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executor_ddl_test.go
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// Copyright 2016 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 executor_test
import (
"fmt"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/util/testkit"
"github.com/pingcap/tidb/util/testleak"
)
func (s *testSuite) TestTruncateTable(c *C) {
defer func() {
s.cleanEnv(c)
testleak.AfterTest(c)()
}()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec(`drop table if exists truncate_test;`)
tk.MustExec(`create table truncate_test (a int)`)
tk.MustExec(`insert truncate_test values (1),(2),(3)`)
result := tk.MustQuery("select * from truncate_test")
result.Check(testkit.Rows("1", "2", "3"))
tk.MustExec("truncate table truncate_test")
result = tk.MustQuery("select * from truncate_test")
result.Check(nil)
}
func (s *testSuite) TestCreateTable(c *C) {
defer func() {
s.cleanEnv(c)
testleak.AfterTest(c)()
}()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
// Test create an exist database
_, err := tk.Exec("CREATE database test")
c.Assert(err, NotNil)
// Test create an exist table
tk.MustExec("CREATE TABLE create_test (id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));")
_, err = tk.Exec("CREATE TABLE create_test (id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));")
c.Assert(err, NotNil)
// Test "if not exist"
tk.MustExec("CREATE TABLE if not exists test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));")
// Testcase for https://github.com/pingcap/tidb/issues/312
tk.MustExec(`create table issue312_1 (c float(24));`)
tk.MustExec(`create table issue312_2 (c float(25));`)
rs, err := tk.Exec(`desc issue312_1`)
c.Assert(err, IsNil)
for {
row, err1 := rs.Next()
c.Assert(err1, IsNil)
if row == nil {
break
}
c.Assert(row.Data[1].GetString(), Equals, "float")
}
rs, err = tk.Exec(`desc issue312_2`)
c.Assert(err, IsNil)
for {
row, err1 := rs.Next()
c.Assert(err1, IsNil)
if row == nil {
break
}
c.Assert(row.Data[1].GetString(), Equals, "double")
}
// table option is auto-increment
tk.MustExec("drop table if exists create_auto_increment_test;")
tk.MustExec("create table create_auto_increment_test (id int not null auto_increment, name varchar(255), primary key(id)) auto_increment = 999;")
tk.MustExec("insert into create_auto_increment_test (name) values ('aa')")
tk.MustExec("insert into create_auto_increment_test (name) values ('bb')")
tk.MustExec("insert into create_auto_increment_test (name) values ('cc')")
r := tk.MustQuery("select * from create_auto_increment_test;")
rowStr1 := fmt.Sprintf("%v %v", 999, []byte("aa"))
rowStr2 := fmt.Sprintf("%v %v", 1000, []byte("bb"))
rowStr3 := fmt.Sprintf("%v %v", 1001, []byte("cc"))
r.Check(testkit.Rows(rowStr1, rowStr2, rowStr3))
tk.MustExec("drop table create_auto_increment_test")
tk.MustExec("create table create_auto_increment_test (id int not null auto_increment, name varchar(255), primary key(id)) auto_increment = 1999;")
tk.MustExec("insert into create_auto_increment_test (name) values ('aa')")
tk.MustExec("insert into create_auto_increment_test (name) values ('bb')")
tk.MustExec("insert into create_auto_increment_test (name) values ('cc')")
r = tk.MustQuery("select * from create_auto_increment_test;")
rowStr1 = fmt.Sprintf("%v %v", 1999, []byte("aa"))
rowStr2 = fmt.Sprintf("%v %v", 2000, []byte("bb"))
rowStr3 = fmt.Sprintf("%v %v", 2001, []byte("cc"))
r.Check(testkit.Rows(rowStr1, rowStr2, rowStr3))
tk.MustExec("drop table create_auto_increment_test")
