For many relations the result is the same as pg_class.relfilenode, but for specified program catalogs relfilenode is zero which purpose need to be used to get the correct worth. The function returns NULL if passed a relation that doesn't have storage, for instance a see. มีตัวเลือกเกมคาสิโน ครบวงจร หลากหลาย Therefore https://pgslot-sun.com/