database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-13 07:41:39 +03:00
Code Activity

gram.y: ALL_SUBLINK type was returned for x Op (subquery).

Browse Source 
parse_expr.c: only Op of bool type are supported currently...
This commit is contained in:
Vadim B. Mikheev
1998-02-13 08:10:33 +00:00
parent 64e7adb07b
commit 6eeb3d9eac
2 changed files with 177 additions and 166 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/backend/parser/parse_expr.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.20 1998/02/13 03:41:23 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.21 1998/02/13 08:10:33 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -264,7 +264,7 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
if (length(left_expr) !=
length(right_expr))
elog(ERROR,"Subselect has too many or too few fields.");
elog(ERROR,"parser: Subselect has too many or too few fields.");
sublink->oper = NIL;
foreach(elist, left_expr)
@ -275,6 +275,17 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
Expr *op_expr;
op_expr = make_op(op, lexpr, tent->expr);
/*
* HACK! Second IF is more valid but currently
* we don't support EXPR subqueries inside
* expressions generally, only in WHERE clauses.
* After fixing this, first IF must be removed.
*/
if (op_expr->typeOid != BOOLOID)
elog (ERROR, "parser: '%s' must return 'bool' to be used with subquery", op);
if (op_expr->typeOid != BOOLOID &&
sublink->subLinkType != EXPR_SUBLINK)
elog (ERROR, "parser: '%s' must return 'bool' to be used with quantified predicate subquery", op);
sublink->oper = lappend(sublink->oper, op_expr);
right_expr = lnext(right_expr);
}