From 38cb0e345ded84120075524838cc5e3d3cceb8b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=B6=85?= <cclcwangchao@hotmail.com>
Date: Fri, 8 Apr 2022 17:50:33 +0800
Subject: [PATCH] *: fix wrong modification for introduced from #33818 (#33831)

close pingcap/tidb#33814
---
 session/session.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/session/session.go b/session/session.go
index 15e29a9523ab8..d79710fe93ad7 100644
--- a/session/session.go
+++ b/session/session.go
@@ -2270,7 +2270,7 @@ func (s *session) cachedPlanExec(ctx context.Context,
 // IsPointGetWithPKOrUniqueKeyByAutoCommit
 func (s *session) IsCachedExecOk(ctx context.Context, preparedStmt *plannercore.CachedPrepareStmt, isStaleness bool) (bool, error) {
 	prepared := preparedStmt.PreparedAst
-	if isStaleness {
+	if prepared.CachedPlan == nil || isStaleness {
 		return false, nil
 	}
 	// check auto commit