prepared_test.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/util/testkit"
)

func (s *testSuite1) TestPreparedNameResolver(c *C) {
	tk := testkit.NewTestKit(c, s.store)
	tk.MustExec("use test")
	tk.MustExec("drop table if exists t")
	tk.MustExec("create table t (id int, KEY id (id))")
	tk.MustExec("prepare stmt from 'select * from t limit ? offset ?'")
	_, err := tk.Exec("prepare stmt from 'select b from t'")
	c.Assert(err.Error(), Equals, "[planner:1054]Unknown column 'b' in 'field list'")

	_, err = tk.Exec("prepare stmt from '(select * FROM t) union all (select * FROM t) order by a limit ?'")
	c.Assert(err.Error(), Equals, "[planner:1054]Unknown column 'a' in 'order clause'")
}

// a 'create table' DDL statement should be accepted if it has no parameters.
func (s *testSuite1) TestPreparedDDL(c *C) {
	tk := testkit.NewTestKit(c, s.store)
	tk.MustExec("use test")
	tk.MustExec("drop table if exists t")
	tk.MustExec("prepare stmt from 'create table t (id int, KEY id (id))'")
}