Unstable test ddl.TestRecoverTable using infoschema v2

[tiancaiamao]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

cd pkg/dll
go test -c -tags intest
./ddl.test -test.run  TestRecoverTable  -test.count 100 -test.failfast

2. What did you expect to see? (Required)

No error

3. What did you see instead (Required)

--- FAIL: TestRecoverTable (0.52s)
    attributes_sql_test.go:235: 
                Error Trace:    /home/genius/project/src/github.com/pingcap/tidb/pkg/ddl/attributes_sql_test.go:235
                Error:          "[[schema/test/recover_t key-range "key=value" [7480000000000000ff6800000000000000f8, 7480000000000000ff6900000000000000f8], [7480000000000000ff6900000000000000f8, 7480000000000000ff6a00000000000000f8], [7480000000000000ff6a00000000000000f8, 7480000000000000ff6b00000000000000f8]]]" should have 2 item(s), but has 1
                Test:           TestRecoverTable
FAIL

4. What is your TiDB version? (Required)

master

[tiancaiamao]

Caused by an unintentioned change in my PR:

git diff
diff --git a/pkg/infoschema/infoschema_v2.go b/pkg/infoschema/infoschema_v2.go
index 80512fb374..f6cedcb4cb 100644
--- a/pkg/infoschema/infoschema_v2.go
+++ b/pkg/infoschema/infoschema_v2.go
@@ -132,8 +132,8 @@ type tableInfoItem struct {
 
 type partitionItem struct {
        partitionID   int64
-       schemaVersion int64
        tableID       int64
+       schemaVersion int64
        tomb          bool
 }

The master branch is OK.