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// Copyright 2019 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 cascades_test
import (
"fmt"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/session"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/store/mockstore"
"github.com/pingcap/tidb/util/testkit"
"github.com/pingcap/tidb/util/testutil"
)
var _ = Suite(&testIntegrationSuite{})
type testIntegrationSuite struct {
store kv.Storage
testData testutil.TestData
}
func newStoreWithBootstrap() (kv.Storage, error) {
// TODO: remove this and find out the root cause of race.
config.GetGlobalConfig().EnableCollectExecutionInfo = false
store, err := mockstore.NewMockTikvStore()
if err != nil {
return nil, err
}
_, err = session.BootstrapSession(store)
return store, err
}
func (s *testIntegrationSuite) SetUpSuite(c *C) {
var err error
s.store, err = newStoreWithBootstrap()
c.Assert(err, IsNil)
s.testData, err = testutil.LoadTestSuiteData("testdata", "integration_suite")
c.Assert(err, IsNil)
}
func (s *testIntegrationSuite) TearDownSuite(c *C) {
c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil)
s.store.Close()
}
func (s *testIntegrationSuite) TestSimpleProjDual(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("set session tidb_enable_cascades_planner = 1")
tk.MustQuery("explain select 1").Check(testkit.Rows(
"Projection_3 1.00 root 1->Column#1",
"└─TableDual_4 1.00 root rows:1",
))
tk.MustQuery("select 1").Check(testkit.Rows(
"1",
))
}
func (s *testIntegrationSuite) TestPKIsHandleRangeScan(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int)")
tk.MustExec("insert into t values(1,2),(3,4),(5,6)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestIndexScan(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int, c int, d int, index idx_b(b), index idx_c_b(c, b))")
tk.MustExec("insert into t values(1,2,3,100),(4,5,6,200),(7,8,9,300)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestBasicShow(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
tk.MustQuery("desc t").Check(testkit.Rows(
"a int(11) NO PRI <nil> ",
"b int(11) YES <nil> ",
))
}
func (s *testIntegrationSuite) TestSort(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int)")
tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestAggregation(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int)")
tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestPushdownDistinctEnable(c *C) {
var (
input []string
output []struct {
SQL string
Plan []string
Result []string
}
)
s.testData.GetTestCases(c, &input, &output)
vars := []string{
fmt.Sprintf("set @@session.%s = 1", variable.TiDBOptDistinctAggPushDown),
}
s.doTestPushdownDistinct(c, vars, input, output)
}
func (s *testIntegrationSuite) TestPushdownDistinctDisable(c *C) {
var (
input []string
output []struct {
SQL string
Plan []string
Result []string
}
)
s.testData.GetTestCases(c, &input, &output)
vars := []string{
fmt.Sprintf("set @@session.%s = 0", variable.TiDBOptDistinctAggPushDown),
}
s.doTestPushdownDistinct(c, vars, input, output)
}
func (s *testIntegrationSuite) doTestPushdownDistinct(c *C, vars, input []string, output []struct {
SQL string
Plan []string
Result []string
}) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int, b int, c int, index(c))")
tk.MustExec("insert into t values (1, 1, 1), (1, 1, 3), (1, 2, 3), (2, 1, 3), (1, 2, NULL);")
tk.MustExec("set session sql_mode=''")
tk.MustExec(fmt.Sprintf("set session %s=1", variable.TiDBHashAggPartialConcurrency))
tk.MustExec(fmt.Sprintf("set session %s=1", variable.TiDBHashAggFinalConcurrency))
tk.MustExec("set session tidb_enable_cascades_planner = 1")
for _, v := range vars {
tk.MustExec(v)
}
for i, ts := range input {
s.testData.OnRecord(func() {
output[i].SQL = ts
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(ts).Sort().Rows())
})
tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(ts).Sort().Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestSimplePlans(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key, b int)")
tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestJoin(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t1")
tk.MustExec("drop table if exists t2")
tk.MustExec("create table t1(a int primary key, b int)")
tk.MustExec("create table t2(a int primary key, b int)")
tk.MustExec("insert into t1 values (1, 11), (4, 44), (2, 22), (3, 33)")
tk.MustExec("insert into t2 values (1, 111), (2, 222), (3, 333), (5, 555)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestApply(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t1, t2")
tk.MustExec("create table t1(a int primary key, b int)")
tk.MustExec("create table t2(a int primary key, b int)")
tk.MustExec("insert into t1 values (1, 11), (4, 44), (2, 22), (3, 33)")
tk.MustExec("insert into t2 values (1, 11), (2, 22), (3, 33)")
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestMemTableScan(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("set session tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestTopN(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t;")
tk.MustExec("create table t(a int primary key, b int);")
tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33);")
tk.MustExec("set session tidb_enable_cascades_planner = 1;")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestCascadePlannerHashedPartTable(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists pt1")
tk.MustExec("create table pt1(a bigint, b bigint) partition by hash(a) partitions 4")
tk.MustExec(`insert into pt1 values(1,10)`)
tk.MustExec(`insert into pt1 values(2,20)`)
tk.MustExec(`insert into pt1 values(3,30)`)
tk.MustExec(`insert into pt1 values(4,40)`)
tk.MustExec(`insert into pt1 values(5,50)`)
tk.MustExec("set @@tidb_enable_cascades_planner = 1")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}
func (s *testIntegrationSuite) TestInlineProjection(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec("drop table if exists t1, t2;")
tk.MustExec("create table t1(a bigint, b bigint, index idx_a(a), index idx_b(b));")
tk.MustExec("create table t2(a bigint, b bigint, index idx_a(a), index idx_b(b));")
tk.MustExec("insert into t1 values (1, 1), (2, 2);")
tk.MustExec("insert into t2 values (1, 1), (3, 3);")
tk.MustExec("set session tidb_enable_cascades_planner = 1;")
var input []string
var output []struct {
SQL string
Plan []string
Result []string
}
s.testData.GetTestCases(c, &input, &output)
for i, sql := range input {
s.testData.OnRecord(func() {
output[i].SQL = sql
output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + sql).Rows())
output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(sql).Rows())
})
tk.MustQuery("explain " + sql).Check(testkit.Rows(output[i].Plan...))
tk.MustQuery(sql).Check(testkit.Rows(output[i].Result...))
}
}