Preventing intersection of ranges during page split. Changes are only

optimization, so don't backpatch.

1 files changed, 10 insertions, 7 deletions

diff --git a/contrib/btree_gist/btree_interval.c b/contrib/btree_gist/btree_interval.c
index b1368479237..277835074b6 100644
--- a/contrib/btree_gist/btree_interval.c
+++ b/contrib/btree_gist/btree_interval.c
@@ -1,5 +1,5 @@
 /*
- * $PostgreSQL: pgsql/contrib/btree_gist/btree_interval.c,v 1.12 2009/06/11 14:48:50 momjian Exp $
+ * $PostgreSQL: pgsql/contrib/btree_gist/btree_interval.c,v 1.13 2009/12/02 13:13:24 teodor Exp $
  */
 #include "btree_gist.h"
 #include "btree_utils_num.h"
@@ -65,12 +65,15 @@ gbt_intvlt(const void *a, const void *b)
 static int
 gbt_intvkey_cmp(const void *a, const void *b)
 {
-	return DatumGetInt32(
-						 DirectFunctionCall2(interval_cmp,
-										  IntervalPGetDatum(((Nsrt *) a)->t),
-										   IntervalPGetDatum(((Nsrt *) b)->t)
-											 )
-		);
+    intvKEY *ia = (intvKEY*)(((Nsrt *) a)->t);
+	intvKEY *ib = (intvKEY*)(((Nsrt *) b)->t);
+	int res;
+
+	res = DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->lower), IntervalPGetDatum(&ib->lower)));
+	if (res == 0)
+		return DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->upper), IntervalPGetDatum(&ib->upper)));
+
+	return res;
 }