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In '(a,b,...) Op [ANY|ALL] (SubSelect)' Op is restricted to 

'=' and '<>'.
This commit is contained in:
Vadim B. Mikheev 1998-02-27 16:07:02 +00:00
parent 96ac738269
commit b0571ebf65
1 changed files with 6 additions and 2 deletions
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8
src/backend/parser/parse_expr.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.22 1998/02/26 04:33:30 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.23 1998/02/27 16:07:02 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -266,7 +266,11 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
if (length(left_expr) !=
length(right_expr))
elog(ERROR, "parser: Subselect has too many or too few fields.");
if (length(left_expr) > 1 &&
strcmp (op, "=") != 0 && strcmp (op, "<>") != 0)
elog(ERROR, "parser: '%s' is not relational operator", op);
sublink->oper = NIL;
foreach(elist, left_expr)
{