From b946244c1c809e1786fa23c9fa098d0842ef5c96 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 27 Jan 1999 16:48:20 +0000
Subject: [PATCH] Quick fix for subplan-related crash.

---
 src/backend/executor/execMain.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 79cffc49f8f..a48bbe82bae 100644
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -26,7 +26,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.64 1999/01/27 00:36:20 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.65 1999/01/27 16:48:20 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -376,7 +376,7 @@ ExecCheckPerms(CmdType operation,
 	if (!ok)
 		elog(ERROR, "%s: %s", rname.data, aclcheck_error_strings[aclcheck_result]);
 
-	if (parseTree->rowMark != NULL)
+	if (parseTree != NULL && parseTree->rowMark != NULL)
 	{
 		foreach(lp, parseTree->rowMark)
 		{
-- 
2.39.5