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Moved type lookup to support functions - #527

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This commit is contained in:
Andrew Kane
2024-04-23 13:02:47 -07:00
parent d1b83991af
commit 0da6213a60
8 changed files with 151 additions and 72 deletions
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57
sql/vector--0.6.2--0.7.0.sql
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@@ -33,6 +33,12 @@ CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
CREATE FUNCTION jaccard_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION bit_ivfflat_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION bit_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE OPERATOR <~> (
LEFTARG = bit, RIGHTARG = bit, PROCEDURE = hamming_distance,
COMMUTATOR = '<~>'
@@ -47,17 +53,20 @@ CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING ivfflat AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 3 hamming_distance(bit, bit);
FUNCTION 3 hamming_distance(bit, bit),
FUNCTION 6 bit_ivfflat_support(internal);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit);
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 4 bit_hnsw_support(internal);
CREATE OPERATOR CLASS bit_jaccard_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <%> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 jaccard_distance(bit, bit);
FUNCTION 1 jaccard_distance(bit, bit),
FUNCTION 4 bit_hnsw_support(internal);
CREATE TYPE halfvec;
@@ -160,6 +169,12 @@ CREATE FUNCTION halfvec_accum(double precision[], halfvec) RETURNS double precis
CREATE FUNCTION halfvec_avg(double precision[]) RETURNS halfvec
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION halfvec_ivfflat_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION halfvec_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE AGGREGATE avg(halfvec) (
SFUNC = halfvec_accum,
STYPE = double precision[],
@@ -311,7 +326,8 @@ CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING ivfflat AS
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 3 l2_distance(halfvec, halfvec);
FUNCTION 3 l2_distance(halfvec, halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING ivfflat AS
@@ -319,7 +335,8 @@ CREATE OPERATOR CLASS halfvec_ip_ops
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec);
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING ivfflat AS
@@ -328,29 +345,34 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 2 l2_norm(halfvec),
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec);
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec);
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <#> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec);
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <=> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 2 l2_norm(halfvec),
FUNCTION 3 l2_normalize(halfvec);
FUNCTION 3 l2_normalize(halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_l1_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <+> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(halfvec, halfvec);
FUNCTION 1 l1_distance(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE TYPE sparsevec;
@@ -438,6 +460,9 @@ CREATE FUNCTION halfvec_to_sparsevec(halfvec, integer, boolean) RETURNS sparseve
CREATE FUNCTION sparsevec_to_halfvec(sparsevec, integer, boolean) RETURNS halfvec
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION sparsevec_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE CAST (sparsevec AS sparsevec)
WITH FUNCTION sparsevec(sparsevec, integer, boolean) AS IMPLICIT;
@@ -521,21 +546,25 @@ CREATE OPERATOR CLASS sparsevec_ops
CREATE OPERATOR CLASS sparsevec_l2_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <-> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_l2_squared_distance(sparsevec, sparsevec);
FUNCTION 1 sparsevec_l2_squared_distance(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_ip_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <#> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec);
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_cosine_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <=> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec),
FUNCTION 2 l2_norm(sparsevec),
FUNCTION 3 l2_normalize(sparsevec);
FUNCTION 3 l2_normalize(sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_l1_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <+> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(sparsevec, sparsevec);
FUNCTION 1 l1_distance(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);

