On Thu, Mar 05, 2026 at 03:40:44AM +0000, David Steele wrote: > I wrote the tests for recovery_target_timeline but I was not too satisfied > with them because starting Postgres is fairly expensive.
+# Invalid recovery_target_xid tests
+$node_standby = PostgreSQL::Test::Cluster->new('standby_10');
+$node_standby->init_from_backup($node_primary, 'my_backup',
+ has_restoring => 1);
+$node_standby->start;
+
+my ($result, $stdout, $stderr) = $node_primary->psql('postgres',
+ "ALTER SYSTEM SET recovery_target_xid TO 'bogus'");
+like(
+ $stderr,
+ qr/is not a valid number/,
+ "invalid recovery_target_xid (bogus value)");
Smart move to rely on ALTER SYSTEM to check how the GUC callback is
reacting on incorrect input values. Why do you need to create and
start a new standby if it is not used, then?
--
Michael
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