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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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43
src/ivfutils.c
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@@ -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);
};