509 lines
17 KiB
Go
509 lines
17 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package core_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/errors"
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"github.com/pingcap/parser/model"
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"github.com/pingcap/parser/mysql"
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"github.com/pingcap/tidb/config"
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"github.com/pingcap/tidb/domain"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/planner/core"
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"github.com/pingcap/tidb/util/testkit"
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"github.com/pingcap/tidb/util/testutil"
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)
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var _ = SerialSuites(&testIntegrationSuite{})
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type testIntegrationSuite struct {
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testData testutil.TestData
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store kv.Storage
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dom *domain.Domain
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}
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func (s *testIntegrationSuite) SetUpSuite(c *C) {
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var err error
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s.testData, err = testutil.LoadTestSuiteData("testdata", "integration_suite")
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c.Assert(err, IsNil)
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}
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func (s *testIntegrationSuite) TearDownSuite(c *C) {
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c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil)
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}
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func (s *testIntegrationSuite) SetUpTest(c *C) {
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var err error
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s.store, s.dom, err = newStoreWithBootstrap()
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c.Assert(err, IsNil)
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}
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func (s *testIntegrationSuite) TearDownTest(c *C) {
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s.dom.Close()
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err := s.store.Close()
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c.Assert(err, IsNil)
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}
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func (s *testIntegrationSuite) TestShowSubquery(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a varchar(10), b int, c int)")
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tk.MustQuery("show columns from t where true").Check(testkit.Rows(
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"a varchar(10) YES <nil> ",
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"b int(11) YES <nil> ",
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"c int(11) YES <nil> ",
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))
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tk.MustQuery("show columns from t where field = 'b'").Check(testkit.Rows(
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"b int(11) YES <nil> ",
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))
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tk.MustQuery("show columns from t where field in (select 'b')").Check(testkit.Rows(
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"b int(11) YES <nil> ",
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))
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tk.MustQuery("show columns from t where field in (select 'b') and true").Check(testkit.Rows(
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"b int(11) YES <nil> ",
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))
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tk.MustQuery("show columns from t where field in (select 'b') and false").Check(testkit.Rows())
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tk.MustExec("insert into t values('c', 0, 0)")
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tk.MustQuery("show columns from t where field < all (select a from t)").Check(testkit.Rows(
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"a varchar(10) YES <nil> ",
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"b int(11) YES <nil> ",
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))
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tk.MustExec("insert into t values('b', 0, 0)")
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tk.MustQuery("show columns from t where field < all (select a from t)").Check(testkit.Rows(
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"a varchar(10) YES <nil> ",
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))
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}
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func (s *testIntegrationSuite) TestPpdWithSetVar(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(c1 int, c2 varchar(255))")
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tk.MustExec("insert into t values(1,'a'),(2,'d'),(3,'c')")
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tk.MustQuery("select t01.c1,t01.c2,t01.c3 from (select t1.*,@c3:=@c3+1 as c3 from (select t.*,@c3:=0 from t order by t.c1)t1)t01 where t01.c3=1 and t01.c2='d'").Check(testkit.Rows())
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tk.MustQuery("select t01.c1,t01.c2,t01.c3 from (select t1.*,@c3:=@c3+1 as c3 from (select t.*,@c3:=0 from t order by t.c1)t1)t01 where t01.c3=2 and t01.c2='d'").Check(testkit.Rows("2 d 2"))
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}
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func (s *testIntegrationSuite) TestBitColErrorMessage(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists bit_col_t")
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tk.MustExec("create table bit_col_t (a bit(64))")
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tk.MustExec("drop table bit_col_t")
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tk.MustExec("create table bit_col_t (a bit(1))")
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tk.MustExec("drop table bit_col_t")
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tk.MustGetErrCode("create table bit_col_t (a bit(0))", mysql.ErrInvalidFieldSize)
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tk.MustGetErrCode("create table bit_col_t (a bit(65))", mysql.ErrTooBigDisplaywidth)
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}
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func (s *testIntegrationSuite) TestPushLimitDownIndexLookUpReader(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists tbl")
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tk.MustExec("create table tbl(a int, b int, c int, key idx_b_c(b,c))")
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tk.MustExec("insert into tbl values(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5)")
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tk.MustExec("analyze table tbl")
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var input []string
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var output []struct {
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SQL string
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Plan []string
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}
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s.testData.GetTestCases(c, &input, &output)
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for i, tt := range input {
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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})
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tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...))