59
sql/vector.sql
View File

@@ -322,6 +322,14 @@ CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
CREATE FUNCTION jaccard_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
-- bit private functions
CREATE FUNCTION bit_ivfflat_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION bit_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
-- bit operators
CREATE OPERATOR <~> (
@@ -340,17 +348,20 @@ CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING ivfflat AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 3 hamming_distance(bit, bit);
FUNCTION 3 hamming_distance(bit, bit),
FUNCTION 6 bit_ivfflat_support(internal);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit);
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 4 bit_hnsw_support(internal);
CREATE OPERATOR CLASS bit_jaccard_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <%> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 jaccard_distance(bit, bit);
FUNCTION 1 jaccard_distance(bit, bit),
FUNCTION 4 bit_hnsw_support(internal);
-- halfvec type
@@ -459,6 +470,12 @@ CREATE FUNCTION halfvec_accum(double precision[], halfvec) RETURNS double precis
CREATE FUNCTION halfvec_avg(double precision[]) RETURNS halfvec
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION halfvec_ivfflat_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION halfvec_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
-- halfvec aggregates
CREATE AGGREGATE avg(halfvec) (
@@ -620,7 +637,8 @@ CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING ivfflat AS
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 3 l2_distance(halfvec, halfvec);
FUNCTION 3 l2_distance(halfvec, halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING ivfflat AS
@@ -628,7 +646,8 @@ CREATE OPERATOR CLASS halfvec_ip_ops
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec);
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING ivfflat AS
@@ -637,29 +656,34 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 2 l2_norm(halfvec),
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec),
FUNCTION 5 l2_normalize(halfvec);
FUNCTION 5 l2_normalize(halfvec),
FUNCTION 6 halfvec_ivfflat_support(internal);
CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec);
FUNCTION 1 halfvec_l2_squared_distance(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_ip_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <#> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec);
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_cosine_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <=> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 2 l2_norm(halfvec),
FUNCTION 3 l2_normalize(halfvec);
FUNCTION 3 l2_normalize(halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
CREATE OPERATOR CLASS halfvec_l1_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <+> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(halfvec, halfvec);
FUNCTION 1 l1_distance(halfvec, halfvec),
FUNCTION 4 halfvec_hnsw_support(internal);
--- sparsevec type
@@ -755,6 +779,9 @@ CREATE FUNCTION halfvec_to_sparsevec(halfvec, integer, boolean) RETURNS sparseve
CREATE FUNCTION sparsevec_to_halfvec(sparsevec, integer, boolean) RETURNS halfvec
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION sparsevec_hnsw_support(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
-- sparsevec casts
CREATE CAST (sparsevec AS sparsevec)
@@ -844,21 +871,25 @@ CREATE OPERATOR CLASS sparsevec_ops
CREATE OPERATOR CLASS sparsevec_l2_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <-> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_l2_squared_distance(sparsevec, sparsevec);
FUNCTION 1 sparsevec_l2_squared_distance(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_ip_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <#> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec);
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_cosine_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <=> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 sparsevec_negative_inner_product(sparsevec, sparsevec),
FUNCTION 2 l2_norm(sparsevec),
FUNCTION 3 l2_normalize(sparsevec);
FUNCTION 3 l2_normalize(sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);
CREATE OPERATOR CLASS sparsevec_l1_ops
FOR TYPE sparsevec USING hnsw AS
OPERATOR 1 <+> (sparsevec, sparsevec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(sparsevec, sparsevec);
FUNCTION 1 l1_distance(sparsevec, sparsevec),
FUNCTION 4 sparsevec_hnsw_support(internal);

2
src/hnsw.c
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@@ -194,7 +194,7 @@ hnswhandler(PG_FUNCTION_ARGS)
IndexAmRoutine *amroutine = makeNode(IndexAmRoutine);
amroutine->amstrategies = 0;
amroutine->amsupport = 3;
amroutine->amsupport = 4;
#if PG_VERSION_NUM >= 130000
amroutine->amoptsprocnum = 0;
#endif

4
src/hnsw.h
View File

@@ -23,6 +23,7 @@
#define HNSW_DISTANCE_PROC 1
#define HNSW_NORM_PROC 2
#define HNSW_NORMALIZE_PROC 3
#define HNSW_TYPE_SUPPORT_PROC 4
#define HNSW_VERSION 1
#define HNSW_MAGIC_NUMBER 0xA953A953
@@ -62,7 +63,8 @@ typedef enum HnswType
HNSW_TYPE_VECTOR,
HNSW_TYPE_HALFVEC,
HNSW_TYPE_BIT,
HNSW_TYPE_SPARSEVEC
HNSW_TYPE_SPARSEVEC,
HNSW_TYPE_UNSUPPORTED
} HnswType;
/* Build phases */

52
src/hnswutils.c
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@@ -13,7 +13,6 @@
#include "utils/datum.h"
#include "utils/memdebug.h"
#include "utils/rel.h"
#include "utils/syscache.h"
#if PG_VERSION_NUM >= 130000
#include "common/hashfn.h"
@@ -159,32 +158,17 @@ HnswOptionalProcInfo(Relation index, uint16 procnum)
HnswType
HnswGetType(Relation index)
{
FmgrInfo *procinfo = HnswOptionalProcInfo(index, HNSW_TYPE_SUPPORT_PROC);
Oid typid = TupleDescAttr(index->rd_att, 0)->atttypid;
HeapTuple tuple;
Form_pg_type type;
HnswType result;
if (typid == BITOID)
return HNSW_TYPE_BIT;
if (procinfo == NULL)
return HNSW_TYPE_VECTOR;
tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for type %u", typid);
result = (HnswType) DatumGetInt32(FunctionCall1(procinfo, ObjectIdGetDatum(typid)));
type = (Form_pg_type) GETSTRUCT(tuple);
if (strcmp(NameStr(type->typname), "vector") == 0)
result = HNSW_TYPE_VECTOR;
else if (strcmp(NameStr(type->typname), "halfvec") == 0)
result = HNSW_TYPE_HALFVEC;
else if (strcmp(NameStr(type->typname), "sparsevec") == 0)
result = HNSW_TYPE_SPARSEVEC;
else
{
ReleaseSysCache(tuple);
if (result == HNSW_TYPE_UNSUPPORTED)
elog(ERROR, "type not supported for hnsw index");
}
ReleaseSysCache(tuple);
return result;
}
@@ -1318,3 +1302,29 @@ HnswFindElementNeighbors(char *base, HnswElement element, HnswElement entryPoint
ep = w;
}
}
PGDLLEXPORT PG_FUNCTION_INFO_V1(halfvec_hnsw_support);
Datum
halfvec_hnsw_support(PG_FUNCTION_ARGS)
{
PG_RETURN_INT32(HNSW_TYPE_HALFVEC);
};
PGDLLEXPORT PG_FUNCTION_INFO_V1(bit_hnsw_support);
Datum
bit_hnsw_support(PG_FUNCTION_ARGS)
{
Oid typid = PG_GETARG_OID(0);
if (typid == BITOID)
PG_RETURN_INT32(HNSW_TYPE_BIT);
else
PG_RETURN_INT32(HNSW_TYPE_UNSUPPORTED);
};
PGDLLEXPORT PG_FUNCTION_INFO_V1(sparsevec_hnsw_support);
Datum
sparsevec_hnsw_support(PG_FUNCTION_ARGS)
{
PG_RETURN_INT32(HNSW_TYPE_SPARSEVEC);
};

