Function InvalidateSystemCaches

src/backend/utils/cache/inval.c:713–717

* InvalidateSystemCaches * * This blows away all tuples in the system catalog caches and * all the cached relation descriptors and smgr cache entries. * Relation descriptors that have positive refcounts are then rebuilt. * * We call this when we see a shared-inval-queue overflow signal, * since that tells us we've lost some shared-inval messages and hence * don't know what needs to

 *		don't know what needs to be invalidated.
 */
void
InvalidateSystemCaches(void)
{
	InvalidateSystemCachesExtended(false);
}

void
InvalidateSystemCachesExtended(bool debug_discard)