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Only update entry point on inserts if level is greater

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This commit is contained in:
Andrew Kane
2023-08-15 12:31:06 -07:00
parent 86a062e504
commit c3bafc76e8
5 changed files with 14 additions and 11 deletions
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6
src/hnswutils.c
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@@ -237,7 +237,7 @@ HnswGetEntryPoint(Relation index)
* Update the metapage info
*/
void
HnswUpdateMetaPageInfo(Page page, bool updateEntry, HnswElement entryPoint, BlockNumber insertPage)
HnswUpdateMetaPageInfo(Page page, int updateEntry, HnswElement entryPoint, BlockNumber insertPage)
{
HnswMetaPage metap = HnswPageGetMeta(page);
@@ -249,7 +249,7 @@ HnswUpdateMetaPageInfo(Page page, bool updateEntry, HnswElement entryPoint, Bloc
metap->entryOffno = InvalidOffsetNumber;
metap->entryLevel = -1;
}
else
else if (entryPoint->level > metap->entryLevel || updateEntry == HNSW_UPDATE_ENTRY_ALWAYS)
{
metap->entryBlkno = entryPoint->blkno;
metap->entryOffno = entryPoint->offno;
@@ -265,7 +265,7 @@ HnswUpdateMetaPageInfo(Page page, bool updateEntry, HnswElement entryPoint, Bloc
* Update the metapage
*/
void
HnswUpdateMetaPage(Relation index, bool updateEntry, HnswElement entryPoint, BlockNumber insertPage, ForkNumber forkNum)
HnswUpdateMetaPage(Relation index, int updateEntry, HnswElement entryPoint, BlockNumber insertPage, ForkNumber forkNum)
{
Buffer buf;
Page page;