From f5f366e18829c982273540d88a1ac81c9c85d401 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 6 Aug 1997 03:42:21 +0000
Subject: Allow internal sorts to be stored in memory rather than in files.

---
 src/backend/executor/nodeMergejoin.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'src/backend/executor/nodeMergejoin.c')

diff --git a/src/backend/executor/nodeMergejoin.c b/src/backend/executor/nodeMergejoin.c
index 29e349bda9e..65d8482cad7 100644
--- a/src/backend/executor/nodeMergejoin.c
+++ b/src/backend/executor/nodeMergejoin.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/executor/nodeMergejoin.c,v 1.5 1996/11/10 02:59:54 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/executor/nodeMergejoin.c,v 1.6 1997/08/06 03:41:29 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -374,6 +374,18 @@ ExecMergeTupleDump(ExprContext *econtext, MergeJoinState *mergestate)
     printf("******** \n");
 }
  
+static void
+CleanUpSort(Plan *plan) {
+
+    if (plan == NULL)
+	return;
+    
+    if (plan->type == T_Sort) {
+	Sort *sort = (Sort *)plan;
+	psort_end(sort);
+    }
+}
+
 /* ----------------------------------------------------------------
  *   	ExecMergeJoin
  *
@@ -676,6 +688,8 @@ ExecMergeJoin(MergeJoin *node)
 	     */
             if (TupIsNull(outerTupleSlot)) {
 		MJ_printf("ExecMergeJoin: **** outer tuple is nil ****\n");
+		CleanUpSort(node->join.lefttree->lefttree);
+		CleanUpSort(node->join.righttree->lefttree);
 		return NULL;
 	    }
 	    
-- 
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