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Commit65b0d1f

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Fix snapshot handling bug in recent BRIN fix
Commita95e3d8 added ActiveSnapshot push+pop when processingwork-items (BRIN autosummarization), but forgot to handle the case ofa transaction failing during the run, which drops the snapshot untimely.Fix by making the pop conditional on an element being actually there.Author: Álvaro Herrera <alvherre@kurilemu.de>Backpatch-through: 13Discussion:https://postgr.es/m/202511041648.nofajnuddmwk@alvherre.pgsql
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‎src/backend/postmaster/autovacuum.c‎

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@@ -2625,7 +2625,8 @@ do_autovacuum(void)
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PushActiveSnapshot(GetTransactionSnapshot());
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perform_work_item(workitem);
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PopActiveSnapshot();
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if (ActiveSnapshotSet())/* transaction could have aborted */
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PopActiveSnapshot();
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/*
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* Check for config changes before acquiring lock for further jobs.

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