static_blobs_vtab *p = (vec_static_blobs_vtab *)cur->pVtab; |
| 9131 | switch (i) { |
| 9132 | case VEC_STATIC_BLOBS_NAME0: |
| 9133 | sqlite3_result_textsqlite3_api->result_text(context, p->data->static_blobs[pCur->iRowid].name, -1, |
| 9134 | SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 9135 | break; |
| 9136 | case VEC_STATIC_BLOBS_DATA1: |
| 9137 | sqlite3_result_nullsqlite3_api->result_null(context); |
| 9138 | break; |
| 9139 | case VEC_STATIC_BLOBS_DIMENSIONS2: |
| 9140 | sqlite3_result_int64sqlite3_api->result_int64(context, |
| 9141 | p->data->static_blobs[pCur->iRowid].dimensions); |
| 9142 | break; |
| 9143 | case VEC_STATIC_BLOBS_COUNT3: |
| 9144 | sqlite3_result_int64sqlite3_api->result_int64(context, p->data->static_blobs[pCur->iRowid].nvectors); |
| 9145 | break; |
| 9146 | } |
| 9147 | return SQLITE_OK0; |
| 9148 | } |
| 9149 | |
| 9150 | static sqlite3_module vec_static_blobsModule = { |
| 9151 | /* iVersion */ 3, |
| 9152 | /* xCreate */ 0, |
| 9153 | /* xConnect */ vec_static_blobsConnect, |
| 9154 | /* xBestIndex */ vec_static_blobsBestIndex, |
| 9155 | /* xDisconnect */ vec_static_blobsDisconnect, |
| 9156 | /* xDestroy */ 0, |
| 9157 | /* xOpen */ vec_static_blobsOpen, |
| 9158 | /* xClose */ vec_static_blobsClose, |
| 9159 | /* xFilter */ vec_static_blobsFilter, |
| 9160 | /* xNext */ vec_static_blobsNext, |
| 9161 | /* xEof */ vec_static_blobsEof, |
| 9162 | /* xColumn */ vec_static_blobsColumn, |
| 9163 | /* xRowid */ vec_static_blobsRowid, |
| 9164 | /* xUpdate */ vec_static_blobsUpdate, |
| 9165 | /* xBegin */ 0, |
| 9166 | /* xSync */ 0, |
| 9167 | /* xCommit */ 0, |
| 9168 | /* xRollback */ 0, |
| 9169 | /* xFindMethod */ 0, |
| 9170 | /* xRename */ 0, |
| 9171 | /* xSavepoint */ 0, |
| 9172 | /* xRelease */ 0, |
| 9173 | /* xRollbackTo */ 0, |
| 9174 | /* xShadowName */ 0, |
| 9175 | #if SQLITE_VERSION_NUMBER3050001 >= 3044000 |
| 9176 | /* xIntegrity */ 0 |
| 9177 | #endif |
| 9178 | }; |
| 9179 | #pragma endregion |
| 9180 | |
| 9181 | #pragma region vec_static_blob_entries() table function |
| 9182 | |
| 9183 | typedef struct vec_static_blob_entries_vtab vec_static_blob_entries_vtab; |
| 9184 | struct vec_static_blob_entries_vtab { |
| 9185 | sqlite3_vtab base; |
| 9186 | static_blob *blob; |
| 9187 | }; |
| 9188 | typedef enum { |
| 9189 | VEC_SBE__QUERYPLAN_FULLSCAN = 1, |
| 9190 | VEC_SBE__QUERYPLAN_KNN = 2 |
| 9191 | } vec_sbe_query_plan; |
| 9192 | |
| 9193 | struct sbe_query_knn_data { |
| 9194 | i64 k; |
| 9195 | i64 k_used; |
| 9196 | // Array of rowids of size k. Must be freed with sqlite3_free(). |
| 9197 | i32 *rowids; |
| 9198 | // Array of distances of size k. Must be freed with sqlite3_free(). |
| 9199 | f32 *distances; |
| 9200 | i64 current_idx; |
| 9201 | }; |
| 9202 | void sbe_query_knn_data_clear(struct sbe_query_knn_data *knn_data) { |
| 9203 | if (!knn_data) |
| 9204 | return; |
| 9205 | |
| 9206 | if (knn_data->rowids) { |
| 9207 | sqlite3_freesqlite3_api->free(knn_data->rowids); |
| 9208 | knn_data->rowids = NULL((void*)0); |
| 9209 | } |
| 9210 | if (knn_data->distances) { |
| 9211 | sqlite3_freesqlite3_api->free(knn_data->distances); |
| 9212 | knn_data->distances = NULL((void*)0); |
| 9213 | } |
| 9214 | } |
| 9215 | |
| 9216 | typedef struct vec_static_blob_entries_cursor vec_static_blob_entries_cursor; |
| 9217 | struct vec_static_blob_entries_cursor { |
