Fix for NOT in where clause causing crash.

This commit is contained in:
Bruce Momjian 1998-11-09 02:49:13 +00:00
parent 39792e5b01
commit f03729c621
1 changed files with 6 additions and 1 deletions

View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.13 1998/09/01 04:29:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.14 1998/11/09 02:49:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -254,6 +254,11 @@ compute_selec(Query *root, List *clauses, List *or_selectivities)
*/
s1 = 0.1;
}
else if (not_clause((Node *) clause))
{
/* negate this baby */
return 1 - compute_selec(root, ((Expr *)clause)->args, or_selectivities);
}
else if (is_subplan((Node *) clause))
{