Fix thinko in re-setting wal_log_hints flag from a parameter-change record.

The flag is supposed to be copied from the record. Same issue with
track_commit_timestamps, but that's master-only.

Report and fix by Petr Jalinek. Backpatch to 9.4, where wal_log_hints was
added.

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index ce29af43647237d0fae1bbabf0503fd0f6fe07bf..c75e9c09de50b250105434955c885a871d302eee 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -9415,7 +9415,7 @@ xlog_redo(XLogRecPtr lsn, XLogRecord *record)
                ControlFile->max_prepared_xacts = xlrec.max_prepared_xacts;
                ControlFile->max_locks_per_xact = xlrec.max_locks_per_xact;
                ControlFile->wal_level = xlrec.wal_level;
-               ControlFile->wal_log_hints = wal_log_hints;
+               ControlFile->wal_log_hints = xlrec.wal_log_hints;
 
                /*
                 * Update minRecoveryPoint to ensure that if recovery is aborted, we