From d617ba2a821e23a42e07fcdeefeac2e85afd0da3 Mon Sep 17 00:00:00 2001
From: Zhenchi <zhongzc_arch@outlook.com>
Date: Tue, 5 Jul 2022 17:43:01 +0800
Subject: [PATCH] plancodec: fix a miss case in conversion (#35957)

close pingcap/tidb#35956
---
 util/plancodec/id.go      | 2 ++
 util/plancodec/id_test.go | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/util/plancodec/id.go b/util/plancodec/id.go
index 2b2e5e7e97..8b17660bfa 100644
--- a/util/plancodec/id.go
+++ b/util/plancodec/id.go
@@ -394,6 +394,8 @@ func PhysicalIDToTypeString(id int) string {
 		return TypeBatchPointGet
 	case typeClusterMemTableReader:
 		return TypeClusterMemTableReader
+	case typeDataSourceID:
+		return TypeDataSource
 	case typeLoadDataID:
 		return TypeLoadData
 	case typeTableSampleID:
diff --git a/util/plancodec/id_test.go b/util/plancodec/id_test.go
index 8a7addd23f..fe275d81b2 100644
--- a/util/plancodec/id_test.go
+++ b/util/plancodec/id_test.go
@@ -87,3 +87,9 @@ func TestPlanIDChanged(t *testing.T) {
 		require.Equal(t, testcase.Expected, testcase.Value)
 	}
 }
+
+func TestReverse(t *testing.T) {
+	for i := 1; i <= 55; i++ {
+		require.Equal(t, TypeStringToPhysicalID(PhysicalIDToTypeString(i)), i)
+	}
+}