64484a4257
Make transaction life cycle under control, prepare for correctly handle schema out of date error. The old `GetTxn(forceNew boll)` is replaced by `Txn` and `NewTxn`, `CommitTxn` and `RollbackTxn` is removed.
243 lines
9.2 KiB
Go
243 lines
9.2 KiB
Go
// Copyright 2016 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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"fmt"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb"
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"github.com/pingcap/tidb/context"
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"github.com/pingcap/tidb/executor"
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"github.com/pingcap/tidb/meta"
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"github.com/pingcap/tidb/model"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/plan/statistics"
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"github.com/pingcap/tidb/sessionctx"
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"github.com/pingcap/tidb/terror"
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"github.com/pingcap/tidb/util"
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"github.com/pingcap/tidb/util/testkit"
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"github.com/pingcap/tidb/util/testleak"
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)
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func (s *testSuite) TestCharsetDatabase(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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testSQL := `create database if not exists cd_test_utf8 CHARACTER SET utf8 COLLATE utf8_bin;`
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tk.MustExec(testSQL)
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testSQL = `create database if not exists cd_test_latin1 CHARACTER SET latin1 COLLATE latin1_swedish_ci;`
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tk.MustExec(testSQL)
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testSQL = `use cd_test_utf8;`
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tk.MustExec(testSQL)
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tk.MustQuery(`select @@character_set_database;`).Check(testkit.Rows("utf8"))
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tk.MustQuery(`select @@collation_database;`).Check(testkit.Rows("utf8_bin"))
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testSQL = `use cd_test_latin1;`
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tk.MustExec(testSQL)
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tk.MustQuery(`select @@character_set_database;`).Check(testkit.Rows("latin1"))
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tk.MustQuery(`select @@collation_database;`).Check(testkit.Rows("latin1_swedish_ci"))
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}
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func (s *testSuite) TestDo(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("do 1, @a:=1")
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tk.MustQuery("select @a").Check(testkit.Rows("1"))
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}
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func (s *testSuite) TestTransaction(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("begin")
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ctx := tk.Se.(context.Context)
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c.Assert(inTxn(ctx), IsTrue)
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tk.MustExec("commit")
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c.Assert(inTxn(ctx), IsFalse)
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tk.MustExec("begin")
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c.Assert(inTxn(ctx), IsTrue)
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tk.MustExec("rollback")
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c.Assert(inTxn(ctx), IsFalse)
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// Test that begin implicitly commits previous transaction.
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tk.MustExec("use test")
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tk.MustExec("create table txn (a int)")
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tk.MustExec("begin")
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tk.MustExec("insert txn values (1)")
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tk.MustExec("begin")
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tk.MustExec("rollback")
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tk.MustQuery("select * from txn").Check(testkit.Rows("1"))
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// Test that DDL implicitly commits previous transaction.
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tk.MustExec("begin")
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tk.MustExec("insert txn values (2)")
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tk.MustExec("create table txn2 (a int)")
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tk.MustExec("rollback")
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tk.MustQuery("select * from txn").Check(testkit.Rows("1", "2"))
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}
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func inTxn(ctx context.Context) bool {
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return (ctx.GetSessionVars().Status & mysql.ServerStatusInTrans) > 0
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}
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func (s *testSuite) TestUser(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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// Make sure user test not in mysql.User.
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result := tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test" and Host="localhost"`)
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result.Check(nil)
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// Create user test.
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createUserSQL := `CREATE USER 'test'@'localhost' IDENTIFIED BY '123';`
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tk.MustExec(createUserSQL)
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// Make sure user test in mysql.User.
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test" and Host="localhost"`)
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rowStr := fmt.Sprintf("%v", []byte(util.EncodePassword("123")))
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result.Check(testkit.Rows(rowStr))
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// Create duplicate user with IfNotExists will be success.
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createUserSQL = `CREATE USER IF NOT EXISTS 'test'@'localhost' IDENTIFIED BY '123';`
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tk.MustExec(createUserSQL)
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// Create duplicate user without IfNotExists will cause error.
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createUserSQL = `CREATE USER 'test'@'localhost' IDENTIFIED BY '123';`
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_, err := tk.Exec(createUserSQL)
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c.Check(err, NotNil)
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dropUserSQL := `DROP USER IF EXISTS 'test'@'localhost' ;`
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tk.MustExec(dropUserSQL)
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// Create user test.
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createUserSQL = `CREATE USER 'test1'@'localhost';`
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tk.MustExec(createUserSQL)
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// Make sure user test in mysql.User.
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test1" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("")))
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result.Check(testkit.Rows(rowStr))
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dropUserSQL = `DROP USER IF EXISTS 'test1'@'localhost' ;`
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tk.MustExec(dropUserSQL)
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// Test alter user.
