Files
tidb/ddl/table_test.go

259 lines
7.0 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package ddl
import (
"fmt"
"time"
"github.com/juju/errors"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/context"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta"
"github.com/pingcap/tidb/meta/autoid"
"github.com/pingcap/tidb/model"
"github.com/pingcap/tidb/mysql"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/types"
)
var _ = Suite(&testTableSuite{})
type testTableSuite struct {
store kv.Storage
dbInfo *model.DBInfo
d *ddl
}
// create a test table with num int columns and with no index.
func testTableInfo(c *C, d *ddl, name string, num int) *model.TableInfo {
var err error
tblInfo := &model.TableInfo{
Name: model.NewCIStr(name),
}
tblInfo.ID, err = d.genGlobalID()
c.Assert(err, IsNil)
cols := make([]*model.ColumnInfo, num)
for i := range cols {
col := &model.ColumnInfo{
Name: model.NewCIStr(fmt.Sprintf("c%d", i+1)),
Offset: i,
DefaultValue: i + 1,
State: model.StatePublic,
}
col.FieldType = *types.NewFieldType(mysql.TypeLong)
col.ID, err = d.genGlobalID()
c.Assert(err, IsNil)
cols[i] = col
}
tblInfo.Columns = cols
return tblInfo
}
func testCreateTable(c *C, ctx context.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo) *model.Job {
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionCreateTable,
Args: []interface{}{tblInfo},
}
err := d.doDDLJob(ctx, job)
c.Assert(err, IsNil)
v := getSchemaVer(c, ctx)
tblInfo.State = model.StatePublic
checkHistoryJobArgs(c, ctx, job.ID, &historyJobArgs{ver: v, tbl: tblInfo})
tblInfo.State = model.StateNone
return job
}
func testDropTable(c *C, ctx context.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo) *model.Job {
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionDropTable,
}
err := d.doDDLJob(ctx, job)
c.Assert(err, IsNil)
v := getSchemaVer(c, ctx)
checkHistoryJobArgs(c, ctx, job.ID, &historyJobArgs{ver: v, tbl: tblInfo})
return job
}
func testTruncateTable(c *C, ctx context.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo) *model.Job {
newTableID, err := d.genGlobalID()
c.Assert(err, IsNil)
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionTruncateTable,
Args: []interface{}{newTableID},
}
err = d.doDDLJob(ctx, job)
c.Assert(err, IsNil)
v := getSchemaVer(c, ctx)
tblInfo.ID = newTableID
checkHistoryJobArgs(c, ctx, job.ID, &historyJobArgs{ver: v, tbl: tblInfo})
return job
}
func testCheckTableState(c *C, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo, state model.SchemaState) {
kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
info, err := t.GetTable(dbInfo.ID, tblInfo.ID)
c.Assert(err, IsNil)
if state == model.StateNone {
c.Assert(info, IsNil)
return nil
}
c.Assert(info.Name, DeepEquals, tblInfo.Name)
c.Assert(info.State, Equals, state)
return nil
})
}
func testGetTable(c *C, d *ddl, schemaID int64, tableID int64) table.Table {
var tblInfo *model.TableInfo
kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
var err error
tblInfo, err = t.GetTable(schemaID, tableID)
c.Assert(err, IsNil)
c.Assert(tblInfo, NotNil)
return nil
})
alloc := autoid.NewAllocator(d.store, schemaID)
tbl, err := table.TableFromMeta(alloc, tblInfo)
c.Assert(err, IsNil)
return tbl
}
func (s *testTableSuite) SetUpSuite(c *C) {
s.store = testCreateStore(c, "test_table")
s.d = newDDL(s.store, nil, nil, testLease)
s.dbInfo = testSchemaInfo(c, s.d, "test")
testCreateSchema(c, testNewContext(c, s.d), s.d, s.dbInfo)
// Use a smaller limit to prevent the test from consuming too much time.
reorgTableDeleteLimit = 2000
}
func (s *testTableSuite) TearDownSuite(c *C) {
testDropSchema(c, testNewContext(c, s.d), s.d, s.dbInfo)
s.d.close()
s.store.Close()
reorgTableDeleteLimit = 65536
}
func (s *testTableSuite) TestTable(c *C) {
defer testleak.AfterTest(c)()
d := s.d
ctx := testNewContext(c, d)
defer ctx.RollbackTxn()
tblInfo := testTableInfo(c, d, "t", 3)
job := testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StatePublic)
testCheckJobDone(c, d, job, true)
// Create an existing table.
newTblInfo := testTableInfo(c, d, "t", 3)
doDDLJobErr(c, s.dbInfo.ID, newTblInfo.ID, model.ActionCreateTable, []interface{}{newTblInfo}, ctx, d)
// To drop a table with reorgTableDeleteLimit+10 records.
tbl := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
for i := 1; i <= reorgTableDeleteLimit+10; i++ {
_, err := tbl.AddRecord(ctx, types.MakeDatums(i, i, i))
c.Assert(err, IsNil)
}
tc := &testDDLCallback{}
var checkErr error
var updatedCount int
tc.onBgJobUpdated = func(job *model.Job) {
if job == nil || checkErr != nil {
return
}
job.Mu.Lock()
count := job.RowCount
job.Mu.Unlock()
if updatedCount == 0 && count != int64(reorgTableDeleteLimit) {
checkErr = errors.Errorf("row count %v isn't equal to %v", count, reorgTableDeleteLimit)
return
}
if updatedCount == 1 && count != int64(reorgTableDeleteLimit+10) {
checkErr = errors.Errorf("row count %v isn't equal to %v", count, reorgTableDeleteLimit+10)
}
updatedCount++
}
d.setHook(tc)
job = testDropTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckJobDone(c, d, job, false)
// Check background ddl info.
time.Sleep(testLease * 400)
verifyBgJobState(c, d, job, model.JobDone)
c.Assert(errors.ErrorStack(checkErr), Equals, "")
c.Assert(updatedCount, Equals, 2)
// For truncate table.
tblInfo = testTableInfo(c, d, "tt", 3)
job = testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StatePublic)
testCheckJobDone(c, d, job, true)
job = testTruncateTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StatePublic)
testCheckJobDone(c, d, job, false)
}
func (s *testTableSuite) TestTableResume(c *C) {
defer testleak.AfterTest(c)()
d := s.d
testCheckOwner(c, d, true, ddlJobFlag)
tblInfo := testTableInfo(c, d, "t1", 3)
job := &model.Job{
SchemaID: s.dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionCreateTable,
Args: []interface{}{tblInfo},
}
testRunInterruptedJob(c, d, job)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StatePublic)
job = &model.Job{
SchemaID: s.dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionDropTable,
}
testRunInterruptedJob(c, d, job)
testCheckTableState(c, d, s.dbInfo, tblInfo, model.StateNone)
}