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// Copyright 2020 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 expression_test
import (
"fmt"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/domain"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tidb/util/testkit"
"github.com/pingcap/tidb/util/testutil"
)
var _ = Suite(&testFlagSimplifySuite{})
type testFlagSimplifySuite struct {
store kv.Storage
dom *domain.Domain
ctx sessionctx.Context
testData testutil.TestData
}
func (s *testFlagSimplifySuite) cleanEnv(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
r := tk.MustQuery("show tables")
for _, tb := range r.Rows() {
tableName := tb[0]
tk.MustExec(fmt.Sprintf("drop table %v", tableName))
}
}
func (s *testFlagSimplifySuite) SetUpSuite(c *C) {
var err error
s.store, s.dom, err = newStoreWithBootstrap()
c.Assert(err, IsNil)
s.ctx = mock.NewContext()
s.testData, err = testutil.LoadTestSuiteData("testdata", "flag_simplify")
c.Assert(err, IsNil)
}
func (s *testFlagSimplifySuite) TearDownSuite(c *C) {
c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil)
s.dom.Close()
s.store.Close()
}
func (s *testFlagSimplifySuite) TestSimplifyExpressionByFlag(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 primary key, a bigint unsigned not null, b bigint unsigned)")
var input []string
var output []struct {
SQL string
Plan []string
}
s.testData.GetTestCases(c, &input, &output)
for i, tt := range input {
s.testData.OnRecord(func() {
output[i].SQL = tt
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
})
tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...))
}
}