Function EventCacheLookup

src/backend/utils/cache/evtcache.c:63–72

* Search the event cache by trigger event. * * Note that the caller had better copy any data it wants to keep around * across any operation that might touch a system catalog into some other * memory context, since a cache reset could blow the return value away. */

 * memory context, since a cache reset could blow the return value away.
 */
List *
EventCacheLookup(EventTriggerEvent event)
{
	EventTriggerCacheEntry *entry;

	if (EventTriggerCacheState != ETCS_VALID)
		BuildEventTriggerCache();
	entry = hash_search(EventTriggerCache, &event, HASH_FIND, NULL);
	return entry != NULL ? entry->triggerlist : NIL;
}

/*
 * Rebuild the event trigger cache.