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column_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 (
"context"
"reflect"
"sync"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/parser"
"github.com/pingcap/parser/ast"
"github.com/pingcap/parser/charset"
"github.com/pingcap/parser/model"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/infoschema"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/table/tables"
"github.com/pingcap/tidb/tablecodec"
"github.com/pingcap/tidb/types"
)
var _ = Suite(&testColumnSuite{})
type testColumnSuite struct {
store kv.Storage
dbInfo *model.DBInfo
}
func (s *testColumnSuite) SetUpSuite(c *C) {
s.store = testCreateStore(c, "test_column")
d := testNewDDLAndStart(
context.Background(),
c,
WithStore(s.store),
WithLease(testLease),
)
s.dbInfo = testSchemaInfo(c, d, "test_column")
testCreateSchema(c, testNewContext(d), d, s.dbInfo)
d.Stop()
}
func (s *testColumnSuite) TearDownSuite(c *C) {
err := s.store.Close()
c.Assert(err, IsNil)
}
func buildCreateColumnJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, colName string,
pos *ast.ColumnPosition, defaultValue interface{}) *model.Job {
col := &model.ColumnInfo{
Name: model.NewCIStr(colName),
Offset: len(tblInfo.Columns),
DefaultValue: defaultValue,
OriginDefaultValue: defaultValue,
}
col.ID = allocateColumnID(tblInfo)
col.FieldType = *types.NewFieldType(mysql.TypeLong)
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionAddColumn,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{col, pos, 0},
}
return job
}
func testCreateColumn(c *C, ctx sessionctx.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo,
colName string, pos *ast.ColumnPosition, defaultValue interface{}) *model.Job {
job := buildCreateColumnJob(dbInfo, tblInfo, colName, pos, defaultValue)
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 buildCreateColumnsJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, colNames []string,
positions []*ast.ColumnPosition, defaultValue interface{}) *model.Job {
colInfos := make([]*model.ColumnInfo, len(colNames))
offsets := make([]int, len(colNames))
ifNotExists := make([]bool, len(colNames))
for i, colName := range colNames {
col := &model.ColumnInfo{
Name: model.NewCIStr(colName),
Offset: len(tblInfo.Columns),
DefaultValue: defaultValue,
OriginDefaultValue: defaultValue,
}
col.ID = allocateColumnID(tblInfo)
col.FieldType = *types.NewFieldType(mysql.TypeLong)
colInfos[i] = col
}
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionAddColumns,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{colInfos, positions, offsets, ifNotExists},
}
return job
}
func testCreateColumns(c *C, ctx sessionctx.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo,
colNames []string, positions []*ast.ColumnPosition, defaultValue interface{}) *model.Job {
job := buildCreateColumnsJob(dbInfo, tblInfo, colNames, positions, defaultValue)
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 buildDropColumnJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, colName string) *model.Job {
return &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionDropColumn,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{model.NewCIStr(colName)},
}
}
func testDropColumn(c *C, ctx sessionctx.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo, colName string, isError bool) *model.Job {
job := buildDropColumnJob(dbInfo, tblInfo, colName)
err := d.doDDLJob(ctx, job)
if isError {
c.Assert(err, NotNil)
return nil
}
c.Assert(errors.ErrorStack(err), Equals, "")
v := getSchemaVer(c, ctx)
checkHistoryJobArgs(c, ctx, job.ID, &historyJobArgs{ver: v, tbl: tblInfo})
return job
}
func buildDropColumnsJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, colNames []string) *model.Job {
columnNames := make([]model.CIStr, len(colNames))
ifExists := make([]bool, len(colNames))
for i, colName := range colNames {
columnNames[i] = model.NewCIStr(colName)
}
job := &model.Job{
SchemaID: dbInfo.ID,
TableID: tblInfo.ID,
Type: model.ActionDropColumns,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{columnNames, ifExists},
}
return job
}
func testDropColumns(c *C, ctx sessionctx.Context, d *ddl, dbInfo *model.DBInfo, tblInfo *model.TableInfo, colNames []string, isError bool) *model.Job {
job := buildDropColumnsJob(dbInfo, tblInfo, colNames)
