liuyu/pgvector
1
0
Fork 0
mirror of https://github.com/pgvector/pgvector.git synced 2026-06-30 01:31:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improved code for item size [skip ci]

Browse Source
This commit is contained in:
Andrew Kane
2024-04-11 21:14:48 -07:00
parent af7d9b74a9
commit f2bffff460
1 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/ivfbuild.c
View File

@@ -328,6 +328,20 @@ GetMaxDimensions(IvfflatType type)
return maxDimensions;
}
/*
* Get item size
*/
static Size
GetItemSize(IvfflatType type, int dimensions)
{
if (type == IVFFLAT_TYPE_VECTOR)
return VECTOR_SIZE(dimensions);
else if (type == IVFFLAT_TYPE_HALFVEC)
return HALFVEC_SIZE(dimensions);
else
elog(ERROR, "Unsupported type");
}
/*
* Initialize the build state
*/
@@ -374,7 +388,7 @@ InitBuildState(IvfflatBuildState * buildstate, Relation heap, Relation index, In
buildstate->slot = MakeSingleTupleTableSlot(buildstate->tupdesc, &TTSOpsVirtual);
buildstate->centers = VectorArrayInit(buildstate->lists, buildstate->dimensions, buildstate->type == IVFFLAT_TYPE_HALFVEC ? HALFVEC_SIZE(buildstate->dimensions) : VECTOR_SIZE(buildstate->dimensions));
buildstate->centers = VectorArrayInit(buildstate->lists, buildstate->dimensions, GetItemSize(buildstate->type, buildstate->dimensions));
buildstate->listInfo = palloc(sizeof(ListInfo) * buildstate->lists);
buildstate->tmpCtx = AllocSetContextCreate(CurrentMemoryContext,