Silence compiler warning in Assert()

gcc 6.3 does not whine about this mistake I made in 39808e8868c8 but
evidently lots of other compilers do, according to Michael Paquier,
Peter Eisentraut, Arthur Zakirov, Tomas Vondra.

Discussion: too many to list

diff --git a/src/backend/commands/event_trigger.c b/src/backend/commands/event_trigger.c
index 782cb2d526d4a63a2a55e451a482ea464e594fa0..3e58a7236c0f359c63878f969e994c7135bde459 100644 (file)
--- a/src/backend/commands/event_trigger.c
+++ b/src/backend/commands/event_trigger.c
@@ -1764,7 +1764,7 @@ EventTriggerCollectAlterTableSubcmd(Node *subcmd, ObjectAddress address)
                return;
 
        Assert(IsA(subcmd, AlterTableCmd));
-       Assert(OidIsValid(currentEventTriggerState->currentCommand));
+       Assert(currentEventTriggerState->currentCommand != NULL);
        Assert(OidIsValid(currentEventTriggerState->currentCommand->d.alterTable.objectId));
 
        oldcxt = MemoryContextSwitchTo(currentEventTriggerState->cxt);