Files
tidb/executor/statement_context_test.go

69 lines
2.3 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 (
. "github.com/pingcap/check"
"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"))
}