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Fix HNSW insert and vacuum race

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This commit is contained in:
Bhagyesh Chaturvedi
2026-06-23 06:00:23 +00:00
parent 0dbc1a27c0
commit ffe28bb954
1 changed files with 6 additions and 3 deletions
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9
src/hnswvacuum.c
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@@ -584,13 +584,16 @@ MarkDeleted(HnswVacuumState * vacuumstate)
BufferAccessStrategy bas = vacuumstate->bas;
/*
* Wait for index scans to complete. Scans before this point may contain
* tuples about to be deleted. Scans after this point will not, since the
* graph has been repaired.
* Wait for index scans and inserts to complete. Scans and inserts before
* this point may contain tuples about to be deleted. Scans and inserts
* after this point will not, since the graph has been repaired.
*/
LockPage(index, HNSW_SCAN_LOCK, ExclusiveLock);
UnlockPage(index, HNSW_SCAN_LOCK, ExclusiveLock);
LockPage(index, HNSW_UPDATE_LOCK, ExclusiveLock);
UnlockPage(index, HNSW_UPDATE_LOCK, ExclusiveLock);
while (BlockNumberIsValid(blkno))
{
Buffer buf;