2
src/ivfflat.c
View File

@@ -188,7 +188,7 @@ ivfflathandler(PG_FUNCTION_ARGS)
IndexAmRoutine *amroutine = makeNode(IndexAmRoutine);
amroutine->amstrategies = 0;
amroutine->amsupport = 5;
amroutine->amsupport = 6;
#if PG_VERSION_NUM >= 130000
amroutine->amoptsprocnum = 0;
#endif

4
src/ivfflat.h
View File

@@ -29,6 +29,7 @@
#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_VERSION 1
#define IVFFLAT_MAGIC_NUMBER 0x14FF1A7
@@ -48,7 +49,8 @@ typedef enum IvfflatType
{
IVFFLAT_TYPE_VECTOR,
IVFFLAT_TYPE_HALFVEC,
IVFFLAT_TYPE_BIT
IVFFLAT_TYPE_BIT,
IVFFLAT_TYPE_UNSUPPORTED
} IvfflatType;
/* Build phases */

43
src/ivfutils.c
View File

@@ -5,7 +5,6 @@
#include "fmgr.h"
#include "ivfflat.h"
#include "storage/bufmgr.h"
#include "utils/syscache.h"
/*
* Allocate a vector array
@@ -68,30 +67,17 @@ IvfflatOptionalProcInfo(Relation index, uint16 procnum)
IvfflatType
IvfflatGetType(Relation index)
{
FmgrInfo *procinfo = IvfflatOptionalProcInfo(index, IVFFLAT_TYPE_SUPPORT_PROC);
Oid typid = TupleDescAttr(index->rd_att, 0)->atttypid;
HeapTuple tuple;
Form_pg_type type;
IvfflatType result;
if (typid == BITOID)
return IVFFLAT_TYPE_BIT;
if (procinfo == NULL)
return IVFFLAT_TYPE_VECTOR;
tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for type %u", typid);
result = (IvfflatType) DatumGetInt32(FunctionCall1(procinfo, ObjectIdGetDatum(typid)));
type = (Form_pg_type) GETSTRUCT(tuple);
if (strcmp(NameStr(type->typname), "vector") == 0)
result = IVFFLAT_TYPE_VECTOR;
else if (strcmp(NameStr(type->typname), "halfvec") == 0)
result = IVFFLAT_TYPE_HALFVEC;
else
{
ReleaseSysCache(tuple);
if (result == IVFFLAT_TYPE_UNSUPPORTED)
elog(ERROR, "type not supported for ivfflat index");
}
ReleaseSysCache(tuple);
return result;
}
@@ -259,3 +245,22 @@ IvfflatUpdateList(Relation index, ListInfo listInfo,
UnlockReleaseBuffer(buf);
}
}
PGDLLEXPORT PG_FUNCTION_INFO_V1(halfvec_ivfflat_support);
Datum
halfvec_ivfflat_support(PG_FUNCTION_ARGS)
{
PG_RETURN_INT32(IVFFLAT_TYPE_HALFVEC);
};
PGDLLEXPORT PG_FUNCTION_INFO_V1(bit_ivfflat_support);
Datum
bit_ivfflat_support(PG_FUNCTION_ARGS)
{
Oid typid = PG_GETARG_OID(0);
if (typid == BITOID)
PG_RETURN_INT32(IVFFLAT_TYPE_BIT);
else
PG_RETURN_INT32(IVFFLAT_TYPE_UNSUPPORTED);
};