| 9218 | sqlite3_vtab_cursor base; |
| 9219 | sqlite3_int64 iRowid; |
| 9220 | vec_sbe_query_plan query_plan; |
| 9221 | struct sbe_query_knn_data *knn_data; |
| 9222 | }; |
| 9223 | |
| 9224 | static int vec_static_blob_entriesConnect(sqlite3 *db, void *pAux, int argc, |
| 9225 | const char *const *argv, |
| 9226 | sqlite3_vtab **ppVtab, char **pzErr) { |
| 9227 | UNUSED_PARAMETER(argc)(void)(argc); |
| 9228 | UNUSED_PARAMETER(argv)(void)(argv); |
| 9229 | UNUSED_PARAMETER(pzErr)(void)(pzErr); |
| 9230 | vec_static_blob_data *blob_data = pAux; |
| 9231 | int idx = -1; |
| 9232 | for (int i = 0; i < MAX_STATIC_BLOBS16; i++) { |
| 9233 | if (!blob_data->static_blobs[i].name) |
| 9234 | continue; |
| 9235 | if (strncmp(blob_data->static_blobs[i].name, argv[3], |
| 9236 | strlen(blob_data->static_blobs[i].name)) == 0) { |
| 9237 | idx = i; |
| 9238 | break; |
| 9239 | } |
| 9240 | } |
| 9241 | if (idx < 0) |
| 9242 | abort(); |
| 9243 | vec_static_blob_entries_vtab *pNew; |
| 9244 | #define VEC_STATIC_BLOB_ENTRIES_VECTOR0 0 |
| 9245 | #define VEC_STATIC_BLOB_ENTRIES_DISTANCE1 1 |
| 9246 | #define VEC_STATIC_BLOB_ENTRIES_K2 2 |
| 9247 | int rc = sqlite3_declare_vtabsqlite3_api->declare_vtab( |
| 9248 | db, "CREATE TABLE x(vector, distance hidden, k hidden)"); |
| 9249 | if (rc == SQLITE_OK0) { |
| 9250 | pNew = sqlite3_mallocsqlite3_api->malloc(sizeof(*pNew)); |
| 9251 | *ppVtab = (sqlite3_vtab *)pNew; |
| 9252 | if (pNew == 0) |
| 9253 | return SQLITE_NOMEM7; |
| 9254 | memset(pNew, 0, sizeof(*pNew)); |
| 9255 | pNew->blob = &blob_data->static_blobs[idx]; |
| 9256 | } |
| 9257 | return rc; |
| 9258 | } |
| 9259 | |
| 9260 | static int vec_static_blob_entriesCreate(sqlite3 *db, void *pAux, int argc, |
| 9261 | const char *const *argv, |
| 9262 | sqlite3_vtab **ppVtab, char **pzErr) { |
| 9263 | return vec_static_blob_entriesConnect(db, pAux, argc, argv, ppVtab, pzErr); |
| 9264 | } |
| 9265 | |
| 9266 | static int vec_static_blob_entriesDisconnect(sqlite3_vtab *pVtab) { |
| 9267 | vec_static_blob_entries_vtab *p = (vec_static_blob_entries_vtab *)pVtab; |
| 9268 | sqlite3_freesqlite3_api->free(p); |
| 9269 | return SQLITE_OK0; |
| 9270 | } |
| 9271 | |
| 9272 | static int vec_static_blob_entriesOpen(sqlite3_vtab *p, |
| 9273 | sqlite3_vtab_cursor **ppCursor) { |
| 9274 | UNUSED_PARAMETER(p)(void)(p); |
| 9275 | vec_static_blob_entries_cursor *pCur; |
| 9276 | pCur = sqlite3_mallocsqlite3_api->malloc(sizeof(*pCur)); |
| 9277 | if (pCur == 0) |
| 9278 | return SQLITE_NOMEM7; |
| 9279 | memset(pCur, 0, sizeof(*pCur)); |
| 9280 | *ppCursor = &pCur->base; |
| 9281 | return SQLITE_OK0; |
| 9282 | } |
| 9283 | |
| 9284 | static int vec_static_blob_entriesClose(sqlite3_vtab_cursor *cur) { |
| 9285 | vec_static_blob_entries_cursor *pCur = (vec_static_blob_entries_cursor *)cur; |
| 9286 | sqlite3_freesqlite3_api->free(pCur->knn_data); |
| 9287 | sqlite3_freesqlite3_api->free(pCur); |
| 9288 | return SQLITE_OK0; |
| 9289 | } |
| 9290 | |
| 9291 | static int vec_static_blob_entriesBestIndex(sqlite3_vtab *pVTab, |
| 9292 | sqlite3_index_info *pIdxInfo) { |
| 9293 | vec_static_blob_entries_vtab *p = (vec_static_blob_entries_vtab *)pVTab; |
| 9294 | int iMatchTerm = -1; |
| 9295 | int iLimitTerm = -1; |
| 9296 | // int iRowidTerm = -1; // https://github.com/asg017/sqlite-vec/issues/47 |
| 9297 | int iKTerm = -1; |
| 9298 | |
| 9299 | for (int i = 0; i < pIdxInfo->nConstraint; i++) { |