err := d.doDDLJob(ctx, job)
if isError {
c.Assert(err, NotNil)
return nil
}
c.Assert(errors.ErrorStack(err), Equals, "")
v := getSchemaVer(c, ctx)
checkHistoryJobArgs(c, ctx, job.ID, &historyJobArgs{ver: v, tbl: tblInfo})
return job
}
func (s *testColumnSuite) TestColumn(c *C) {
d := testNewDDLAndStart(
context.Background(),
c,
WithStore(s.store),
WithLease(testLease),
)
defer d.Stop()
tblInfo := testTableInfo(c, d, "t1", 3)
ctx := testNewContext(d)
testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
t := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
num := 10
for i := 0; i < num; i++ {
_, err := t.AddRecord(ctx, types.MakeDatums(i, 10*i, 100*i))
c.Assert(err, IsNil)
}
err := ctx.NewTxn(context.Background())
c.Assert(err, IsNil)
i := int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
c.Assert(data, HasLen, 3)
c.Assert(data[0].GetInt64(), Equals, i)
c.Assert(data[1].GetInt64(), Equals, 10*i)
c.Assert(data[2].GetInt64(), Equals, 100*i)
i++
return true, nil
})
c.Assert(err, IsNil)
c.Assert(i, Equals, int64(num))
c.Assert(table.FindCol(t.Cols(), "c4"), IsNil)
job := testCreateColumn(c, ctx, d, s.dbInfo, tblInfo, "c4", &ast.ColumnPosition{Tp: ast.ColumnPositionAfter, RelativeColumn: &ast.ColumnName{Name: model.NewCIStr("c3")}}, 100)
testCheckJobDone(c, d, job, true)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
c.Assert(table.FindCol(t.Cols(), "c4"), NotNil)
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(),
func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
c.Assert(data, HasLen, 4)
c.Assert(data[0].GetInt64(), Equals, i)
c.Assert(data[1].GetInt64(), Equals, 10*i)
c.Assert(data[2].GetInt64(), Equals, 100*i)
c.Assert(data[3].GetInt64(), Equals, int64(100))
i++
return true, nil
})
c.Assert(err, IsNil)
c.Assert(i, Equals, int64(num))
h, err := t.AddRecord(ctx, types.MakeDatums(11, 12, 13, 14))
c.Assert(err, IsNil)
err = ctx.NewTxn(context.Background())
c.Assert(err, IsNil)
values, err := t.RowWithCols(ctx, h, t.Cols())
c.Assert(err, IsNil)
c.Assert(values, HasLen, 4)
c.Assert(values[3].GetInt64(), Equals, int64(14))
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c4", false)
testCheckJobDone(c, d, job, false)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
values, err = t.RowWithCols(ctx, h, t.Cols())
c.Assert(err, IsNil)
c.Assert(values, HasLen, 3)
c.Assert(values[2].GetInt64(), Equals, int64(13))
job = testCreateColumn(c, ctx, d, s.dbInfo, tblInfo, "c4", &ast.ColumnPosition{Tp: ast.ColumnPositionNone}, 111)
testCheckJobDone(c, d, job, true)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
values, err = t.RowWithCols(ctx, h, t.Cols())
c.Assert(err, IsNil)
c.Assert(values, HasLen, 4)
c.Assert(values[3].GetInt64(), Equals, int64(111))
job = testCreateColumn(c, ctx, d, s.dbInfo, tblInfo, "c5", &ast.ColumnPosition{Tp: ast.ColumnPositionNone}, 101)
testCheckJobDone(c, d, job, true)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
values, err = t.RowWithCols(ctx, h, t.Cols())
c.Assert(err, IsNil)
c.Assert(values, HasLen, 5)
c.Assert(values[4].GetInt64(), Equals, int64(101))
job = testCreateColumn(c, ctx, d, s.dbInfo, tblInfo, "c6", &ast.ColumnPosition{Tp: ast.ColumnPositionFirst}, 202)
testCheckJobDone(c, d, job, true)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
cols := t.Cols()
c.Assert(cols, HasLen, 6)
c.Assert(cols[0].Offset, Equals, 0)
c.Assert(cols[0].Name.L, Equals, "c6")
c.Assert(cols[1].Offset, Equals, 1)
c.Assert(cols[1].Name.L, Equals, "c1")
c.Assert(cols[2].Offset, Equals, 2)
c.Assert(cols[2].Name.L, Equals, "c2")
c.Assert(cols[3].Offset, Equals, 3)
c.Assert(cols[3].Name.L, Equals, "c3")
c.Assert(cols[4].Offset, Equals, 4)
c.Assert(cols[4].Name.L, Equals, "c4")
c.Assert(cols[5].Offset, Equals, 5)
c.Assert(cols[5].Name.L, Equals, "c5")
values, err = t.RowWithCols(ctx, h, cols)
c.Assert(err, IsNil)
c.Assert(values, HasLen, 6)
c.Assert(values[0].GetInt64(), Equals, int64(202))
c.Assert(values[5].GetInt64(), Equals, int64(101))
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c2", false)
testCheckJobDone(c, d, job, false)
t = testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
values, err = t.RowWithCols(ctx, h, t.Cols())
c.Assert(err, IsNil)
c.Assert(values, HasLen, 5)
c.Assert(values[0].GetInt64(), Equals, int64(202))
