9cb61b047d
unicode 'u\fffd' is used to represent utf8 error when range a string, but itself is a valid utf8 character.
93 lines
3.2 KiB
Go
93 lines
3.2 KiB
Go
// 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"
|
|
"unicode/utf8"
|
|
|
|
. "github.com/pingcap/check"
|
|
"github.com/pingcap/tidb/table"
|
|
"github.com/pingcap/tidb/terror"
|
|
"github.com/pingcap/tidb/util/testkit"
|
|
"github.com/pingcap/tidb/util/testleak"
|
|
"github.com/pingcap/tidb/util/types"
|
|
)
|
|
|
|
const (
|
|
strictModeSQL = "set sql_mode = 'STRICT_TRANS_TABLES'"
|
|
nonStrictModeSQL = "set sql_mode = ''"
|
|
)
|
|
|
|
func (s *testSuite) TestStatementContext(c *C) {
|
|
defer func() {
|
|
s.cleanEnv(c)
|
|
testleak.AfterTest(c)
|
|
}()
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
tk.MustExec("use test")
|
|
tk.MustExec("create table sc (a int)")
|
|
tk.MustExec("insert sc values (1), (2)")
|
|
|
|
tk.MustExec(strictModeSQL)
|
|
tk.MustQuery("select * from sc where a > cast(1.1 as decimal)").Check(testkit.Rows("2"))
|
|
_, err := tk.Exec(`select * from sc where a > cast(1.1 as decimal);
|
|
update sc set a = 4 where a > cast(1.1 as decimal)`)
|
|
c.Check(terror.ErrorEqual(err, types.ErrTruncated), IsTrue)
|
|
|
|
tk.MustExec(nonStrictModeSQL)
|
|
tk.MustExec("update sc set a = 3 where a > cast(1.1 as decimal)")
|
|
tk.MustQuery("select * from sc").Check(testkit.Rows("1", "3"))
|
|
|
|
tk.MustExec(strictModeSQL)
|
|
tk.MustExec("delete from sc")
|
|
tk.MustExec("insert sc values ('1.8'+1)")
|
|
tk.MustQuery("select * from sc").Check(testkit.Rows("3"))
|
|
|
|
// Handle coprocessor flags, '1x' is an invalid int.
|
|
// UPDATE and DELETE do select request first which is handled by coprocessor.
|
|
// In strict mode we expect error.
|
|
_, err = tk.Exec("update sc set a = 4 where a > '1x'")
|
|
c.Assert(err, NotNil)
|
|
_, err = tk.Exec("delete from sc where a < '1x'")
|
|
c.Assert(err, NotNil)
|
|
tk.MustQuery("select * from sc where a > '1x'").Check(testkit.Rows("3"))
|
|
|
|
// Non-strict mode never returns error.
|
|
tk.MustExec(nonStrictModeSQL)
|
|
tk.MustExec("update sc set a = 4 where a > '1x'")
|
|
tk.MustExec("delete from sc where a < '1x'")
|
|
tk.MustQuery("select * from sc where a > '1x'").Check(testkit.Rows("4"))
|
|
|
|
// Test invalid UTF8
|
|
tk.MustExec("create table sc2 (a varchar(255))")
|
|
// Insert an invalid UTF8
|
|
tk.MustExec("insert sc2 values (unhex('4040ffff'))")
|
|
c.Assert(tk.Se.GetSessionVars().StmtCtx.WarningCount(), Greater, uint16(0))
|
|
tk.MustQuery("select * from sc2").Check(testkit.Rows(fmt.Sprintf("%v", []byte("@@"))))
|
|
tk.MustExec(strictModeSQL)
|
|
_, err = tk.Exec("insert sc2 values (unhex('4040ffff'))")
|
|
c.Assert(err, NotNil)
|
|
c.Assert(terror.ErrorEqual(err, table.ErrTruncateWrongValue), IsTrue)
|
|
|
|
tk.MustExec("set @@tidb_skip_utf8_check = '1'")
|
|
_, err = tk.Exec("insert sc2 values (unhex('4040ffff'))")
|
|
c.Assert(err, IsNil)
|
|
tk.MustQuery("select length(a) from sc2").Check(testkit.Rows("2", "4"))
|
|
|
|
tk.MustExec("set @@tidb_skip_utf8_check = '0'")
|
|
runeErrStr := string(utf8.RuneError)
|
|
tk.MustExec(fmt.Sprintf("insert sc2 values ('%s')", runeErrStr))
|
|
}
|