-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.311.2.5 2007/03/27 03:25:43 tgl Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.311.2.6 2007/11/06 08:32:57 meskes Exp $ */
/* Copyright comment */
%{
$$ = cat2_str($1, $2);
}
+ | /* EMPTY */
+ {
+ $$ = EMPTY;
+ }
;
ConstraintDeferrabilitySpec: NOT DEFERRABLE
{ $$ = cat_str(4, make_str("delete from"), $3, $4, $5); }
;
-using_clause: USING from_list { cat2_str(make_str("using"), $2); }
+using_clause: USING from_list { $$ = cat2_str(make_str("using"), $2); }
| /* EMPTY */ { $$ = EMPTY; }
;