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Commit05a304a

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Make SP-GiST redirect cleanup more aggressive.
Commit61b313e made VACUUM pass down a heaprel to index AM bulkdeleteand vacuumcleanup routines. Although this was primarily intended aspreparation for logical decoding on standbys, it also made it easy tocorrect an old deficiency in how we determine how to cleanup SP-GiSTredirect and placeholder tuples.Pass the heaprel to GlobalVisTestFor() during cleanup of redirect andplaceholder tuples, rather than pessimistically passing NULL.Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>Discussion:https://postgr.es/m/02392033-f030-a3c8-c7d0-5c27eb529fec@gmail.com
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‎src/backend/access/spgist/spgvacuum.c

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -507,8 +507,7 @@ vacuumRedirectAndPlaceholder(Relation index, Relation heaprel, Buffer buffer)
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xlrec.nToPlaceholder=0;
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xlrec.snapshotConflictHorizon=InvalidTransactionId;
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/* XXX: providing heap relation would allow more pruning */
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vistest=GlobalVisTestFor(NULL);
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vistest=GlobalVisTestFor(heaprel);
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START_CRIT_SECTION();
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