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88 lines
3.6 KiB
88 lines
3.6 KiB
// 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 executor_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/util/testkit"
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)
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func (s *testSuite1) TestExportRowID(c *C) {
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.Se.GetSessionVars().AllowWriteRowID = true
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defer func() {
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tk.Se.GetSessionVars().AllowWriteRowID = false
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}()
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t (a int, b int)")
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tk.MustExec("insert t values (1, 7), (1, 8), (1, 9)")
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tk.MustQuery("select *, _tidb_rowid from t").
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Check(testkit.Rows("1 7 1", "1 8 2", "1 9 3"))
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tk.MustExec("update t set a = 2 where _tidb_rowid = 2")
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tk.MustQuery("select *, _tidb_rowid from t").
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Check(testkit.Rows("1 7 1", "2 8 2", "1 9 3"))
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tk.MustExec("delete from t where _tidb_rowid = 2")
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tk.MustQuery("select *, _tidb_rowid from t").
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Check(testkit.Rows("1 7 1", "1 9 3"))
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tk.MustExec("insert t (a, b, _tidb_rowid) values (2, 2, 2), (5, 5, 5)")
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tk.MustQuery("select *, _tidb_rowid from t").
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Check(testkit.Rows("1 7 1", "2 2 2", "1 9 3", "5 5 5"))
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// If PK is handle, _tidb_rowid is unknown column.
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tk.MustExec("create table s (a int primary key)")
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tk.MustExec("insert s values (1)")
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_, err := tk.Exec("insert s (a, _tidb_rowid) values (1, 2)")
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c.Assert(err, NotNil)
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err = tk.ExecToErr("select _tidb_rowid from s")
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c.Assert(err, NotNil)
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_, err = tk.Exec("update s set a = 2 where _tidb_rowid = 1")
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c.Assert(err, NotNil)
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_, err = tk.Exec("delete from s where _tidb_rowid = 1")
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c.Assert(err, NotNil)
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// Make sure "AllowWriteRowID" is a session variable.
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tk1 := testkit.NewTestKit(c, s.store)
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tk1.MustExec("use test")
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_, err = tk1.Exec("insert into t (a, _tidb_rowid) values(10, 1);")
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c.Assert(err.Error(), Equals, "insert, update and replace statements for _tidb_rowid are not supported.")
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}
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func (s *testSuite1) TestNotAllowWriteRowID(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("create table tt(id binary(10), c int, primary key(id));")
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tk.MustExec("insert tt values (1, 10);")
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// select statement
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tk.MustQuery("select *, _tidb_rowid from tt").
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Check(testkit.Rows("1\x00\x00\x00\x00\x00\x00\x00\x00\x00 10 1"))
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// insert statement
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_, err := tk.Exec("insert into tt (id, c, _tidb_rowid) values(30000,10,1);")
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c.Assert(err.Error(), Equals, "insert, update and replace statements for _tidb_rowid are not supported.")
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// replace statement
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_, err = tk.Exec("replace into tt (id, c, _tidb_rowid) values(30000,10,1);")
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c.Assert(err.Error(), Equals, "insert, update and replace statements for _tidb_rowid are not supported.")
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// update statement
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_, err = tk.Exec("update tt set id = 2, _tidb_rowid = 1 where _tidb_rowid = 1")
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c.Assert(err.Error(), Equals, "insert, update and replace statements for _tidb_rowid are not supported.")
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tk.MustExec("update tt set id = 2 where _tidb_rowid = 1")
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tk.MustExec("admin check table tt;")
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tk.MustExec("drop table tt")
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// There is currently no real support for inserting, updating, and replacing _tidb_rowid statements.
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// After we support it, the following operations must be passed.
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// tk.MustExec("insert into tt (id, c, _tidb_rowid) values(30000,10,1);")
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// tk.MustExec("admin check table tt;")
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}
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