stable not immutable, since it depends on system catalog contents.
DATA(insert OID = 1686 ( pg_get_keywords PGNSP PGUID 12 10 400 0 f f t t s 0 2249 "" "{25,18,25}" "{o,o,o}" "{word,catcode,catdesc}" pg_get_keywords _null_ _null_ _null_ ));
DESCR("list of SQL keywords");
-DATA(insert OID = 1619 ( pg_typeof PGNSP PGUID 12 1 0 0 f f f f i 1 2206 "2276" _null_ _null_ _null_ pg_typeof _null_ _null_ _null_ ));
+DATA(insert OID = 1619 ( pg_typeof PGNSP PGUID 12 1 0 0 f f f f s 1 2206 "2276" _null_ _null_ _null_ pg_typeof _null_ _null_ _null_ ));
DESCR("returns the type of the argument");
/* Generic referential integrity constraint triggers */