| 9300 | if (!pIdxInfo->aConstraint[i].usable) |
| 9301 | continue; |
| 9302 | |
| 9303 | int iColumn = pIdxInfo->aConstraint[i].iColumn; |
| 9304 | int op = pIdxInfo->aConstraint[i].op; |
| 9305 | if (op == SQLITE_INDEX_CONSTRAINT_MATCH64 && |
| 9306 | iColumn == VEC_STATIC_BLOB_ENTRIES_VECTOR0) { |
| 9307 | if (iMatchTerm > -1) { |
| 9308 | // https://github.com/asg017/sqlite-vec/issues/51 |
| 9309 | return SQLITE_ERROR1; |
| 9310 | } |
| 9311 | iMatchTerm = i; |
| 9312 | } |
| 9313 | if (op == SQLITE_INDEX_CONSTRAINT_LIMIT73) { |
| 9314 | iLimitTerm = i; |
| 9315 | } |
| 9316 | if (op == SQLITE_INDEX_CONSTRAINT_EQ2 && |
| 9317 | iColumn == VEC_STATIC_BLOB_ENTRIES_K2) { |
| 9318 | iKTerm = i; |
| 9319 | } |
| 9320 | } |
| 9321 | if (iMatchTerm >= 0) { |
| 9322 | if (iLimitTerm < 0 && iKTerm < 0) { |
| 9323 | // https://github.com/asg017/sqlite-vec/issues/51 |
| 9324 | return SQLITE_ERROR1; |
| 9325 | } |
| 9326 | if (iLimitTerm >= 0 && iKTerm >= 0) { |
| 9327 | return SQLITE_ERROR1; // limit or k, not both |
| 9328 | } |
| 9329 | if (pIdxInfo->nOrderBy < 1) { |
| 9330 | vtab_set_error(pVTab, "ORDER BY distance required"); |
| 9331 | return SQLITE_CONSTRAINT19; |
| 9332 | } |
| 9333 | if (pIdxInfo->nOrderBy > 1) { |
| 9334 | // https://github.com/asg017/sqlite-vec/issues/51 |
| 9335 | vtab_set_error(pVTab, "more than 1 ORDER BY clause provided"); |
| 9336 | return SQLITE_CONSTRAINT19; |
| 9337 | } |
| 9338 | if (pIdxInfo->aOrderBy[0].iColumn != VEC_STATIC_BLOB_ENTRIES_DISTANCE1) { |
| 9339 | vtab_set_error(pVTab, "ORDER BY must be on the distance column"); |
| 9340 | return SQLITE_CONSTRAINT19; |
| 9341 | } |
| 9342 | if (pIdxInfo->aOrderBy[0].desc) { |
| 9343 | vtab_set_error(pVTab, |
| 9344 | "Only ascending in ORDER BY distance clause is supported, " |
| 9345 | "DESC is not supported yet."); |
| 9346 | return SQLITE_CONSTRAINT19; |
| 9347 | } |
| 9348 | |
| 9349 | pIdxInfo->idxNum = VEC_SBE__QUERYPLAN_KNN; |
| 9350 | pIdxInfo->estimatedCost = (double)10; |
| 9351 | pIdxInfo->estimatedRows = 10; |
| 9352 | |
| 9353 | pIdxInfo->orderByConsumed = 1; |
| 9354 | pIdxInfo->aConstraintUsage[iMatchTerm].argvIndex = 1; |
| 9355 | pIdxInfo->aConstraintUsage[iMatchTerm].omit = 1; |
| 9356 | if (iLimitTerm >= 0) { |
| 9357 | pIdxInfo->aConstraintUsage[iLimitTerm].argvIndex = 2; |
| 9358 | pIdxInfo->aConstraintUsage[iLimitTerm].omit = 1; |
| 9359 | } else { |
| 9360 | pIdxInfo->aConstraintUsage[iKTerm].argvIndex = 2; |
| 9361 | pIdxInfo->aConstraintUsage[iKTerm].omit = 1; |
| 9362 | } |
| 9363 | |
| 9364 | } else { |
| 9365 | pIdxInfo->idxNum = VEC_SBE__QUERYPLAN_FULLSCAN; |
| 9366 | pIdxInfo->estimatedCost = (double)p->blob->nvectors; |
| 9367 | pIdxInfo->estimatedRows = p->blob->nvectors; |
| 9368 | } |
| 9369 | return SQLITE_OK0; |
| 9370 | } |
| 9371 | |
| 9372 | static int vec_static_blob_entriesFilter(sqlite3_vtab_cursor *pVtabCursor, |
| 9373 | int idxNum, const char *idxStr, |
| 9374 | int argc, sqlite3_value **argv) { |
| 9375 | UNUSED_PARAMETER(idxStr)(void)(idxStr); |
| 9376 | assert(argc >= 0 && argc <= 3)((void) sizeof ((argc >= 0 && argc <= 3) ? 1 : 0 ), __extension__ ({ if (argc >= 0 && argc <= 3) ; else __assert_fail ("argc >= 0 && argc <= 3" , "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 9376, __extension__ __PRETTY_FUNCTION__); })); |
| 9377 | vec_static_blob_entries_cursor *pCur = |
