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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
This commit is contained in:
Robert Haas 2023-12-27 08:41:53 -05:00
parent 7e6fb5da41
commit da083b20f6
1 changed files with 1 additions and 1 deletions
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2
src/backend/postmaster/walsummarizer.c
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@ -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;