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Added support functions for max dimensions for ivfflat

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This commit is contained in:
Andrew Kane
2024-04-24 15:27:10 -07:00
parent e81547847f
commit 69c3e719f7
6 changed files with 55 additions and 18 deletions
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18
sql/vector--0.6.2--0.7.0.sql
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@@ -22,6 +22,12 @@ CREATE OPERATOR || (
LEFTARG = vector, RIGHTARG = vector, PROCEDURE = vector_concat
);
CREATE FUNCTION ivfflat_bit_max_dims(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION ivfflat_halfvec_max_dims(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION ivfflat_bit_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
@@ -66,7 +72,8 @@ CREATE OPERATOR CLASS bit_hamming_ops
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 3 hamming_distance(bit, bit),
FUNCTION 6 ivfflat_bit_support(internal);
FUNCTION 6 ivfflat_bit_max_dims(internal),
FUNCTION 7 ivfflat_bit_support(internal);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
@@ -333,7 +340,8 @@ CREATE OPERATOR CLASS halfvec_l2_ops
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 3 l2_distance(halfvec, halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING ivfflat AS
@@ -342,7 +350,8 @@ CREATE OPERATOR CLASS halfvec_ip_ops
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING ivfflat AS
@@ -352,7 +361,8 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING hnsw AS

18
sql/vector.sql
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@@ -263,6 +263,12 @@ COMMENT ON ACCESS METHOD hnsw IS 'hnsw index access method';
-- access method private functions
CREATE FUNCTION ivfflat_bit_max_dims(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION ivfflat_halfvec_max_dims(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION ivfflat_bit_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
@@ -361,7 +367,8 @@ CREATE OPERATOR CLASS bit_hamming_ops
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 3 hamming_distance(bit, bit),
FUNCTION 6 ivfflat_bit_support(internal);
FUNCTION 6 ivfflat_bit_max_dims(internal),
FUNCTION 7 ivfflat_bit_support(internal);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
@@ -644,7 +651,8 @@ CREATE OPERATOR CLASS halfvec_l2_ops
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 3 l2_distance(halfvec, halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING ivfflat AS
@@ -653,7 +661,8 @@ CREATE OPERATOR CLASS halfvec_ip_ops
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING ivfflat AS
@@ -663,7 +672,8 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 ivfflat_halfvec_support(internal);
FUNCTION 6 ivfflat_halfvec_max_dims(internal),
FUNCTION 7 ivfflat_halfvec_support(internal);
CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING hnsw AS

18
src/ivfbuild.c
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@@ -323,16 +323,14 @@ InsertTuples(Relation index, IvfflatBuildState * buildstate, ForkNumber forkNum)
* Get max dimensions
*/
static int
GetMaxDimensions(IvfflatType type)
GetMaxDimensions(Relation index)
{
int maxDimensions = IVFFLAT_MAX_DIM;
FmgrInfo *procinfo = IvfflatOptionalProcInfo(index, IVFFLAT_MAX_DIMS_PROC);
if (type == IVFFLAT_TYPE_HALFVEC)
maxDimensions *= 2;
else if (type == IVFFLAT_TYPE_BIT)
maxDimensions *= 32;
if (procinfo == NULL)
return IVFFLAT_MAX_DIM;
return maxDimensions;
return DatumGetInt32(FunctionCall1(procinfo, PointerGetDatum(NULL)));
}
/*
@@ -367,7 +365,11 @@ InitBuildState(IvfflatBuildState * buildstate, Relation heap, Relation index, In
buildstate->lists = IvfflatGetLists(index);
buildstate->dimensions = TupleDescAttr(index->rd_att, 0)->atttypmod;
maxDimensions = GetMaxDimensions(buildstate->type);
/* Disallow varbit since require fixed dimensions */
if (TupleDescAttr(index->rd_att, 0)->atttypid == VARBITOID)
elog(ERROR, "type not supported for ivfflat index");
maxDimensions = GetMaxDimensions(index);
/* Require column to have dimensions to be indexed */
if (buildstate->dimensions < 0)

2
src/ivfflat.c
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@@ -188,7 +188,7 @@ ivfflathandler(PG_FUNCTION_ARGS)
IndexAmRoutine *amroutine = makeNode(IndexAmRoutine);
amroutine->amstrategies = 0;
amroutine->amsupport = 6;
amroutine->amsupport = 7;
#if PG_VERSION_NUM >= 130000
amroutine->amoptsprocnum = 0;
#endif

3
src/ivfflat.h
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@@ -29,7 +29,8 @@
#define IVFFLAT_KMEANS_DISTANCE_PROC 3
#define IVFFLAT_KMEANS_NORM_PROC 4
#define IVFFLAT_NORMALIZE_PROC 5
#define IVFFLAT_TYPE_SUPPORT_PROC 6
#define IVFFLAT_MAX_DIMS_PROC 6
#define IVFFLAT_TYPE_SUPPORT_PROC 7
#define IVFFLAT_VERSION 1
#define IVFFLAT_MAGIC_NUMBER 0x14FF1A7

14
src/ivfutils.c
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@@ -246,6 +246,20 @@ IvfflatUpdateList(Relation index, ListInfo listInfo,
}
}
PGDLLEXPORT PG_FUNCTION_INFO_V1(ivfflat_halfvec_max_dims);
Datum
ivfflat_halfvec_max_dims(PG_FUNCTION_ARGS)
{
PG_RETURN_INT32(IVFFLAT_MAX_DIM * 2);
};
PGDLLEXPORT PG_FUNCTION_INFO_V1(ivfflat_bit_max_dims);
Datum
ivfflat_bit_max_dims(PG_FUNCTION_ARGS)
{
PG_RETURN_INT32(IVFFLAT_MAX_DIM * 32);
};
PGDLLEXPORT PG_FUNCTION_INFO_V1(ivfflat_halfvec_support);
Datum
ivfflat_halfvec_support(PG_FUNCTION_ARGS)