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createUserSQL = `CREATE USER 'test1'@'localhost' IDENTIFIED BY '123', 'test2'@'localhost' IDENTIFIED BY '123', 'test3'@'localhost' IDENTIFIED BY '123';`
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tk.MustExec(createUserSQL)
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alterUserSQL := `ALTER USER 'test1'@'localhost' IDENTIFIED BY '111';`
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tk.MustExec(alterUserSQL)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test1" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("111")))
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result.Check(testkit.Rows(rowStr))
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alterUserSQL = `ALTER USER IF EXISTS 'test2'@'localhost' IDENTIFIED BY '222', 'test_not_exist'@'localhost' IDENTIFIED BY '1';`
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_, err = tk.Exec(alterUserSQL)
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c.Check(err, NotNil)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test2" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("222")))
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result.Check(testkit.Rows(rowStr))
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alterUserSQL = `ALTER USER IF EXISTS'test_not_exist'@'localhost' IDENTIFIED BY '1', 'test3'@'localhost' IDENTIFIED BY '333';`
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_, err = tk.Exec(alterUserSQL)
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c.Check(err, NotNil)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test3" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("333")))
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result.Check(testkit.Rows(rowStr))
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// Test alter user user().
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alterUserSQL = `ALTER USER USER() IDENTIFIED BY '1';`
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_, err = tk.Exec(alterUserSQL)
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c.Check(err, NotNil)
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tk.Se, err = tidb.CreateSession(s.store)
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c.Check(err, IsNil)
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ctx := tk.Se.(context.Context)
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ctx.GetSessionVars().User = "test1@localhost"
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tk.MustExec(alterUserSQL)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="test1" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("1")))
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result.Check(testkit.Rows(rowStr))
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dropUserSQL = `DROP USER 'test1'@'localhost', 'test2'@'localhost', 'test3'@'localhost';`
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tk.MustExec(dropUserSQL)
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// Test drop user if exists.
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createUserSQL = `CREATE USER 'test1'@'localhost', 'test3'@'localhost';`
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tk.MustExec(createUserSQL)
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dropUserSQL = `DROP USER IF EXISTS 'test1'@'localhost', 'test2'@'localhost', 'test3'@'localhost' ;`
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tk.MustExec(dropUserSQL)
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// Test negative cases without IF EXISTS.
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createUserSQL = `CREATE USER 'test1'@'localhost', 'test3'@'localhost';`
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tk.MustExec(createUserSQL)
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dropUserSQL = `DROP USER 'test1'@'localhost', 'test2'@'localhost', 'test3'@'localhost';`
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_, err = tk.Exec(dropUserSQL)
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c.Check(err, NotNil)
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dropUserSQL = `DROP USER 'test3'@'localhost';`
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_, err = tk.Exec(dropUserSQL)
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c.Check(err, NotNil)
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dropUserSQL = `DROP USER 'test1'@'localhost';`
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_, err = tk.Exec(dropUserSQL)
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c.Check(err, NotNil)
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// Test positive cases without IF EXISTS.
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createUserSQL = `CREATE USER 'test1'@'localhost', 'test3'@'localhost';`
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tk.MustExec(createUserSQL)
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dropUserSQL = `DROP USER 'test1'@'localhost', 'test3'@'localhost';`
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tk.MustExec(dropUserSQL)
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}
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func (s *testSuite) TestSetPwd(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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createUserSQL := `CREATE USER 'testpwd'@'localhost' IDENTIFIED BY '';`
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tk.MustExec(createUserSQL)
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result := tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="testpwd" and Host="localhost"`)
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rowStr := fmt.Sprintf("%v", []byte(""))
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result.Check(testkit.Rows(rowStr))
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// set password for
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tk.MustExec(`SET PASSWORD FOR 'testpwd'@'localhost' = 'password';`)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="testpwd" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("password")))
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result.Check(testkit.Rows(rowStr))
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// set password
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setPwdSQL := `SET PASSWORD = 'pwd'`
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// Session user is empty.
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_, err := tk.Exec(setPwdSQL)
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c.Check(err, NotNil)
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tk.Se, err = tidb.CreateSession(s.store)
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c.Check(err, IsNil)
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ctx := tk.Se.(context.Context)
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ctx.GetSessionVars().User = "testpwd1@localhost"
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// Session user doesn't exist.
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_, err = tk.Exec(setPwdSQL)
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c.Check(terror.ErrorEqual(err, executor.ErrPasswordNoMatch), IsTrue)
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// normal
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ctx.GetSessionVars().User = "testpwd@localhost"
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tk.MustExec(setPwdSQL)
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result = tk.MustQuery(`SELECT Password FROM mysql.User WHERE User="testpwd" and Host="localhost"`)
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rowStr = fmt.Sprintf("%v", []byte(util.EncodePassword("pwd")))
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result.Check(testkit.Rows(rowStr))
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}
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func (s *testSuite) TestAnalyzeTable(c *C) {
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defer testleak.AfterTest(c)()
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec(`ANALYZE TABLE mysql.GLOBAL_VARIABLES`)
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ctx := tk.Se.(context.Context)
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is := sessionctx.GetDomain(ctx).InfoSchema()
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t, err := is.TableByName(model.NewCIStr("mysql"), model.NewCIStr("GLOBAL_VARIABLES"))
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c.Check(err, IsNil)
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tableID := t.Meta().ID
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err = ctx.NewTxn()
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c.Check(err, IsNil)
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meta := meta.NewMeta(ctx.Txn())
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tpb, err := meta.GetTableStats(tableID)
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c.Check(err, IsNil)
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c.Check(tpb, NotNil)
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tStats, err := statistics.TableFromPB(t.Meta(), tpb)
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c.Check(err, IsNil)
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c.Check(tStats, NotNil)
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}
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