From f5171e334e6ede388db85af3cc182ca4d5e16207 Mon Sep 17 00:00:00 2001
From: tangenta <tangenta@126.com>
Date: Thu, 10 Nov 2022 22:25:52 +0800
Subject: [PATCH] executor: fix admin show job panic when upgrade from v4.0 to
 v6.4 (#39067)

close pingcap/tidb#38980
---
 executor/executor.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/executor/executor.go b/executor/executor.go
index 3d10ff32a5168..6401d41e7e77e 100644
--- a/executor/executor.go
+++ b/executor/executor.go
@@ -602,9 +602,11 @@ func (e *DDLJobRetriever) appendJobToChunk(req *chunk.Chunk, job *model.Job, che
 
 func showAddIdxReorgTp(job *model.Job) string {
 	if job.Type == model.ActionAddIndex || job.Type == model.ActionAddPrimaryKey {
-		tp := job.ReorgMeta.ReorgTp.String()
-		if len(tp) > 0 {
-			return " /* " + tp + " */"
+		if job.ReorgMeta != nil {
+			tp := job.ReorgMeta.ReorgTp.String()
+			if len(tp) > 0 {
+				return " /* " + tp + " */"
+			}
 		}
 	}
 	return ""