Files
tidb/session/session_test.go

86 lines
3.3 KiB
Go

// Copyright 2022 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package session_test
import (
"fmt"
"reflect"
"sync/atomic"
"testing"
"github.com/pingcap/tidb/ddl"
"github.com/pingcap/tidb/session"
"github.com/pingcap/tidb/tablecodec"
"github.com/pingcap/tidb/testkit"
"github.com/pingcap/tidb/testkit/external"
"github.com/stretchr/testify/require"
)
func TestInitMetaTable(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
for _, sql := range session.DDLJobTables {
tk.MustExec(sql.SQL)
}
tbls := map[string]struct{}{
"tidb_ddl_job": {},
"tidb_ddl_reorg": {},
"tidb_ddl_history": {},
}
for tbl := range tbls {
metaInMySQL := external.GetTableByName(t, tk, "mysql", tbl).Meta().Clone()
metaInTest := external.GetTableByName(t, tk, "test", tbl).Meta().Clone()
require.Greater(t, metaInMySQL.ID, int64(0))
require.Greater(t, metaInMySQL.UpdateTS, uint64(0))
metaInTest.ID = metaInMySQL.ID
metaInMySQL.UpdateTS = metaInTest.UpdateTS
require.True(t, reflect.DeepEqual(metaInMySQL, metaInTest))
}
}
func TestMetaTableRegion(t *testing.T) {
enableSplitTableRegionVal := atomic.LoadUint32(&ddl.EnableSplitTableRegion)
atomic.StoreUint32(&ddl.EnableSplitTableRegion, 1)
defer atomic.StoreUint32(&ddl.EnableSplitTableRegion, enableSplitTableRegionVal)
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
ddlReorgTableRegionID := tk.MustQuery("show table mysql.tidb_ddl_reorg regions").Rows()[0][0]
ddlReorgTableRegionStartKey := tk.MustQuery("show table mysql.tidb_ddl_reorg regions").Rows()[0][1]
require.Equal(t, ddlReorgTableRegionStartKey, fmt.Sprintf("%s_%d_", tablecodec.TablePrefix(), ddl.ReorgTableID))
ddlJobTableRegionID := tk.MustQuery("show table mysql.tidb_ddl_job regions").Rows()[0][0]
ddlJobTableRegionStartKey := tk.MustQuery("show table mysql.tidb_ddl_job regions").Rows()[0][1]
require.Equal(t, ddlJobTableRegionStartKey, fmt.Sprintf("%s_%d_", tablecodec.TablePrefix(), ddl.JobTableID))
require.NotEqual(t, ddlJobTableRegionID, ddlReorgTableRegionID)
ddlBackfillTableRegionID := tk.MustQuery("show table mysql.tidb_ddl_backfill regions").Rows()[0][0]
ddlBackfillTableRegionStartKey := tk.MustQuery("show table mysql.tidb_ddl_backfill regions").Rows()[0][1]
require.Equal(t, ddlBackfillTableRegionStartKey, fmt.Sprintf("%s_%d_", tablecodec.TablePrefix(), ddl.BackfillTableID))
ddlBackfillHistoryTableRegionID := tk.MustQuery("show table mysql.tidb_ddl_backfill_history regions").Rows()[0][0]
ddlBackfillHistoryTableRegionStartKey := tk.MustQuery("show table mysql.tidb_ddl_backfill_history regions").Rows()[0][1]
require.Equal(t, ddlBackfillHistoryTableRegionStartKey, fmt.Sprintf("%s_%d_", tablecodec.TablePrefix(), ddl.BackfillHistoryTableID))
require.NotEqual(t, ddlBackfillTableRegionID, ddlBackfillHistoryTableRegionID)
}