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ddl_worker_test.go
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ddl_worker_test.go
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// 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 (
"time"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/context"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta"
"github.com/pingcap/tidb/model"
"github.com/pingcap/tidb/mysql"
"github.com/pingcap/tidb/terror"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/types"
goctx "golang.org/x/net/context"
)
var _ = Suite(&testDDLSuite{})
type testDDLSuite struct {
originMinBgOwnerTimeout int64
originMinDDLOwnerTimeout int64
}
const testLease = 5 * time.Millisecond
func (s *testDDLSuite) SetUpSuite(c *C) {
s.originMinDDLOwnerTimeout = minDDLOwnerTimeout
s.originMinBgOwnerTimeout = minBgOwnerTimeout
minDDLOwnerTimeout = int64(4 * testLease)
minBgOwnerTimeout = int64(4 * testLease)
}
func (s *testDDLSuite) TearDownSuite(c *C) {
minDDLOwnerTimeout = s.originMinDDLOwnerTimeout
minBgOwnerTimeout = s.originMinBgOwnerTimeout
}
func (s *testDDLSuite) TestCheckOwner(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_owner")
defer store.Close()
d1 := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d1.Stop()
time.Sleep(testLease)
testCheckOwner(c, d1, true, ddlJobFlag)
testCheckOwner(c, d1, true, bgJobFlag)
d1.SetLease(goctx.Background(), 1*time.Second)
d1.SetLease(goctx.Background(), 2*time.Second)
c.Assert(d1.GetLease(), Equals, 2*time.Second)
}
func (s *testDDLSuite) TestSchemaError(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_schema_error")
defer store.Close()
d := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d.Stop()
ctx := testNewContext(d)
doDDLJobErr(c, 1, 0, model.ActionCreateSchema, []interface{}{1}, ctx, d)
}
func (s *testDDLSuite) TestTableError(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_table_error")
defer store.Close()
d := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d.Stop()
ctx := testNewContext(d)
// Schema ID is wrong, so dropping table is failed.
doDDLJobErr(c, -1, 1, model.ActionDropTable, nil, ctx, d)
// Table ID is wrong, so dropping table is failed.
dbInfo := testSchemaInfo(c, d, "test")
testCreateSchema(c, testNewContext(d), d, dbInfo)
job := doDDLJobErr(c, dbInfo.ID, -1, model.ActionDropTable, nil, ctx, d)
// Table ID or schema ID is wrong, so getting table is failed.
tblInfo := testTableInfo(c, d, "t", 3)
testCreateTable(c, ctx, d, dbInfo, tblInfo)
err := kv.RunInNewTxn(store, false, func(txn kv.Transaction) error {
job.SchemaID = -1
job.TableID = -1
t := meta.NewMeta(txn)
_, err1 := getTableInfo(t, job, job.SchemaID)
c.Assert(err1, NotNil)
job.SchemaID = dbInfo.ID
_, err1 = getTableInfo(t, job, job.SchemaID)
c.Assert(err1, NotNil)
return nil
})
c.Assert(err, IsNil)
// Args is wrong, so creating table is failed.
doDDLJobErr(c, 1, 1, model.ActionCreateTable, []interface{}{1}, ctx, d)
// Schema ID is wrong, so creating table is failed.
doDDLJobErr(c, -1, tblInfo.ID, model.ActionCreateTable, []interface{}{tblInfo}, ctx, d)
// Table exists, so creating table is failed.
tblInfo.ID = tblInfo.ID + 1
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionCreateTable, []interface{}{tblInfo}, ctx, d)
}
func (s *testDDLSuite) TestForeignKeyError(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_foreign_key_error")
defer store.Close()
d := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d.Stop()
ctx := testNewContext(d)
doDDLJobErr(c, -1, 1, model.ActionAddForeignKey, nil, ctx, d)
doDDLJobErr(c, -1, 1, model.ActionDropForeignKey, nil, ctx, d)
dbInfo := testSchemaInfo(c, d, "test")
tblInfo := testTableInfo(c, d, "t", 3)
testCreateSchema(c, ctx, d, dbInfo)
testCreateTable(c, ctx, d, dbInfo, tblInfo)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionDropForeignKey, []interface{}{model.NewCIStr("c1_foreign_key")}, ctx, d)
}
func (s *testDDLSuite) TestIndexError(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_index_error")
defer store.Close()
d := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d.Stop()
ctx := testNewContext(d)
// Schema ID is wrong.