| 9378 | (vec_static_blob_entries_cursor *)pVtabCursor; |
| 9379 | vec_static_blob_entries_vtab *p = |
| 9380 | (vec_static_blob_entries_vtab *)pCur->base.pVtab; |
| 9381 | |
| 9382 | if (idxNum == VEC_SBE__QUERYPLAN_KNN) { |
| 9383 | assert(argc == 2)((void) sizeof ((argc == 2) ? 1 : 0), __extension__ ({ if (argc == 2) ; else __assert_fail ("argc == 2", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 9383, __extension__ __PRETTY_FUNCTION__); })); |
| 9384 | pCur->query_plan = VEC_SBE__QUERYPLAN_KNN; |
| 9385 | struct sbe_query_knn_data *knn_data; |
| 9386 | knn_data = sqlite3_mallocsqlite3_api->malloc(sizeof(*knn_data)); |
| 9387 | if (!knn_data) { |
| 9388 | return SQLITE_NOMEM7; |
| 9389 | } |
| 9390 | memset(knn_data, 0, sizeof(*knn_data)); |
| 9391 | |
| 9392 | void *queryVector; |
| 9393 | size_t dimensions; |
| 9394 | enum VectorElementType elementType; |
| 9395 | vector_cleanup cleanup; |
| 9396 | char *err; |
| 9397 | int rc = vector_from_value(argv[0], &queryVector, &dimensions, &elementType, |
| 9398 | &cleanup, &err); |
| 9399 | if (rc != SQLITE_OK0) { |
| 9400 | return SQLITE_ERROR1; |
| 9401 | } |
| 9402 | if (elementType != p->blob->element_type) { |
| 9403 | return SQLITE_ERROR1; |
| 9404 | } |
| 9405 | if (dimensions != p->blob->dimensions) { |
| 9406 | return SQLITE_ERROR1; |
| 9407 | } |
| 9408 | |
| 9409 | i64 k = min(sqlite3_value_int64(argv[1]), (i64)p->blob->nvectors)(((sqlite3_api->value_int64(argv[1])) <= ((i64)p->blob ->nvectors)) ? (sqlite3_api->value_int64(argv[1])) : (( i64)p->blob->nvectors)); |
| 9410 | if (k < 0) { |
| 9411 | // HANDLE https://github.com/asg017/sqlite-vec/issues/55 |
| 9412 | return SQLITE_ERROR1; |
| 9413 | } |
| 9414 | if (k == 0) { |
| 9415 | knn_data->k = 0; |
| 9416 | pCur->knn_data = knn_data; |
| 9417 | return SQLITE_OK0; |
| 9418 | } |
| 9419 | |
| 9420 | size_t bsize = (p->blob->nvectors + 7) & ~7; |
| 9421 | |
| 9422 | i32 *topk_rowids = sqlite3_mallocsqlite3_api->malloc(k * sizeof(i32)); |
| 9423 | if (!topk_rowids) { |
| 9424 | // HANDLE https://github.com/asg017/sqlite-vec/issues/55 |
| 9425 | return SQLITE_ERROR1; |
| 9426 | } |
| 9427 | f32 *distances = sqlite3_mallocsqlite3_api->malloc(bsize * sizeof(f32)); |
| 9428 | if (!distances) { |
| 9429 | // HANDLE https://github.com/asg017/sqlite-vec/issues/55 |
| 9430 | return SQLITE_ERROR1; |
| 9431 | } |
| 9432 | |
| 9433 | for (size_t i = 0; i < p->blob->nvectors; i++) { |
| 9434 | // https://github.com/asg017/sqlite-vec/issues/52 |
| 9435 | float *v = ((float *)p->blob->p) + (i * p->blob->dimensions); |
| 9436 | distances[i] = |
| 9437 | distance_l2_sqr_float(v, (float *)queryVector, &p->blob->dimensions); |
| 9438 | } |
| 9439 | u8 *candidates = bitmap_new(bsize); |
| 9440 | assert(candidates)((void) sizeof ((candidates) ? 1 : 0), __extension__ ({ if (candidates ) ; else __assert_fail ("candidates", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 9440, __extension__ __PRETTY_FUNCTION__); })); |
| 9441 | |
| 9442 | u8 *taken = bitmap_new(bsize); |
| 9443 | assert(taken)((void) sizeof ((taken) ? 1 : 0), __extension__ ({ if (taken) ; else __assert_fail ("taken", "/root/firefox-clang/third_party/sqlite3/ext/sqlite-vec/sqlite-vec.c" , 9443, __extension__ __PRETTY_FUNCTION__); })); |
| 9444 | |
| 9445 | bitmap_fill(candidates, bsize); |
| 9446 | for (size_t i = bsize; i >= p->blob->nvectors; i--) { |
| 9447 | bitmap_set(candidates, i, 0); |
| 9448 | } |
