mirror of
https://github.com/asg017/sqlite-vec.git
synced 2026-04-25 00:36:56 +02:00
0659d8848d
- Expand sqlite-vec-internal.h with scanner/tokenizer types, vector column definition types, and parser function declarations - Fix min_idx declaration to match actual C signature (add candidates, bTaken, k_used params) - Compile test-unit with -DSQLITE_CORE and link vendor/sqlite3.c so sqlite3 API functions (sqlite3_strnicmp, sqlite3_mprintf, etc.) resolve - Add unit tests for vec0_token_next, Vec0Scanner, and vec0_parse_vector_column - Fix Rust build.rs to define SQLITE_CORE and compile vendor/sqlite3.c - Fix Rust min_idx FFI signature and wrapper to match actual C function Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
#ifndef SQLITE_VEC_INTERNAL_H
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#define SQLITE_VEC_INTERNAL_H
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#include <stdlib.h>
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#include <stddef.h>
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int min_idx(
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const float *distances,
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int32_t n,
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uint8_t *candidates,
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int32_t *out,
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int32_t k,
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uint8_t *bTaken,
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int32_t *k_used
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);
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// Scanner / tokenizer types and functions
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enum Vec0TokenType {
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TOKEN_TYPE_IDENTIFIER = 0,
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TOKEN_TYPE_DIGIT = 1,
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TOKEN_TYPE_LBRACKET = 2,
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TOKEN_TYPE_RBRACKET = 3,
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TOKEN_TYPE_PLUS = 4,
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TOKEN_TYPE_EQ = 5,
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};
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#define VEC0_TOKEN_RESULT_EOF 1
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#define VEC0_TOKEN_RESULT_SOME 2
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#define VEC0_TOKEN_RESULT_ERROR 3
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struct Vec0Token {
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enum Vec0TokenType token_type;
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char *start;
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char *end;
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};
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struct Vec0Scanner {
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char *start;
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char *end;
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char *ptr;
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};
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void vec0_scanner_init(struct Vec0Scanner *scanner, const char *source, int source_length);
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int vec0_scanner_next(struct Vec0Scanner *scanner, struct Vec0Token *out);
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int vec0_token_next(char *start, char *end, struct Vec0Token *out);
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// Vector column definition types and parser
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enum VectorElementType {
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SQLITE_VEC_ELEMENT_TYPE_FLOAT32 = 223 + 0,
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SQLITE_VEC_ELEMENT_TYPE_BIT = 223 + 1,
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SQLITE_VEC_ELEMENT_TYPE_INT8 = 223 + 2,
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};
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enum Vec0DistanceMetrics {
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VEC0_DISTANCE_METRIC_L2 = 1,
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VEC0_DISTANCE_METRIC_COSINE = 2,
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VEC0_DISTANCE_METRIC_L1 = 3,
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};
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struct VectorColumnDefinition {
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char *name;
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int name_length;
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size_t dimensions;
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enum VectorElementType element_type;
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enum Vec0DistanceMetrics distance_metric;
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};
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int vec0_parse_vector_column(const char *source, int source_length,
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struct VectorColumnDefinition *outColumn);
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int vec0_parse_partition_key_definition(const char *source, int source_length,
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char **out_column_name,
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int *out_column_name_length,
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int *out_column_type);
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#endif /* SQLITE_VEC_INTERNAL_H */
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