doDDLJobErr(c, -1, 1, model.ActionAddIndex, nil, ctx, d)
doDDLJobErr(c, -1, 1, model.ActionDropIndex, nil, ctx, d)
dbInfo := testSchemaInfo(c, d, "test")
tblInfo := testTableInfo(c, d, "t", 3)
testCreateSchema(c, ctx, d, dbInfo)
testCreateTable(c, ctx, d, dbInfo, tblInfo)
// for adding index
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddIndex, []interface{}{1}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddIndex,
[]interface{}{false, model.NewCIStr("t"), 1,
[]*ast.IndexColName{{Column: &ast.ColumnName{Name: model.NewCIStr("c")}, Length: 256}}}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddIndex,
[]interface{}{false, model.NewCIStr("c1_index"), 1,
[]*ast.IndexColName{{Column: &ast.ColumnName{Name: model.NewCIStr("c")}, Length: 256}}}, ctx, d)
testCreateIndex(c, ctx, d, dbInfo, tblInfo, false, "c1_index", "c1")
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddIndex,
[]interface{}{false, model.NewCIStr("c1_index"), 1,
[]*ast.IndexColName{{Column: &ast.ColumnName{Name: model.NewCIStr("c1")}, Length: 256}}}, ctx, d)
// for dropping index
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionDropIndex, []interface{}{1}, ctx, d)
testDropIndex(c, ctx, d, dbInfo, tblInfo, "c1_index")
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionDropIndex, []interface{}{model.NewCIStr("c1_index")}, ctx, d)
}
func (s *testDDLSuite) TestColumnError(c *C) {
defer testleak.AfterTest(c)()
store := testCreateStore(c, "test_column_error")
defer store.Close()
d := newDDL(goctx.Background(), nil, store, nil, nil, testLease)
defer d.Stop()
ctx := testNewContext(d)
dbInfo := testSchemaInfo(c, d, "test")
tblInfo := testTableInfo(c, d, "t", 3)
testCreateSchema(c, ctx, d, dbInfo)
testCreateTable(c, ctx, d, dbInfo, tblInfo)
col := &model.ColumnInfo{
Name: model.NewCIStr("c4"),
Offset: len(tblInfo.Columns),
DefaultValue: 0,
}
col.ID = allocateColumnID(tblInfo)
col.FieldType = *types.NewFieldType(mysql.TypeLong)
pos := &ast.ColumnPosition{Tp: ast.ColumnPositionAfter, RelativeColumn: &ast.ColumnName{Name: model.NewCIStr("c5")}}
// for adding column
doDDLJobErr(c, -1, tblInfo.ID, model.ActionAddColumn, []interface{}{col, pos, 0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, -1, model.ActionAddColumn, []interface{}{col, pos, 0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddColumn, []interface{}{0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionAddColumn, []interface{}{col, pos, 0}, ctx, d)
// for dropping column
doDDLJobErr(c, -1, tblInfo.ID, model.ActionDropColumn, []interface{}{col, pos, 0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, -1, model.ActionDropColumn, []interface{}{col, pos, 0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionDropColumn, []interface{}{0}, ctx, d)
doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionDropColumn, []interface{}{model.NewCIStr("c5")}, ctx, d)
}
func testCheckOwner(c *C, d *ddl, isOwner bool, flag JobType) {
err := kv.RunInNewTxn(d.store, true, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
_, err := d.checkOwner(t, flag)
return err
})
if isOwner {
c.Assert(err, IsNil)
return
}
c.Assert(terror.ErrorEqual(err, errNotOwner), IsTrue)
}
func testCheckJobDone(c *C, d *ddl, job *model.Job, isAdd bool) {
kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
historyJob, err := t.GetHistoryDDLJob(job.ID)
c.Assert(err, IsNil)
c.Assert(historyJob.State, Equals, model.JobDone)
if isAdd {
c.Assert(historyJob.SchemaState, Equals, model.StatePublic)
} else {
c.Assert(historyJob.SchemaState, Equals, model.StateNone)
}
return nil
})
}
func testCheckJobCancelled(c *C, d *ddl, job *model.Job) {
kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
historyJob, err := t.GetHistoryDDLJob(job.ID)
c.Assert(err, IsNil)
c.Assert(historyJob.State, Equals, model.JobCancelled)
return nil
})
}
func doDDLJobErr(c *C, schemaID, tableID int64, tp model.ActionType, args []interface{},
ctx context.Context, d *ddl) *model.Job {
job := &model.Job{
SchemaID: schemaID,
TableID: tableID,
Type: tp,
Args: args,
}
err := d.doDDLJob(ctx, job)
c.Assert(err, NotNil)
testCheckJobCancelled(c, d, job)
return job
}