tk.MustExec("create table create_auto_increment_test (id int not null auto_increment, name varchar(255), key(id)) auto_increment = 1000;")
tk.MustExec("insert into create_auto_increment_test (name) values ('aa')")
r = tk.MustQuery("select * from create_auto_increment_test;")
rowStr1 = fmt.Sprintf("%v %v", 1000, []byte("aa"))
r.Check(testkit.Rows(rowStr1))
}
func (s *testSuite) TestCreateDropDatabase(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("create database if not exists drop_test;")
tk.MustExec("drop database if exists drop_test;")
tk.MustExec("create database drop_test;")
tk.MustExec("drop database drop_test;")
}
func (s *testSuite) TestCreateDropTable(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table if not exists drop_test (a int)")
tk.MustExec("drop table if exists drop_test")
tk.MustExec("create table drop_test (a int)")
tk.MustExec("drop table drop_test")
}
func (s *testSuite) TestCreateDropIndex(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table if not exists drop_test (a int)")
tk.MustExec("create index idx_a on drop_test (a)")
tk.MustExec("drop index idx_a on drop_test")
tk.MustExec("drop table drop_test")
}
func (s *testSuite) TestAlterTableAddColumn(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table if not exists alter_test (c1 int)")
tk.MustExec("alter table alter_test add column c2 int")
}
func (s *testSuite) TestAddNotNullColumnNoDefault(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table nn (c1 int)")
tk.MustExec("insert nn values (1), (2)")
tk.MustExec("alter table nn add column c2 int not null")
tk.MustQuery("select * from nn").Check(testkit.Rows("1 0", "2 0"))
_, err := tk.Exec("insert nn (c1) values (3)")
c.Check(err, NotNil)
tk.MustExec("set sql_mode=''")
tk.MustExec("insert nn (c1) values (3)")
tk.MustQuery("select * from nn").Check(testkit.Rows("1 0", "2 0", "3 0"))
}
func (s *testSuite) TestAlterTableModifyColumn(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table if not exists mc (c1 int, c2 varchar(10))")
_, err := tk.Exec("alter table mc modify column c1 short")
c.Assert(err, NotNil)
tk.MustExec("alter table mc modify column c1 bigint")
_, err = tk.Exec("alter table mc modify column c2 blob")
c.Assert(err, NotNil)
_, err = tk.Exec("alter table mc modify column c2 varchar(8)")
c.Assert(err, NotNil)
tk.MustExec("alter table mc modify column c2 varchar(11)")
tk.MustExec("alter table mc modify column c2 text(13)")
tk.MustExec("alter table mc modify column c2 text")
result := tk.MustQuery("show create table mc")
createSQL := result.Rows()[0][1]
expected := "CREATE TABLE `mc` (\n `c1` bigint(21) DEFAULT NULL,\n `c2` text DEFAULT NULL\n) ENGINE=InnoDB"
c.Assert(createSQL, Equals, expected)
}
func (s *testSuite) TestDefaultDBAfterDropCurDB(c *C) {
defer testleak.AfterTest(c)()
tk := testkit.NewTestKit(c, s.store)
testSQL := `create database if not exists test_db CHARACTER SET latin1 COLLATE latin1_swedish_ci;`
tk.MustExec(testSQL)
testSQL = `use test_db;`
tk.MustExec(testSQL)
tk.MustQuery(`select database();`).Check(testkit.Rows("test_db"))
tk.MustQuery(`select @@character_set_database;`).Check(testkit.Rows("latin1"))
tk.MustQuery(`select @@collation_database;`).Check(testkit.Rows("latin1_swedish_ci"))
testSQL = `drop database test_db;`
tk.MustExec(testSQL)
tk.MustQuery(`select database();`).Check(testkit.Rows("<nil>"))
tk.MustQuery(`select @@character_set_database;`).Check(testkit.Rows("utf8"))
tk.MustQuery(`select @@collation_database;`).Check(testkit.Rows("utf8_unicode_ci"))
}