From caead7fcaa89139091509cf90a6030371280e97f Mon Sep 17 00:00:00 2001
From: Charles0429 <xiezhenjiang@gmail.com>
Date: Sat, 24 Dec 2022 04:11:47 +0000
Subject: [PATCH] fix on update execution core dump

---
 src/rootserver/ddl_task/ob_ddl_scheduler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/rootserver/ddl_task/ob_ddl_scheduler.cpp b/src/rootserver/ddl_task/ob_ddl_scheduler.cpp
index f52d27a0c..b1e20482a 100644
--- a/src/rootserver/ddl_task/ob_ddl_scheduler.cpp
+++ b/src/rootserver/ddl_task/ob_ddl_scheduler.cpp
@@ -1318,7 +1318,9 @@ int ObDDLScheduler::on_update_execution_id(
     } else if (OB_FAIL(ddl_task->push_execution_id())) {
       LOG_WARN("fail to push execution id", K(ret), KPC(ddl_task));
     }
-    ret_execution_id = ddl_task->get_execution_id();  // ignore ret, if fail, take old execution id
+    if (nullptr != ddl_task) {
+      ret_execution_id = ddl_task->get_execution_id();  // ignore ret, if fail, take old execution id
+    }
   }
   return ret;
 }