Ensure standby promotion point in 043_wal_replay_wait.pl

akorotkov · akorotkov · commit 2520226c953c · 2024-09-17T22:51:06.000+03:00
This commit ensures standby will be promoted at least at the primary insert LSN we have just observed. We use pg_switch_wal() to force the insert LSN to be written then wait for standby to catchup. Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/1d7b08f2-64a2-77fb-c666-c9a74c68eeda%40gmail.com
diff --git a/src/test/recovery/t/043_wal_replay_wait.pl b/src/test/recovery/t/043_wal_replay_wait.pl
@@ -177,6 +177,12 @@
 	CALL pg_wal_replay_wait('${lsn4}');
 ]);
 
+# Make sure standby will be promoted at least at the primary insert LSN we
+# have just observed.  Use pg_switch_wal() to force the insert LSN to be
+# written then wait for standby to catchup.
+$node_primary->safe_psql('postgres', 'SELECT pg_switch_wal();');
+$node_primary->wait_for_catchup($node_standby);
+
 $log_offset = -s $node_standby->logfile;
 $node_standby->promote;
 $node_standby->wait_for_log('recovery is not in progress', $log_offset);