| 9449 | i32 k_used = 0; |
| 9450 | min_idx(distances, bsize, candidates, topk_rowids, k, taken, &k_used); |
| 9451 | knn_data->current_idx = 0; |
| 9452 | knn_data->distances = distances; |
| 9453 | knn_data->k = k; |
| 9454 | knn_data->rowids = topk_rowids; |
| 9455 | |
| 9456 | pCur->knn_data = knn_data; |
| 9457 | } else { |
| 9458 | pCur->query_plan = VEC_SBE__QUERYPLAN_FULLSCAN; |
| 9459 | pCur->iRowid = 0; |
| 9460 | } |
| 9461 | |
| 9462 | return SQLITE_OK0; |
| 9463 | } |
| 9464 | |
| 9465 | static int vec_static_blob_entriesRowid(sqlite3_vtab_cursor *cur, |
| 9466 | sqlite_int64 *pRowid) { |
| 9467 | vec_static_blob_entries_cursor *pCur = (vec_static_blob_entries_cursor *)cur; |
| 9468 | switch (pCur->query_plan) { |
| 9469 | case VEC_SBE__QUERYPLAN_FULLSCAN: { |
| 9470 | *pRowid = pCur->iRowid; |
| 9471 | return SQLITE_OK0; |
| 9472 | } |
| 9473 | case VEC_SBE__QUERYPLAN_KNN: { |
| 9474 | i32 rowid = ((i32 *)pCur->knn_data->rowids)[pCur->knn_data->current_idx]; |
| 9475 | *pRowid = (sqlite3_int64)rowid; |
| 9476 | return SQLITE_OK0; |
| 9477 | } |
| 9478 | } |
| 9479 | return SQLITE_ERROR1; |
| 9480 | } |
| 9481 | |
| 9482 | static int vec_static_blob_entriesNext(sqlite3_vtab_cursor *cur) { |
| 9483 | vec_static_blob_entries_cursor *pCur = (vec_static_blob_entries_cursor *)cur; |
| 9484 | switch (pCur->query_plan) { |
| 9485 | case VEC_SBE__QUERYPLAN_FULLSCAN: { |
| 9486 | pCur->iRowid++; |
| 9487 | return SQLITE_OK0; |
| 9488 | } |
| 9489 | case VEC_SBE__QUERYPLAN_KNN: { |
| 9490 | pCur->knn_data->current_idx++; |
| 9491 | return SQLITE_OK0; |
| 9492 | } |
| 9493 | } |
| 9494 | return SQLITE_ERROR1; |
| 9495 | } |
| 9496 | |
| 9497 | static int vec_static_blob_entriesEof(sqlite3_vtab_cursor *cur) { |
| 9498 | vec_static_blob_entries_cursor *pCur = (vec_static_blob_entries_cursor *)cur; |
| 9499 | vec_static_blob_entries_vtab *p = |
| 9500 | (vec_static_blob_entries_vtab *)pCur->base.pVtab; |
| 9501 | switch (pCur->query_plan) { |
| 9502 | case VEC_SBE__QUERYPLAN_FULLSCAN: { |
| 9503 | return (size_t)pCur->iRowid >= p->blob->nvectors; |
| 9504 | } |
| 9505 | case VEC_SBE__QUERYPLAN_KNN: { |
| 9506 | return pCur->knn_data->current_idx >= pCur->knn_data->k; |
| 9507 | } |
| 9508 | } |
| 9509 | return SQLITE_ERROR1; |
| 9510 | } |
| 9511 | |
| 9512 | static int vec_static_blob_entriesColumn(sqlite3_vtab_cursor *cur, |
| 9513 | sqlite3_context *context, int i) { |
| 9514 | vec_static_blob_entries_cursor *pCur = (vec_static_blob_entries_cursor *)cur; |
| 9515 | vec_static_blob_entries_vtab *p = (vec_static_blob_entries_vtab *)cur->pVtab; |
| 9516 | |
| 9517 | switch (pCur->query_plan) { |
| 9518 | case VEC_SBE__QUERYPLAN_FULLSCAN: { |
| 9519 | switch (i) { |
| 9520 | case VEC_STATIC_BLOB_ENTRIES_VECTOR0: |
| 9521 | |
| 9522 | sqlite3_result_blobsqlite3_api->result_blob( |
| 9523 | context, |
| 9524 | ((unsigned char *)p->blob->p) + |
| 9525 | (pCur->iRowid * p->blob->dimensions * sizeof(float)), |
| 9526 | p->blob->dimensions * sizeof(float), SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 9527 | sqlite3_result_subtypesqlite3_api->result_subtype(context, p->blob->element_type); |
| 9528 | break; |
| 9529 | } |
| 9530 | return SQLITE_OK0; |
| 9531 | } |
| 9532 | case VEC_SBE__QUERYPLAN_KNN: { |
| 9533 | switch (i) { |
| 9534 | case VEC_STATIC_BLOB_ENTRIES_VECTOR0: { |
| 9535 | i32 rowid = ((i32 *)pCur->knn_data->rowids)[pCur->knn_data->current_idx]; |
