liuyu/pgvector
1
0
Fork 0
mirror of https://github.com/pgvector/pgvector.git synced 2026-06-06 05:51:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

Moved LoadElementsForInsert to separate function and removed unused code path

Browse Source
This commit is contained in:
Andrew Kane
2024-09-29 19:12:38 -07:00
parent ee43ee9b16
commit 648dd8af78
1 changed files with 27 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
src/hnswutils.c
View File

@@ -1074,6 +1074,32 @@ AddConnections(char *base, HnswElement element, List *neighbors, int lc)
a->items[a->length++] = *((HnswCandidate *) lfirst(lc2));
}
/*
* Load elements for insert
*/
static void
LoadElementsForInsert(HnswNeighborArray * neighbors, Datum q, HnswCandidate * *pruned, Relation index, FmgrInfo *procinfo, Oid collation)
{
char *base = NULL;
for (int i = 0; i < neighbors->length; i++)
{
HnswCandidate *hc = &neighbors->items[i];
HnswElement element = HnswPtrAccess(base, hc->element);
double distance;
HnswLoadElement(element, &distance, &q, index, procinfo, collation, true, NULL);
hc->distance = distance;
/* Prune element if being deleted */
if (element->heaptidsLength == 0)
{
*pruned = &neighbors->items[i];
break;
}
}
}
/*
* Update connections
*/
@@ -1101,32 +1127,7 @@ HnswUpdateConnection(char *base, HnswElement element, HnswCandidate * hc, HnswNe
/* Load elements on insert */
if (index != NULL)
{
Datum q = HnswGetValue(base, hce);
for (int i = 0; i < currentNeighbors->length; i++)
{
HnswCandidate *hc3 = &currentNeighbors->items[i];
HnswElement hc3Element = HnswPtrAccess(base, hc3->element);
if (HnswPtrIsNull(base, hc3Element->value))
{
double distance;
HnswLoadElement(hc3Element, &distance, &q, index, procinfo, collation, true, NULL);
hc3->distance = distance;
}
else
hc3->distance = GetElementDistance(base, hc3Element, q, procinfo, collation);
/* Prune element if being deleted */
if (hc3Element->heaptidsLength == 0)
{
pruned = &currentNeighbors->items[i];
break;
}
}
}
LoadElementsForInsert(currentNeighbors, HnswGetValue(base, hce), &pruned, index, procinfo, collation);
if (pruned == NULL)
{