c.Assert(values[4].GetInt64(), Equals, int64(101))
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c1", false)
testCheckJobDone(c, d, job, false)
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c3", false)
testCheckJobDone(c, d, job, false)
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c4", false)
testCheckJobDone(c, d, job, false)
job = testCreateIndex(c, ctx, d, s.dbInfo, tblInfo, false, "c5_idx", "c5")
testCheckJobDone(c, d, job, true)
job = testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c5", false)
testCheckJobDone(c, d, job, false)
testDropColumn(c, ctx, d, s.dbInfo, tblInfo, "c6", true)
testDropTable(c, ctx, d, s.dbInfo, tblInfo)
}
func (s *testColumnSuite) checkColumnKVExist(ctx sessionctx.Context, t table.Table, handle kv.Handle, col *table.Column, columnValue interface{}, isExist bool) error {
err := ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
defer func() {
if txn, err1 := ctx.Txn(true); err1 == nil {
txn.Commit(context.Background())
}
}()
key := t.RecordKey(handle)
txn, err := ctx.Txn(true)
if err != nil {
return errors.Trace(err)
}
data, err := txn.Get(context.TODO(), key)
if !isExist {
if terror.ErrorEqual(err, kv.ErrNotExist) {
return nil
}
}
if err != nil {
return errors.Trace(err)
}
colMap := make(map[int64]*types.FieldType)
colMap[col.ID] = &col.FieldType
rowMap, err := tablecodec.DecodeRowToDatumMap(data, colMap, ctx.GetSessionVars().Location())
if err != nil {
return errors.Trace(err)
}
val, ok := rowMap[col.ID]
if isExist {
if !ok || val.GetValue() != columnValue {
return errors.Errorf("%v is not equal to %v", val.GetValue(), columnValue)
}
} else {
if ok {
return errors.Errorf("column value should not exists")
}
}
return nil
}
func (s *testColumnSuite) checkNoneColumn(ctx sessionctx.Context, d *ddl, tblInfo *model.TableInfo, handle kv.Handle, col *table.Column, columnValue interface{}) error {
t, err := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err != nil {
return errors.Trace(err)
}
err = s.checkColumnKVExist(ctx, t, handle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
err = s.testGetColumn(t, col.Name.L, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testColumnSuite) checkDeleteOnlyColumn(ctx sessionctx.Context, d *ddl, tblInfo *model.TableInfo, handle kv.Handle, col *table.Column, row []types.Datum, columnValue interface{}) error {
t, err := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i := int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, row) {
return false, errors.Errorf("%v not equal to %v", data, row)
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, handle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
// Test add a new row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
newRow := types.MakeDatums(int64(11), int64(22), int64(33))
newHandle, err := t.AddRecord(ctx, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
rows := [][]types.Datum{row, newRow}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, rows[i]) {
return false, errors.Errorf("%v not equal to %v", data, rows[i])
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 2 {
return errors.Errorf("expect 2, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, handle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
// Test remove a row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
err = t.RemoveRecord(ctx, newHandle, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, newHandle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
err = s.testGetColumn(t, col.Name.L, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testColumnSuite) checkWriteOnlyColumn(ctx sessionctx.Context, d *ddl, tblInfo *model.TableInfo, handle kv.Handle, col *table.Column, row []types.Datum, columnValue interface{}) error {
t, err := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i := int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, row) {
return false, errors.Errorf("%v not equal to %v", data, row)
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, handle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
// Test add a new row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
newRow := types.MakeDatums(int64(11), int64(22), int64(33))
newHandle, err := t.AddRecord(ctx, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
