From 67d17193d761b9fb1006dab243eb428b594d9734 Mon Sep 17 00:00:00 2001
From: fzzf678 <108643977+fzzf678@users.noreply.github.com>
Date: Mon, 30 Jan 2023 17:10:02 +0800
Subject: [PATCH 1/2] commit

---
 infoschema/cluster_tables_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/infoschema/cluster_tables_test.go b/infoschema/cluster_tables_test.go
index 781f52bebe519..3ccfe5e619053 100644
--- a/infoschema/cluster_tables_test.go
+++ b/infoschema/cluster_tables_test.go
@@ -1053,6 +1053,7 @@ func TestSetBindingStatusBySQLDigest(t *testing.T) {
 	tk.MustExec(sql)
 	tk.MustQuery("select @@last_plan_from_binding").Check(testkit.Rows("1"))
 	tk.MustGetErrMsg("set binding enabled for sql digest '2'", "can't find any binding for '2'")
+	tk.MustGetErrMsg("set binding enabled for sql digest ''", "sql digest is empty")
 }
 
 func TestCreateBindingWhenCloseStmtSummaryTable(t *testing.T) {

From a218c0743771a5153ecf75e660b038c7e71773c1 Mon Sep 17 00:00:00 2001
From: fzzf678 <108643977+fzzf678@users.noreply.github.com>
Date: Mon, 30 Jan 2023 17:15:15 +0800
Subject: [PATCH 2/2] Update cluster_tables_test.go

---
 infoschema/cluster_tables_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/infoschema/cluster_tables_test.go b/infoschema/cluster_tables_test.go
index 3ccfe5e619053..ce73bb726ae4c 100644
--- a/infoschema/cluster_tables_test.go
+++ b/infoschema/cluster_tables_test.go
@@ -1054,6 +1054,7 @@ func TestSetBindingStatusBySQLDigest(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_binding").Check(testkit.Rows("1"))
 	tk.MustGetErrMsg("set binding enabled for sql digest '2'", "can't find any binding for '2'")
 	tk.MustGetErrMsg("set binding enabled for sql digest ''", "sql digest is empty")
+	tk.MustGetErrMsg("set binding disabled for sql digest ''", "sql digest is empty")
 }
 
 func TestCreateBindingWhenCloseStmtSummaryTable(t *testing.T) {