156 lines
6.3 KiB
Go
156 lines
6.3 KiB
Go
// Copyright 2022 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package ddl_test
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import (
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/pkg/config"
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"github.com/pingcap/tidb/pkg/errno"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/stretchr/testify/require"
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)
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// This test file contains tests that test the expected or unexpected DDL error.
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// For expected error, we use SQL to check it.
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// For unexpected error, we mock a SQL job to check it.
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func TestTableError(t *testing.T) {
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store := testkit.CreateMockStoreWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table testDrop(a int)")
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// Schema ID is wrong, so dropping table is failed.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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err := tk.ExecToErr("drop table testDrop")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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// Table ID is wrong, so dropping table is failed.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/MockModifyJobTableId", `return(-1)`))
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err = tk.ExecToErr("drop table testDrop")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/MockModifyJobTableId"))
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// Table exists, so creating table is failed.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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err = tk.ExecToErr("create table test.t1(a int)")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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// Table exists, so creating table is failed.
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tk.MustExec("create table test.t2(a int)")
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tk.MustGetErrCode("create table test.t2(a int)", errno.ErrTableExists)
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}
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func TestViewError(t *testing.T) {
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store := testkit.CreateMockStoreWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t (a int)")
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}
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func TestForeignKeyError(t *testing.T) {
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store := testkit.CreateMockStoreWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t (a int, index(a))")
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tk.MustExec("create table t1 (a int, FOREIGN KEY fk(a) REFERENCES t(a))")
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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err := tk.ExecToErr("alter table t1 add foreign key idx(a) REFERENCES t(a)")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t1 drop index fk")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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}
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func TestIndexError(t *testing.T) {
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store := testkit.CreateMockStoreWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t (a int)")
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tk.MustExec("alter table t add index a(a)")
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// Schema ID is wrong.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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err := tk.ExecToErr("alter table t add index idx(a)")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t1 drop a")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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}
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func TestColumnError(t *testing.T) {
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store := testkit.CreateMockStoreWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t (a int, aa int, ab int)")
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tk.MustExec("alter table t add index a(a)")
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// Invalid schema ID.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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err := tk.ExecToErr("alter table t add column ta int")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t add column ta int, add column tb int")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa, drop column ab")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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// Invalid table ID.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/MockModifyJobTableId", `return(-1)`))
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err = tk.ExecToErr("alter table t add column ta int")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t add column ta int, add column tb int")
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require.Error(t, err)
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err = tk.ExecToErr("alter table t drop column aa, drop column ab")
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require.Error(t, err)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/MockModifyJobTableId"))
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tk.MustGetErrCode("alter table t add column c int after c5", errno.ErrBadField)
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tk.MustGetErrCode("alter table t drop column c5", errno.ErrCantDropFieldOrKey)
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tk.MustGetErrCode("alter table t add column c int after c5, add column d int", errno.ErrBadField)
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tk.MustGetErrCode("alter table t drop column ab, drop column c5", errno.ErrCantDropFieldOrKey)
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}
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func TestCreateDatabaseError(t *testing.T) {
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store := testkit.CreateMockStore(t)
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tk := testkit.NewTestKit(t, store)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId", `return(-1)`))
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tk.MustExec("create database db1;")
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/mockModifyJobSchemaId"))
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}
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// This is a hard-coded test to make sure that the DefMaxOfIndexLimit is 512
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// This limitation can not be loosened to a larger number until tidb can handle more indexes on one table.
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func TestCreateIndexErrTooManyKeys(t *testing.T) {
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require.Equal(t, 512, config.DefMaxOfIndexLimit)
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}
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