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authorBruce Momjian1998-11-09 02:49:35 +0000
committerBruce Momjian1998-11-09 02:49:35 +0000
commit190cc6354f5860f8dc4085f0c81d7c76ed2dec7c (patch)
tree639ec0384bbae945ea8d5f553419d90a8643f9e9
parent7f73a23fd73d60a04ce616dd7f5dfaabcc8026ad (diff)
Fix for NOT in where clause causing crash.
-rw-r--r--src/backend/optimizer/path/clausesel.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c
index 8a0536c7bbe..dd13bfde550 100644
--- a/src/backend/optimizer/path/clausesel.c
+++ b/src/backend/optimizer/path/clausesel.c
@@ -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 1.13.2.1 1998/11/09 02:49:35 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))
{