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}
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}
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func (s *testIntegrationSuite) TestIsFromUnixtimeNullRejective(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec(`drop table if exists t;`)
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tk.MustExec(`create table t(a bigint, b bigint);`)
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s.runTestsWithTestData("TestIsFromUnixtimeNullRejective", tk, c)
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}
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func (s *testIntegrationSuite) runTestsWithTestData(caseName string, tk *testkit.TestKit, c *C) {
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var input []string
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var output []struct {
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SQL string
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Plan []string
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}
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s.testData.GetTestCasesByName(caseName, c, &input, &output)
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for i, tt := range input {
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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})
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tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...))
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}
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}
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func (s *testIntegrationSuite) TestJoinNotNullFlag(c *C) {
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store, dom, err := newStoreWithBootstrap()
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c.Assert(err, IsNil)
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tk := testkit.NewTestKit(c, store)
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defer func() {
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dom.Close()
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store.Close()
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}()
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t1, t2")
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tk.MustExec("create table t1(x int not null)")
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tk.MustExec("create table t2(x int)")
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tk.MustExec("insert into t2 values (1)")
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tk.MustQuery("select IFNULL((select t1.x from t1 where t1.x = t2.x), 'xxx') as col1 from t2").Check(testkit.Rows("xxx"))
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tk.MustQuery("select ifnull(t1.x, 'xxx') from t2 left join t1 using(x)").Check(testkit.Rows("xxx"))
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tk.MustQuery("select ifnull(t1.x, 'xxx') from t2 natural left join t1").Check(testkit.Rows("xxx"))
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}
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func (s *testIntegrationSuite) TestAntiJoinConstProp(c *C) {
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store, dom, err := newStoreWithBootstrap()
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c.Assert(err, IsNil)
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tk := testkit.NewTestKit(c, store)
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defer func() {
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dom.Close()
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store.Close()
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}()
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t1, t2")
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tk.MustExec("create table t1(a int not null, b int not null)")
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tk.MustExec("insert into t1 values (1,1)")
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tk.MustExec("create table t2(a int not null, b int not null)")
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tk.MustExec("insert into t2 values (2,2)")
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tk.MustQuery("select * from t1 where t1.a not in (select a from t2 where t2.a = t1.a and t2.a > 1)").Check(testkit.Rows(
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"1 1",
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))
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tk.MustQuery("select * from t1 where t1.a not in (select a from t2 where t2.b = t1.b and t2.a > 1)").Check(testkit.Rows(
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"1 1",
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))
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tk.MustQuery("select * from t1 where t1.a not in (select a from t2 where t2.b = t1.b and t2.b > 1)").Check(testkit.Rows(
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"1 1",
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))
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tk.MustQuery("select q.a in (select count(*) from t1 s where not exists (select 1 from t1 p where q.a > 1 and p.a = s.a)) from t1 q").Check(testkit.Rows(
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"1",
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))
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tk.MustQuery("select q.a in (select not exists (select 1 from t1 p where q.a > 1 and p.a = s.a) from t1 s) from t1 q").Check(testkit.Rows(
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"1",
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))
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tk.MustExec("drop table t1, t2")
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tk.MustExec("create table t1(a int not null, b int)")
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tk.MustExec("insert into t1 values (1,null)")
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tk.MustExec("create table t2(a int not null, b int)")
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tk.MustExec("insert into t2 values (2,2)")
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tk.MustQuery("select * from t1 where t1.a not in (select a from t2 where t2.b > t1.b)").Check(testkit.Rows(
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"1 <nil>",
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))
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tk.MustQuery("select * from t1 where t1.a not in (select a from t2 where t1.a = 2)").Check(testkit.Rows(
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"1 <nil>",
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))
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}
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func (s *testIntegrationSuite) TestSimplifyOuterJoinWithCast(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a int not null, b datetime default null)")
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var input []string
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var output []struct {
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SQL string
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Plan []string
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}
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s.testData.GetTestCases(c, &input, &output)
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for i, tt := range input {
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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})
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tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...))
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}
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}
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func (s *testIntegrationSuite) TestNoneAccessPathsFoundByIsolationRead(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a int primary key)")
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_, err := tk.Exec("select * from t")
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c.Assert(err, IsNil)
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tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'")
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// Don't filter mysql.SystemDB by isolation read.