rows := [][]types.Datum{row, newRow}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, rows[i]) {
return false, errors.Errorf("%v not equal to %v", data, rows[i])
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 2 {
return errors.Errorf("expect 2, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, newHandle, col, columnValue, true)
if err != nil {
return errors.Trace(err)
}
// Test remove a row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
err = t.RemoveRecord(ctx, newHandle, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, newHandle, col, columnValue, false)
if err != nil {
return errors.Trace(err)
}
err = s.testGetColumn(t, col.Name.L, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testColumnSuite) checkReorganizationColumn(ctx sessionctx.Context, d *ddl, tblInfo *model.TableInfo, col *table.Column, row []types.Datum, columnValue interface{}) error {
t, err := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i := int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, row) {
return false, errors.Errorf("%v not equal to %v", data, row)
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1 got %v", i)
}
// Test add a new row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
newRow := types.MakeDatums(int64(11), int64(22), int64(33))
newHandle, err := t.AddRecord(ctx, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
rows := [][]types.Datum{row, newRow}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, rows[i]) {
return false, errors.Errorf("%v not equal to %v", data, rows[i])
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 2 {
return errors.Errorf("expect 2, got %v", i)
}
err = s.checkColumnKVExist(ctx, t, newHandle, col, columnValue, true)
if err != nil {
return errors.Trace(err)
}
// Test remove a row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
err = t.RemoveRecord(ctx, newHandle, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.testGetColumn(t, col.Name.L, false)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testColumnSuite) checkPublicColumn(ctx sessionctx.Context, d *ddl, tblInfo *model.TableInfo, newCol *table.Column, oldRow []types.Datum, columnValue interface{}) error {
t, err := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i := int64(0)
updatedRow := append(oldRow, types.NewDatum(columnValue))
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, updatedRow) {
return false, errors.Errorf("%v not equal to %v", data, updatedRow)
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
// Test add a new row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
newRow := types.MakeDatums(int64(11), int64(22), int64(33), int64(44))
handle, err := t.AddRecord(ctx, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
rows := [][]types.Datum{updatedRow, newRow}
i = int64(0)
t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, rows[i]) {
return false, errors.Errorf("%v not equal to %v", data, rows[i])
}
i++
return true, nil
})
if i != 2 {
return errors.Errorf("expect 2, got %v", i)
}
// Test remove a row.
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
err = t.RemoveRecord(ctx, handle, newRow)
if err != nil {
return errors.Trace(err)
}
err = ctx.NewTxn(context.Background())
if err != nil {
return errors.Trace(err)
}
i = int64(0)
err = t.IterRecords(ctx, t.FirstKey(), t.Cols(), func(_ kv.Handle, data []types.Datum, cols []*table.Column) (bool, error) {
if !reflect.DeepEqual(data, updatedRow) {
return false, errors.Errorf("%v not equal to %v", data, updatedRow)
}
i++
return true, nil
})
if err != nil {
return errors.Trace(err)
}
if i != 1 {
return errors.Errorf("expect 1, got %v", i)
}
err = s.testGetColumn(t, newCol.Name.L, true)
if err != nil {
return errors.Trace(err)
}
return nil
}
func (s *testColumnSuite) checkAddColumn(state model.SchemaState, d *ddl, tblInfo *model.TableInfo, handle kv.Handle, newCol *table.Column, oldRow []types.Datum, columnValue interface{}) error {
ctx := testNewContext(d)
var err error
switch state {
case model.StateNone:
err = errors.Trace(s.checkNoneColumn(ctx, d, tblInfo, handle, newCol, columnValue))
case model.StateDeleteOnly:
err = errors.Trace(s.checkDeleteOnlyColumn(ctx, d, tblInfo, handle, newCol, oldRow, columnValue))
case model.StateWriteOnly:
