Files
tidb/plan/validator_test.go
2016-08-11 18:08:44 +08:00

73 lines
2.9 KiB
Go

// Copyright 2015 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 plan_test
import (
"github.com/juju/errors"
. "github.com/pingcap/check"
"github.com/pingcap/tidb"
"github.com/pingcap/tidb/context"
"github.com/pingcap/tidb/parser"
"github.com/pingcap/tidb/plan"
"github.com/pingcap/tidb/terror"
"github.com/pingcap/tidb/util/testleak"
)
var _ = Suite(&testValidatorSuite{})
type testValidatorSuite struct {
}
func (s *testValidatorSuite) TestValidator(c *C) {
defer testleak.AfterTest(c)()
cases := []struct {
sql string
inPrepare bool
err error
}{
{"select ?", false, parser.ErrSyntax},
{"select ?", true, nil},
{"create table t(id int not null auto_increment default 2, key (id))", true,
errors.New("Invalid default value for 'id'")},
{"create table t(id int not null default 2 auto_increment, key (id))", true,
errors.New("Invalid default value for 'id'")},
{"create table t(id int not null auto_increment)", true,
errors.New("Incorrect table definition; there can be only one auto column and it must be defined as a key")},
{"create table t(id int not null auto_increment, c int auto_increment, key (id, c))", true,
errors.New("Incorrect table definition; there can be only one auto column and it must be defined as a key")},
{"create table t(id int not null auto_increment, c int, key (c, id))", true,
errors.New("Incorrect table definition; there can be only one auto column and it must be defined as a key")},
{"create table t(id decimal auto_increment, key (id))", true,
errors.New("Incorrect column specifier for column 'id'")},
{"create table t(id float auto_increment, key (id))", true, nil},
{"create table t(id int auto_increment) ENGINE=MYISAM", true, nil},
{"create table t(a int primary key, b int, c varchar(10), d char(256));", true, errors.New("Column length too big for column 'd' (max = 255); use BLOB or TEXT instead")},
{"create index ib on t(b,a,b);", true, errors.New("Duplicate column name 'b'")},
{"create table t(c1 int not null primary key, c2 int not null primary key)", true, errors.New("Multiple primary key defined")},
}
store, err := tidb.NewStore(tidb.EngineGoLevelDBMemory)
c.Assert(err, IsNil)
defer store.Close()
se, err := tidb.CreateSession(store)
c.Assert(err, IsNil)
for _, ca := range cases {
stmts, err1 := tidb.Parse(se.(context.Context), ca.sql)
c.Assert(err1, IsNil)
c.Assert(stmts, HasLen, 1)
stmt := stmts[0]
err = plan.Validate(stmt, ca.inPrepare)
c.Assert(terror.ErrorEqual(err, ca.err), IsTrue)
}
}