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tk.MustQuery("explain select * from mysql.stats_meta").Check(testkit.Rows(
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"TableReader_5 10000.00 root data:TableScan_4",
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"└─TableScan_4 10000.00 cop[tikv] table:stats_meta, range:[-inf,+inf], keep order:false, stats:pseudo"))
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_, err = tk.Exec("select * from t")
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c.Assert(err, NotNil)
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c.Assert(err.Error(), Equals, "[planner:1815]Internal : Can not find access path matching 'tidb_isolation_read_engines'(value: 'tiflash') and tidb-server config isolation-read(engines: '[tikv tiflash tidb]'). Available values are 'tikv'.")
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tk.MustExec("set @@session.tidb_isolation_read_engines = 'tikv, tiflash'")
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config.GetGlobalConfig().IsolationRead.Engines = []string{"tiflash"}
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_, err = tk.Exec("select * from t")
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config.GetGlobalConfig().IsolationRead.Engines = []string{"tikv", "tiflash", "tidb"}
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c.Assert(err, NotNil)
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c.Assert(err.Error(), Equals, "[planner:1815]Internal : Can not find access path matching 'tidb_isolation_read_engines'(value: 'tikv,tiflash') and tidb-server config isolation-read(engines: '[tiflash]'). Available values are 'tikv'.")
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}
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func (s *testIntegrationSuite) TestSelPushDownTiFlash(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a int primary key, b varchar(20))")
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// Create virtual tiflash replica info.
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dom := domain.GetDomain(tk.Se)
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is := dom.InfoSchema()
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db, exists := is.SchemaByName(model.NewCIStr("test"))
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c.Assert(exists, IsTrue)
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for _, tblInfo := range db.Tables {
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if tblInfo.Name.L == "t" {
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tblInfo.TiFlashReplica = &model.TiFlashReplicaInfo{
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Count: 1,
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Available: true,
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}
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}
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}
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tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'")
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// All conditions should push tiflash.
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tk.MustQuery(`explain select * from t where t.a > 1 and t.b = "flash" or t.a + 3 * t.a = 5`).Check(testkit.Rows(
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"TableReader_7 8000.00 root data:Selection_6",
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"└─Selection_6 8000.00 cop[tiflash] or(and(gt(test.t.a, 1), eq(test.t.b, \"flash\")), eq(plus(test.t.a, mul(3, test.t.a)), 5))",
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" └─TableScan_5 10000.00 cop[tiflash] table:t, range:[-inf,+inf], keep order:false, stats:pseudo",
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))
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// Part of conditions should push tiflash.
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tk.MustQuery(`explain select * from t where cast(t.a as float) + 3 = 5.1`).Check(testkit.Rows(
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"Selection_7 10000.00 root eq(plus(cast(test.t.a), 3), 5.1)",
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"└─TableReader_6 10000.00 root data:TableScan_5",
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" └─TableScan_5 10000.00 cop[tiflash] table:t, range:[-inf,+inf], keep order:false, stats:pseudo",
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))
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}
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func (s *testIntegrationSuite) TestReadFromStorageHint(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t, tt, ttt")
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tk.MustExec("create table t(a int, b int, index ia(a))")
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tk.MustExec("create table tt(a int, b int, primary key(a))")
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tk.MustExec("create table ttt(a int, primary key (a desc))")
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// Create virtual tiflash replica info.
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dom := domain.GetDomain(tk.Se)
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is := dom.InfoSchema()
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db, exists := is.SchemaByName(model.NewCIStr("test"))
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c.Assert(exists, IsTrue)
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for _, tblInfo := range db.Tables {
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tblInfo.TiFlashReplica = &model.TiFlashReplicaInfo{
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Count: 1,
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Available: true,
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}
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}
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var input []string
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var output []struct {
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SQL string
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Plan []string
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Warn []string
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}
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s.testData.GetTestCases(c, &input, &output)
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for i, tt := range input {
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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output[i].Warn = s.testData.ConvertSQLWarnToStrings(tk.Se.GetSessionVars().StmtCtx.GetWarnings())
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})
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res := tk.MustQuery(tt)
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res.Check(testkit.Rows(output[i].Plan...))
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c.Assert(s.testData.ConvertSQLWarnToStrings(tk.Se.GetSessionVars().StmtCtx.GetWarnings()), DeepEquals, output[i].Warn)
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}
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}
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func (s *testIntegrationSuite) TestReadFromStorageHintAndIsolationRead(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t, tt, ttt")
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tk.MustExec("create table t(a int, b int, index ia(a))")
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tk.MustExec("set @@session.tidb_isolation_read_engines=\"tikv\"")
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// Create virtual tiflash replica info.
