From e0f81d98b08512f540300a0c3061480b62917b57 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Herrera?= Date: Mon, 3 Nov 2025 12:20:22 +0100 Subject: [PATCH] Brin autosummarization may need a snapshot MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It's possible to define BRIN indexes on functions that require a snapshot to run, but the autosummarization feature introduced by commit 7526e10224f0 fails to provide one. Repair. Author: Álvaro Herrera Reported-by: Giovanni Fabris Reported-by: Arthur Nascimento Backpatch-through: 13 Discussion: https://postgr.es/m/202511031106.h4fwyuyui6fz@alvherre.pgsql --- src/backend/postmaster/autovacuum.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c index 23cca675f00..2d10ee22377 100644 --- a/src/backend/postmaster/autovacuum.c +++ b/src/backend/postmaster/autovacuum.c @@ -2596,7 +2596,9 @@ deleted: workitem->avw_active = true; LWLockRelease(AutovacuumLock); + PushActiveSnapshot(GetTransactionSnapshot()); perform_work_item(workitem); + PopActiveSnapshot(); /* * Check for config changes before acquiring lock for further jobs. -- 2.47.3