Re: [HACKERS] subquery syntax broken

> vac=> select * from x where y = (select max(y) from x);
> ERROR: parser: parse error at or near "select"
> vac=> select * from x where y <> (select max(y) from x);
> ERROR: parser: parse error at or near "select"

Sorry I missed that most obvious option. Here is the patch. I will
apply it today.

---------------------------------------------------------------------------

*** ./backend/parser/gram.y.orig Mon Feb 2 11:51:05 1998
--- ./backend/parser/gram.y Mon Feb 2 11:59:12 1998
***************
*** 3330,3335 ****
--- 3330,3345 ----
n->subselect = $5;
$$ = (Node *)n;
}
+ | a_expr Op '(' SubSelect ')'
+ {
+ SubLink *n = makeNode(SubLink);
+ n->lefthand = lcons($1, NULL);
+ n->oper = lcons($2,NIL);
+ n->useor = false;
+ n->subLinkType = ALL_SUBLINK;
+ n->subselect = $4;
+ $$ = (Node *)n;
+ }
| a_expr AND a_expr
{ $$ = makeA_Expr(AND, NULL, $1, $3); }
| a_expr OR a_expr

--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us