From ad17ff95cf0d3df41aa2a7bbc03960d42b8da9f3 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Mon, 2 Aug 2010 16:26:48 +0000
Subject: Add btree_gist support for searching on "not equals".

Jeff Davis, with slight editorialization by me.
---
 contrib/btree_gist/btree_utils_num.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'contrib/btree_gist/btree_utils_num.c')

diff --git a/contrib/btree_gist/btree_utils_num.c b/contrib/btree_gist/btree_utils_num.c
index ff206dcda82..e4b4824769f 100644
--- a/contrib/btree_gist/btree_utils_num.c
+++ b/contrib/btree_gist/btree_utils_num.c
@@ -1,5 +1,5 @@
 /*
- * $PostgreSQL: pgsql/contrib/btree_gist/btree_utils_num.c,v 1.12 2009/06/11 14:48:50 momjian Exp $
+ * $PostgreSQL: pgsql/contrib/btree_gist/btree_utils_num.c,v 1.13 2010/08/02 16:26:48 rhaas Exp $
  */
 #include "btree_gist.h"
 #include "btree_utils_num.h"
@@ -225,6 +225,10 @@ gbt_num_consistent(
 		case BTGreaterEqualStrategyNumber:
 			retval = (*tinfo->f_le) (query, key->upper);
 			break;
+		case BtreeGistNotEqualStrategyNumber:
+			retval = ! ((*tinfo->f_eq) (query, key->lower) &&
+				(*tinfo->f_eq) (query, key->upper));
+			break;
 		default:
 			retval = FALSE;
 	}
-- 
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