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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/hnswinsert.c
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@@ -410,7 +410,7 @@ HnswAddEntryPoint(Relation index, HnswElement element, int m, HnswElement * entr
page = GenericXLogRegisterBuffer(state, buf, 0);
/* Update the metapage info */
HnswUpdateMetaPageInfo(page, true, element, newInsertPage);
HnswUpdateMetaPageInfo(page, HNSW_UPDATE_ENTRY_ALWAYS, element, newInsertPage);
/* Commit and unlock */
HnswCommitBuffer(buf, state);
@@ -488,14 +488,14 @@ WriteElement(Relation index, FmgrInfo *procinfo, Oid collation, HnswElement elem
/* Update insert page if needed */
if (BlockNumberIsValid(newInsertPage))
HnswUpdateMetaPage(index, false, NULL, newInsertPage, MAIN_FORKNUM);
HnswUpdateMetaPage(index, 0, NULL, newInsertPage, MAIN_FORKNUM);
/* Update neighbors */
UpdateNeighborPages(index, procinfo, collation, element, m);
/* Update metapage if needed */
if (element->level > entryPoint->level)
HnswUpdateMetaPage(index, true, element, InvalidBlockNumber, MAIN_FORKNUM);
HnswUpdateMetaPage(index, HNSW_UPDATE_ENTRY_GREATER, element, InvalidBlockNumber, MAIN_FORKNUM);
}
/*