129 lines
4.4 KiB
Go
129 lines
4.4 KiB
Go
// Copyright 2018 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package session_test
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import (
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"context"
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. "github.com/pingcap/check"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/util/testkit"
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)
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func (s *testSessionSuite) TestFailStatementCommit(c *C) {
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table t (id int)")
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tk.MustExec("begin")
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tk.MustExec("insert into t values (1)")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/session/mockStmtCommitError", `return(true)`), IsNil)
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_, err := tk.Exec("insert into t values (2),(3),(4),(5)")
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c.Assert(err, NotNil)
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/session/mockStmtCommitError"), IsNil)
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_, err = tk.Exec("select * from t")
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c.Assert(err, NotNil)
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_, err = tk.Exec("insert into t values (3)")
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c.Assert(err, NotNil)
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_, err = tk.Exec("insert into t values (4)")
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c.Assert(err, NotNil)
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_, err = tk.Exec("commit")
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c.Assert(err, NotNil)
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tk.MustQuery(`select * from t`).Check(testkit.Rows())
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tk.MustExec("insert into t values (1)")
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tk.MustExec("begin")
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tk.MustExec("insert into t values (2)")
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tk.MustExec("commit")
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tk.MustExec("begin")
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tk.MustExec("insert into t values (3)")
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tk.MustExec("rollback")
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tk.MustQuery(`select * from t`).Check(testkit.Rows("1", "2"))
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}
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func (s *testSessionSuite) TestFailStatementCommitInRetry(c *C) {
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table t (id int)")
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tk.MustExec("begin")
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tk.MustExec("insert into t values (1)")
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tk.MustExec("insert into t values (2),(3),(4),(5)")
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tk.MustExec("insert into t values (6)")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/session/mockCommitError8942", `return(true)`), IsNil)
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/session/mockStmtCommitError", `return(true)`), IsNil)
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_, err := tk.Exec("commit")
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c.Assert(err, NotNil)
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/session/mockCommitError8942"), IsNil)
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/session/mockStmtCommitError"), IsNil)
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tk.MustExec("insert into t values (6)")
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tk.MustQuery(`select * from t`).Check(testkit.Rows("6"))
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}
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func (s *testSessionSuite) TestGetTSFailDirtyState(c *C) {
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table t (id int)")
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ctx := context.Background()
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ctx = context.WithValue(ctx, "mockGetTSFail", struct{}{})
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tk.Se.Execute(ctx, "select * from t")
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// Fix a bug that active txn fail set TxnState.fail to error, and then the following write
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// affected by this fail flag.
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tk.MustExec("insert into t values (1)")
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tk.MustQuery(`select * from t`).Check(testkit.Rows("1"))
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}
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func (s *testSessionSuite) TestGetTSFailDirtyStateInretry(c *C) {
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defer func() {
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/session/mockCommitError"), IsNil)
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/mockGetTSErrorInRetry"), IsNil)
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}()
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table t (id int)")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/session/mockCommitError", `return(true)`), IsNil)
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// This test will mock a PD timeout error, and recover then.
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// Just make mockGetTSErrorInRetry return true once, and then return false.
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/mockGetTSErrorInRetry",
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`1*return(true)->return(false)`), IsNil)
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tk.MustExec("insert into t values (2)")
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tk.MustQuery(`select * from t`).Check(testkit.Rows("2"))
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}
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func (s *testSessionSuite) TestRetryPreparedSleep(c *C) {
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defer func() {
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c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tmpMaxTxnTime"), IsNil)
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}()
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table t (c1 int)")
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tk.MustExec("insert t values (11)")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tmpMaxTxnTime", `return(2)->return(0)`), IsNil)
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tk.MustExec("begin")
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tk.MustExec("update t set c1=? where c1=11;", 21)
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tk.MustExec("insert into t select sleep(3)")
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tk.MustExec("commit")
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tk.MustQuery("select c1 from t").Check(testkit.Rows("21", "0"))
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}
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