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dom := domain.GetDomain(tk.Se)
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is := dom.InfoSchema()
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db, exists := is.SchemaByName(model.NewCIStr("test"))
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c.Assert(exists, IsTrue)
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for _, tblInfo := range db.Tables {
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tblInfo.TiFlashReplica = &model.TiFlashReplicaInfo{
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Count: 1,
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Available: true,
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}
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}
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var input []string
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var output []struct {
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SQL string
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Plan []string
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Warn []string
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}
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s.testData.GetTestCases(c, &input, &output)
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for i, tt := range input {
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tk.Se.GetSessionVars().StmtCtx.SetWarnings(nil)
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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output[i].Warn = s.testData.ConvertSQLWarnToStrings(tk.Se.GetSessionVars().StmtCtx.GetWarnings())
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})
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res := tk.MustQuery(tt)
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res.Check(testkit.Rows(output[i].Plan...))
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c.Assert(s.testData.ConvertSQLWarnToStrings(tk.Se.GetSessionVars().StmtCtx.GetWarnings()), DeepEquals, output[i].Warn)
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}
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}
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func (s *testIntegrationSuite) TestPartitionTableStats(c *C) {
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a int, b int)partition by range columns(a)(partition p0 values less than (10), partition p1 values less than(20), partition p2 values less than(30));")
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tk.MustExec("insert into t values(21, 1), (22, 2), (23, 3), (24, 4), (15, 5)")
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tk.MustExec("analyze table t")
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var input []string
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var output []struct {
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SQL string
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Result []string
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}
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s.testData.GetTestCases(c, &input, &output)
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for i, tt := range input {
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s.testData.OnRecord(func() {
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output[i].SQL = tt
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output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows())
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})
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tk.MustQuery(tt).Check(testkit.Rows(output[i].Result...))
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}
|
|
}
|
|
|
|
func (s *testIntegrationSuite) TestErrNoDB(c *C) {
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
tk.MustExec("create user test")
|
|
_, err := tk.Exec("grant select on test1111 to test@'%'")
|
|
c.Assert(errors.Cause(err), Equals, core.ErrNoDB)
|
|
tk.MustExec("use test")
|
|
tk.MustExec("create table test1111 (id int)")
|
|
tk.MustExec("grant select on test1111 to test@'%'")
|
|
}
|
|
|
|
func (s *testIntegrationSuite) TestMaxMinEliminate(c *C) {
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
|
|
tk.MustExec("use test")
|
|
tk.MustExec("drop table if exists t")
|
|
tk.MustExec("create table t(a int primary key)")
|
|
|
|
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...))
|
|
}
|
|
}
|
|
|
|
func (s *testIntegrationSuite) TestINLJHintSmallTable(c *C) {
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
tk.MustExec("use test")
|
|
tk.MustExec("drop table if exists t1, t2")
|
|
tk.MustExec("create table t1(a int not null, b int, key(a))")
|
|
tk.MustExec("insert into t1 values(1,1),(2,2)")
|
|
tk.MustExec("create table t2(a int not null, b int, key(a))")
|
|
tk.MustExec("insert into t2 values(1,1),(2,2),(3,3),(4,4),(5,5)")
|
|
tk.MustExec("analyze table t1, t2")
|
|
tk.MustExec("explain select /*+ TIDB_INLJ(t1) */ * from t1 join t2 on t1.a = t2.a")
|
|
}
|
|
|
|
func (s *testIntegrationSuite) TestIndexJoinUniqueCompositeIndex(c *C) {
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
|
|
tk.MustExec("use test")
|
|
tk.MustExec("drop table if exists t1, t2")
|
|
tk.MustExec("create table t1(a int not null, c int not null)")
|
|
tk.MustExec("create table t2(a int not null, b int not null, c int not null, primary key(a,b))")
|
|
tk.MustExec("insert into t1 values(1,1)")
|
|
tk.MustExec("insert into t2 values(1,1,1),(1,2,1)")
|
|
tk.MustExec("analyze table t1,t2")
|
|
|
|
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...))
|
|
}
|
|
}
|
|
|
|
func (s *testIntegrationSuite) TestIndexMerge(c *C) {
|
|
tk := testkit.NewTestKit(c, s.store)
|
|
|
|
tk.MustExec("use test")
|
|
tk.MustExec("drop table if exists t")
|
|
tk.MustExec("create table t(a int, b int, unique index(a), unique index(b))")
|
|
|
|
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...))
|
|
}
|
|
}
|