| 9536 | sqlite3_result_blobsqlite3_api->result_blob(context, |
| 9537 | ((unsigned char *)p->blob->p) + |
| 9538 | (rowid * p->blob->dimensions * sizeof(float)), |
| 9539 | p->blob->dimensions * sizeof(float), |
| 9540 | SQLITE_TRANSIENT((sqlite3_destructor_type)-1)); |
| 9541 | sqlite3_result_subtypesqlite3_api->result_subtype(context, p->blob->element_type); |
| 9542 | break; |
| 9543 | } |
| 9544 | } |
| 9545 | return SQLITE_OK0; |
| 9546 | } |
| 9547 | } |
| 9548 | return SQLITE_ERROR1; |
| 9549 | } |
| 9550 | |
| 9551 | static sqlite3_module vec_static_blob_entriesModule = { |
| 9552 | /* iVersion */ 3, |
| 9553 | /* xCreate */ |
| 9554 | vec_static_blob_entriesCreate, // handle rm? |
| 9555 | // https://github.com/asg017/sqlite-vec/issues/55 |
| 9556 | /* xConnect */ vec_static_blob_entriesConnect, |
| 9557 | /* xBestIndex */ vec_static_blob_entriesBestIndex, |
| 9558 | /* xDisconnect */ vec_static_blob_entriesDisconnect, |
| 9559 | /* xDestroy */ vec_static_blob_entriesDisconnect, |
| 9560 | /* xOpen */ vec_static_blob_entriesOpen, |
| 9561 | /* xClose */ vec_static_blob_entriesClose, |
| 9562 | /* xFilter */ vec_static_blob_entriesFilter, |
| 9563 | /* xNext */ vec_static_blob_entriesNext, |
| 9564 | /* xEof */ vec_static_blob_entriesEof, |
| 9565 | /* xColumn */ vec_static_blob_entriesColumn, |
| 9566 | /* xRowid */ vec_static_blob_entriesRowid, |
| 9567 | /* xUpdate */ 0, |
| 9568 | /* xBegin */ 0, |
| 9569 | /* xSync */ 0, |
| 9570 | /* xCommit */ 0, |
| 9571 | /* xRollback */ 0, |
| 9572 | /* xFindMethod */ 0, |
| 9573 | /* xRename */ 0, |
| 9574 | /* xSavepoint */ 0, |
| 9575 | /* xRelease */ 0, |
| 9576 | /* xRollbackTo */ 0, |
| 9577 | /* xShadowName */ 0, |
| 9578 | #if SQLITE_VERSION_NUMBER3050001 >= 3044000 |
| 9579 | /* xIntegrity */ 0 |
| 9580 | #endif |
| 9581 | }; |
| 9582 | #pragma endregion |
| 9583 | |
| 9584 | #ifdef SQLITE_VEC_ENABLE_AVX |
| 9585 | #define SQLITE_VEC_DEBUG_BUILD_AVX"" "avx" |
| 9586 | #else |
| 9587 | #define SQLITE_VEC_DEBUG_BUILD_AVX"" "" |
| 9588 | #endif |
| 9589 | #ifdef SQLITE_VEC_ENABLE_NEON |
| 9590 | #define SQLITE_VEC_DEBUG_BUILD_NEON"" "neon" |
| 9591 | #else |
| 9592 | #define SQLITE_VEC_DEBUG_BUILD_NEON"" "" |
| 9593 | #endif |
| 9594 | |
| 9595 | #define SQLITE_VEC_DEBUG_BUILD"" " " "" \ |
| 9596 | SQLITE_VEC_DEBUG_BUILD_AVX"" " " SQLITE_VEC_DEBUG_BUILD_NEON"" |
| 9597 | |
| 9598 | #define SQLITE_VEC_DEBUG_STRING"Version: " "v0.1.7-alpha.2" "\n" "Date: " "2025-01-10T23:18:50Z+0000" "\n" "Commit: " "bdc336d1cf2a2222b6227784bd30c6631603279b" "\n" "Build flags: " "" " " "" \ |
| 9599 | "Version: " SQLITE_VEC_VERSION"v0.1.7-alpha.2" "\n" \ |
| 9600 | "Date: " SQLITE_VEC_DATE"2025-01-10T23:18:50Z+0000" "\n" \ |
| 9601 | "Commit: " SQLITE_VEC_SOURCE"bdc336d1cf2a2222b6227784bd30c6631603279b" "\n" \ |
| 9602 | "Build flags: " SQLITE_VEC_DEBUG_BUILD"" " " "" |
| 9603 | |
| 9604 | SQLITE_VEC_API int sqlite3_vec_init(sqlite3 *db, char **pzErrMsg, |
| 9605 | const sqlite3_api_routines *pApi) { |
| 9606 | #ifndef SQLITE_CORE |
| 9607 | SQLITE_EXTENSION_INIT2(pApi)sqlite3_api=pApi;; |
| 9608 | #endif |
| 9609 | int rc = SQLITE_OK0; |
| 9610 | |
| 9611 | #define DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) (SQLITE_UTF81 | SQLITE_INNOCUOUS0x000200000 | SQLITE_DETERMINISTIC0x000000800) |
| 9612 | |
