Files
tidb/ddl/stat_test.go

96 lines
2.9 KiB
Go

// Copyright 2015 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 ddl_test
import (
"context"
"testing"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/ddl"
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/testkit"
"github.com/pingcap/tidb/types"
"github.com/stretchr/testify/require"
)
func TestDDLStatsInfo(t *testing.T) {
store, domain, clean := testkit.CreateMockStoreAndDomainWithSchemaLease(t, testLease)
defer clean()
d := domain.DDL()
dbInfo, err := testSchemaInfo(store, "test_stat")
require.NoError(t, err)
testCreateSchema(t, testkit.NewTestKit(t, store).Session(), d, dbInfo)
tblInfo, err := testTableInfo(store, "t", 2)
require.NoError(t, err)
ctx := testkit.NewTestKit(t, store).Session()
testCreateTable(t, ctx, d, dbInfo, tblInfo)
m := testGetTable(t, domain, tblInfo.ID)
// insert t values (1, 1), (2, 2), (3, 3)
_, err = m.AddRecord(ctx, types.MakeDatums(1, 1))
require.NoError(t, err)
_, err = m.AddRecord(ctx, types.MakeDatums(2, 2))
require.NoError(t, err)
_, err = m.AddRecord(ctx, types.MakeDatums(3, 3))
require.NoError(t, err)
require.NoError(t, ctx.CommitTxn(context.Background()))
job := buildCreateIdxJob(dbInfo, tblInfo, true, "idx", "c1")
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/ddl/checkBackfillWorkerNum", `return(true)`))
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/ddl/checkBackfillWorkerNum"))
}()
done := make(chan error, 1)
go func() {
ctx.SetValue(sessionctx.QueryString, "skip")
done <- d.DoDDLJob(ctx, job)
}()
exit := false
// a copy of ddl.ddlJobReorgHandle
ddlJobReorgHandle := "ddl_job_reorg_handle"
for !exit {
select {
case err := <-done:
require.NoError(t, err)
exit = true
case wg := <-ddl.TestCheckWorkerNumCh:
varMap, err := d.Stats(nil)
wg.Done()
require.NoError(t, err)
require.Equal(t, varMap[ddlJobReorgHandle], "1")
}
}
}
func buildCreateIdxJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, unique bool, indexName string, colName string) *model.Job {
return &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionAddIndex,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{unique, model.NewCIStr(indexName),
[]*ast.IndexPartSpecification{{
Column: &ast.ColumnName{Name: model.NewCIStr(colName)},
Length: types.UnspecifiedLength}}},
}
}