Quick fix for subplan-related crash.

diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 79cffc49f8f698b61aa8def87eeb9f7996533c6f..a48bbe82bae87ce113086b5e9eddcb846d6c8cf2 100644 (file)
--- 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)
        {