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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 executor_test
import (
"fmt"
"os"
"strings"
. "github.com/pingcap/check"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/util"
"github.com/pingcap/tidb/util/testkit"
)
func (s *testSerialSuite1) TestSortInDisk(c *C) {
s.testSortInDisk(c, false)
s.testSortInDisk(c, true)
}
func (s *testSerialSuite1) testSortInDisk(c *C, removeDir bool) {
defer config.RestoreFunc()()
config.UpdateGlobal(func(conf *config.Config) {
conf.OOMUseTmpStorage = true
})
c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill", "return(true)"), IsNil)
defer func() {
c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill"), IsNil)
}()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
sm := &mockSessionManager1{
PS: make([]*util.ProcessInfo, 0),
}
tk.Se.SetSessionManager(sm)
s.domain.ExpensiveQueryHandle().SetSessionManager(sm)
if removeDir {
c.Assert(os.RemoveAll(config.GetGlobalConfig().TempStoragePath), IsNil)
defer func() {
_, err := os.Stat(config.GetGlobalConfig().TempStoragePath)
if err != nil {
c.Assert(os.IsExist(err), IsTrue)
}
}()
}
tk.MustExec("set @@tidb_mem_quota_query=1;")
tk.MustExec("set @@tidb_max_chunk_size=32;")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(c1 int, c2 int, c3 int)")
for i := 0; i < 5; i++ {
for j := i; j < 1024; j += 5 {
tk.MustExec(fmt.Sprintf("insert into t values(%v, %v, %v)", j, j, j))
}
}
result := tk.MustQuery("select * from t order by c1")
for i := 0; i < 1024; i++ {
c.Assert(result.Rows()[i][0].(string), Equals, fmt.Sprint(i))
c.Assert(result.Rows()[i][1].(string), Equals, fmt.Sprint(i))
c.Assert(result.Rows()[i][2].(string), Equals, fmt.Sprint(i))
}
c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.BytesConsumed(), Equals, int64(0))
c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(0))
c.Assert(tk.Se.GetSessionVars().StmtCtx.DiskTracker.BytesConsumed(), Equals, int64(0))
c.Assert(tk.Se.GetSessionVars().StmtCtx.DiskTracker.MaxConsumed(), Greater, int64(0))
}
func (s *testSerialSuite1) TestIssue16696(c *C) {
originCfg := config.GetGlobalConfig()
newConf := *originCfg
newConf.OOMUseTmpStorage = true
config.StoreGlobalConfig(&newConf)
defer config.StoreGlobalConfig(originCfg)
c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill", "return(true)"), IsNil)
defer func() {
c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill"), IsNil)
}()
c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testRowContainerSpill", "return(true)"), IsNil)
defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testRowContainerSpill"), IsNil) }()
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("CREATE TABLE `t` (`a` int(11) DEFAULT NULL,`b` int(11) DEFAULT NULL)")
tk.MustExec("insert into t values (1, 1)")
for i := 0; i < 6; i++ {
tk.MustExec("insert into t select * from t")
}
tk.MustExec("set tidb_mem_quota_query = 1;")
rows := tk.MustQuery("explain analyze select t1.a, t1.a +1 from t t1 join t t2 join t t3 order by t1.a").Rows()
for _, row := range rows {
length := len(row)
line := fmt.Sprintf("%v", row)
disk := fmt.Sprintf("%v", row[length-1])
if strings.Contains(line, "Sort") || strings.Contains(line, "HashJoin") {
c.Assert(strings.Contains(disk, "0 Bytes"), IsFalse)
c.Assert(strings.Contains(disk, "MB") ||
strings.Contains(disk, "KB") ||
strings.Contains(disk, "Bytes"), IsTrue)
}
}
}