From da083b20f63739130dd65d8f0ca4a49b6db31cfe Mon Sep 17 00:00:00 2001 From: Robert Haas Date: Wed, 27 Dec 2023 08:41:53 -0500 Subject: [PATCH] Initialize variable to placate compiler. I don't think there's a real problem here, because if we reach the loop over 'tles' then we will either find at least one TimeLineHistoryEntry such that oldest_segno != 0, in which case unsummarized_lsn will be initialized, or else unsummarized_tli will remain 0 and an error will occur before unsummarized_lsn is used for anything. But some compilers are complainining, as reported on list by Nathan Bossart and off-list by Andrew Dunstan. Discussion: http://postgr.es/m/20231223215147.GA69623@nathanxps13 --- src/backend/postmaster/walsummarizer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backend/postmaster/walsummarizer.c b/src/backend/postmaster/walsummarizer.c index 9b5d3cdeb0..0cf6bbe59d 100644 --- a/src/backend/postmaster/walsummarizer.c +++ b/src/backend/postmaster/walsummarizer.c @@ -438,7 +438,7 @@ GetOldestUnsummarizedLSN(TimeLineID *tli, bool *lsn_is_exact, LWLockMode mode = reset_pending_lsn ? LW_EXCLUSIVE : LW_SHARED; int n; List *tles; - XLogRecPtr unsummarized_lsn; + XLogRecPtr unsummarized_lsn = InvalidXLogRecPtr; TimeLineID unsummarized_tli = 0; bool should_make_exact = false; List *existing_summaries;