err = errors.Trace(s.checkWriteOnlyColumn(ctx, d, tblInfo, handle, newCol, oldRow, columnValue))
case model.StateWriteReorganization, model.StateDeleteReorganization:
err = errors.Trace(s.checkReorganizationColumn(ctx, d, tblInfo, newCol, oldRow, columnValue))
case model.StatePublic:
err = errors.Trace(s.checkPublicColumn(ctx, d, tblInfo, newCol, oldRow, columnValue))
}
return err
}
func (s *testColumnSuite) testGetColumn(t table.Table, name string, isExist bool) error {
col := table.FindCol(t.Cols(), name)
if isExist {
if col == nil {
return errors.Errorf("column should not be nil")
}
} else {
if col != nil {
return errors.Errorf("column should be nil")
}
}
return nil
}
func (s *testColumnSuite) TestAddColumn(c *C) {
d := testNewDDLAndStart(
context.Background(),
c,
WithStore(s.store),
WithLease(testLease),
)
tblInfo := testTableInfo(c, d, "t", 3)
ctx := testNewContext(d)
err := ctx.NewTxn(context.Background())
c.Assert(err, IsNil)
testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
t := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
oldRow := types.MakeDatums(int64(1), int64(2), int64(3))
handle, err := t.AddRecord(ctx, oldRow)
c.Assert(err, IsNil)
txn, err := ctx.Txn(true)
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
newColName := "c4"
defaultColValue := int64(4)
var mu sync.Mutex
var hookErr error
checkOK := false
tc := &TestDDLCallback{}
tc.onJobUpdated = func(job *model.Job) {
mu.Lock()
defer mu.Unlock()
if checkOK {
return
}
t, err1 := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err1 != nil {
hookErr = errors.Trace(err1)
return
}
newCol := table.FindCol(t.(*tables.TableCommon).Columns, newColName)
if newCol == nil {
return
}
err1 = s.checkAddColumn(newCol.State, d, tblInfo, handle, newCol, oldRow, defaultColValue)
if err1 != nil {
hookErr = errors.Trace(err1)
return
}
if newCol.State == model.StatePublic {
checkOK = true
}
}
d.SetHook(tc)
job := testCreateColumn(c, ctx, d, s.dbInfo, tblInfo, newColName, &ast.ColumnPosition{Tp: ast.ColumnPositionNone}, defaultColValue)
testCheckJobDone(c, d, job, true)
mu.Lock()
hErr := hookErr
ok := checkOK
mu.Unlock()
c.Assert(errors.ErrorStack(hErr), Equals, "")
c.Assert(ok, IsTrue)
err = ctx.NewTxn(context.Background())
c.Assert(err, IsNil)
job = testDropTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckJobDone(c, d, job, false)
txn, err = ctx.Txn(true)
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
d.Stop()
}
func (s *testColumnSuite) TestAddColumns(c *C) {
d := testNewDDLAndStart(
context.Background(),
c,
WithStore(s.store),
WithLease(testLease),
)
tblInfo := testTableInfo(c, d, "t", 3)
ctx := testNewContext(d)
err := ctx.NewTxn(context.Background())
c.Assert(err, IsNil)
testCreateTable(c, ctx, d, s.dbInfo, tblInfo)
t := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID)
oldRow := types.MakeDatums(int64(1), int64(2), int64(3))
handle, err := t.AddRecord(ctx, oldRow)
c.Assert(err, IsNil)
txn, err := ctx.Txn(true)
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
newColNames := []string{"c4,c5,c6"}
positions := make([]*ast.ColumnPosition, 3)
for i := range positions {
positions[i] = &ast.ColumnPosition{Tp: ast.ColumnPositionNone}
}
defaultColValue := int64(4)
var mu sync.Mutex
var hookErr error
checkOK := false
tc := &TestDDLCallback{}
tc.onJobUpdated = func(job *model.Job) {
mu.Lock()
defer mu.Unlock()
if checkOK {
return
}
t, err1 := testGetTableWithError(d, s.dbInfo.ID, tblInfo.ID)
if err1 != nil {
hookErr = errors.Trace(err1)
return
}
for _, newColName := range newColNames {
newCol := table.FindCol(t.(*tables.TableCommon).Columns, newColName)
if newCol == nil {
return
}
err1 = s.checkAddColumn(newCol.State, d, tblInfo, handle, newCol, oldRow, defaultColValue)
if err1 != nil {
hookErr = errors.Trace(err1)
return
}
if newCol.State == model.StatePublic {
checkOK = true
}
}
}
d.SetHook(tc)
job := testCreateColumns(c, ctx, d, s.dbInfo, tblInfo, newColNames, positions, defaultColValue)
testCheckJobDone(c, d, job, true)
mu.Lock()
hErr := hookErr
ok := checkOK
mu.Unlock()
c.Assert(errors.ErrorStack(hErr), Equals, "")
c.Assert(ok, IsTrue)
job = testDropTable(c, ctx, d, s.dbInfo, tblInfo)
testCheckJobDone(c, d, job, false)
d.Stop()
}
func (s *testColumnSuite) TestDropColumn(c *C) {
d := testNewDDLAndStart(
context.Background(),
c,