Function get_rel_persistence

src/backend/utils/cache/lsyscache.c:2703–2718

* get_rel_persistence * * Returns the relpersistence associated with a given relation. */

 *		Returns the relpersistence associated with a given relation.
 */
char
get_rel_persistence(Oid relid)
{
	HeapTuple	tp;
	Form_pg_class reltup;
	char		result;

	tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
	if (!HeapTupleIsValid(tp))
		elog(ERROR, "cache lookup failed for relation %u", relid);
	reltup = (Form_pg_class) GETSTRUCT(tp);
	result = reltup->relpersistence;
	ReleaseSysCache(tp);

	return result;
}


/*				---------- TRANSFORM CACHE ----------						 */