From 9b252f56d1cad3e12001829bbb61c51cc742e9e0 Mon Sep 17 00:00:00 2001 From: Michael Paquier Date: Tue, 18 Jun 2024 10:59:31 +0900 Subject: [PATCH 2/4] Add assertion in pgstat_write_statsfile() This routine can currently only be called from the postmaster in single-user mode or the checkpointer, so make sure that this is always the case. --- src/backend/utils/activity/pgstat.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/backend/utils/activity/pgstat.c b/src/backend/utils/activity/pgstat.c index 824f742bde..9cdd986582 100644 --- a/src/backend/utils/activity/pgstat.c +++ b/src/backend/utils/activity/pgstat.c @@ -1317,6 +1317,9 @@ pgstat_write_statsfile(XLogRecPtr redo) pgstat_assert_is_up(); + /* should be called only by the checkpointer or single user mode */ + Assert(!IsUnderPostmaster || MyBackendType == B_CHECKPOINTER); + /* we're shutting down, so it's ok to just override this */ pgstat_fetch_consistency = PGSTAT_FETCH_CONSISTENCY_NONE; -- 2.45.1