| 9613 | rc = sqlite3_create_function_v2sqlite3_api->create_function_v2(db, "vec_version", 0, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800), |
| 9614 | SQLITE_VEC_VERSION"v0.1.7-alpha.2", _static_text_func, NULL((void*)0), |
| 9615 | NULL((void*)0), NULL((void*)0)); |
| 9616 | if (rc != SQLITE_OK0) { |
| 9617 | return rc; |
| 9618 | } |
| 9619 | rc = sqlite3_create_function_v2sqlite3_api->create_function_v2(db, "vec_debug", 0, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800), |
| 9620 | SQLITE_VEC_DEBUG_STRING"Version: " "v0.1.7-alpha.2" "\n" "Date: " "2025-01-10T23:18:50Z+0000" "\n" "Commit: " "bdc336d1cf2a2222b6227784bd30c6631603279b" "\n" "Build flags: " "" " " "", _static_text_func, |
| 9621 | NULL((void*)0), NULL((void*)0), NULL((void*)0)); |
| 9622 | if (rc != SQLITE_OK0) { |
| 9623 | return rc; |
| 9624 | } |
| 9625 | static struct { |
| 9626 | const char *zFName; |
| 9627 | void (*xFunc)(sqlite3_context *, int, sqlite3_value **); |
| 9628 | int nArg; |
| 9629 | int flags; |
| 9630 | } aFunc[] = { |
| 9631 | // clang-format off |
| 9632 | //{"vec_version", _static_text_func, 0, DEFAULT_FLAGS, (void *) SQLITE_VEC_VERSION }, |
| 9633 | //{"vec_debug", _static_text_func, 0, DEFAULT_FLAGS, (void *) SQLITE_VEC_DEBUG_STRING }, |
| 9634 | {"vec_distance_l2", vec_distance_l2, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000, }, |
| 9635 | {"vec_distance_l1", vec_distance_l1, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000, }, |
| 9636 | {"vec_distance_hamming",vec_distance_hamming, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000, }, |
| 9637 | {"vec_distance_cosine", vec_distance_cosine, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000, }, |
| 9638 | {"vec_length", vec_length, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000, }, |
| 9639 | {"vec_type", vec_type, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800), }, |
| 9640 | {"vec_to_json", vec_to_json, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9641 | {"vec_add", vec_add, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9642 | {"vec_sub", vec_sub, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9643 | {"vec_slice", vec_slice, 3, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9644 | {"vec_normalize", vec_normalize, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9645 | {"vec_f32", vec_f32, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9646 | {"vec_bit", vec_bit, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9647 | {"vec_int8", vec_int8, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9648 | {"vec_quantize_int8", vec_quantize_int8, 2, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9649 | {"vec_quantize_binary", vec_quantize_binary, 1, DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, }, |
| 9650 | // clang-format on |
| 9651 | }; |
| 9652 | |
| 9653 | static struct { |
| 9654 | char *name; |
| 9655 | const sqlite3_module *module; |
| 9656 | void *p; |
| 9657 | void (*xDestroy)(void *); |
| 9658 | } aMod[] = { |
| 9659 | // clang-format off |
| 9660 | {"vec0", &vec0Module, NULL((void*)0), NULL((void*)0)}, |
| 9661 | {"vec_each", &vec_eachModule, NULL((void*)0), NULL((void*)0)}, |
| 9662 | // clang-format on |
| 9663 | }; |
| 9664 | |
| 9665 | for (unsigned long i = 0; i < countof(aFunc)(sizeof(aFunc) / sizeof((aFunc)[0])) && rc == SQLITE_OK0; i++) { |
| 9666 | rc = sqlite3_create_function_v2sqlite3_api->create_function_v2(db, aFunc[i].zFName, aFunc[i].nArg, |
| 9667 | aFunc[i].flags, NULL((void*)0), aFunc[i].xFunc, NULL((void*)0), |
| 9668 | NULL((void*)0), NULL((void*)0)); |
| 9669 | if (rc != SQLITE_OK0) { |
| 9670 | *pzErrMsg = sqlite3_mprintfsqlite3_api->mprintf("Error creating function %s: %s", |
| 9671 | aFunc[i].zFName, sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 9672 | return rc; |
| 9673 | } |
| 9674 | } |
| 9675 | |
| 9676 | for (unsigned long i = 0; i < countof(aMod)(sizeof(aMod) / sizeof((aMod)[0])) && rc == SQLITE_OK0; i++) { |
| 9677 | rc = sqlite3_create_module_v2sqlite3_api->create_module_v2(db, aMod[i].name, aMod[i].module, NULL((void*)0), NULL((void*)0)); |
| 9678 | if (rc != SQLITE_OK0) { |
| 9679 | *pzErrMsg = sqlite3_mprintfsqlite3_api->mprintf("Error creating module %s: %s", aMod[i].name, |
| 9680 | sqlite3_errmsgsqlite3_api->errmsg(db)); |
| 9681 | return rc; |
| 9682 | } |
| 9683 | } |
| 9684 | |
| 9685 | return SQLITE_OK0; |
| 9686 | } |
| 9687 | |
| 9688 | #ifndef SQLITE_VEC_OMIT_FS |
| 9689 | SQLITE_VEC_API int sqlite3_vec_numpy_init(sqlite3 *db, char **pzErrMsg, |
| 9690 | const sqlite3_api_routines *pApi) { |
| 9691 | UNUSED_PARAMETER(pzErrMsg)(void)(pzErrMsg); |
| 9692 | #ifndef SQLITE_CORE |
| 9693 | SQLITE_EXTENSION_INIT2(pApi)sqlite3_api=pApi;; |
| 9694 | #endif |
| 9695 | int rc = SQLITE_OK0; |
| 9696 | rc = sqlite3_create_function_v2sqlite3_api->create_function_v2(db, "vec_npy_file", 1, SQLITE_RESULT_SUBTYPE0x001000000, |
| 9697 | NULL((void*)0), vec_npy_file, NULL((void*)0), NULL((void*)0), NULL((void*)0)); |
| 9698 | if(rc != SQLITE_OK0) { |
| 9699 | return rc; |
| 9700 | } |
| 9701 | rc = sqlite3_create_module_v2sqlite3_api->create_module_v2(db, "vec_npy_each", &vec_npy_eachModule, NULL((void*)0), NULL((void*)0)); |
| 9702 | return rc; |
| 9703 | } |
| 9704 | #endif |
| 9705 | |
| 9706 | SQLITE_VEC_API int |
| 9707 | sqlite3_vec_static_blobs_init(sqlite3 *db, char **pzErrMsg, |
| 9708 | const sqlite3_api_routines *pApi) { |
| 9709 | UNUSED_PARAMETER(pzErrMsg)(void)(pzErrMsg); |
| 9710 | #ifndef SQLITE_CORE |
| 9711 | SQLITE_EXTENSION_INIT2(pApi)sqlite3_api=pApi;; |
| 9712 | #endif |
| 9713 | |
| 9714 | int rc = SQLITE_OK0; |
| 9715 | vec_static_blob_data *static_blob_data; |
| 9716 | static_blob_data = sqlite3_mallocsqlite3_api->malloc(sizeof(*static_blob_data)); |
| 9717 | if (!static_blob_data) { |
| 9718 | return SQLITE_NOMEM7; |
| 9719 | } |
| 9720 | memset(static_blob_data, 0, sizeof(*static_blob_data)); |
| 9721 | |
| 9722 | rc = sqlite3_create_function_v2sqlite3_api->create_function_v2( |
| 9723 | db, "vec_static_blob_from_raw", 4, |
| 9724 | DEFAULT_FLAGS(1 | 0x000200000 | 0x000000800) | SQLITE_SUBTYPE0x000100000 | SQLITE_RESULT_SUBTYPE0x001000000, NULL((void*)0), |
| 9725 | vec_static_blob_from_raw, NULL((void*)0), NULL((void*)0), NULL((void*)0)); |
| 9726 | if (rc != SQLITE_OK0) |
| 9727 | return rc; |
| 9728 | |
| 9729 | rc = sqlite3_create_module_v2sqlite3_api->create_module_v2(db, "vec_static_blobs", &vec_static_blobsModule, |
| 9730 | static_blob_data, sqlite3_freesqlite3_api->free); |
| 9731 | if (rc != SQLITE_OK0) |
| 9732 | return rc; |
| 9733 | rc = sqlite3_create_module_v2sqlite3_api->create_module_v2(db, "vec_static_blob_entries", |
| 9734 | &vec_static_blob_entriesModule, |
| 9735 | static_blob_data, NULL((void*)0)); |
| 9736 | if (rc != SQLITE_OK0) |
| 9737 | return rc; |
| 9738 | return rc; |
| 9739 | } |