Files
tidb/pkg/executor/cluster_table_test.go

376 lines
13 KiB
Go

// Copyright 2022 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package executor_test
import (
"compress/gzip"
"context"
"fmt"
"net"
"os"
"strconv"
"strings"
"testing"
"time"
"github.com/pingcap/tidb/pkg/config"
"github.com/pingcap/tidb/pkg/domain"
"github.com/pingcap/tidb/pkg/expression"
"github.com/pingcap/tidb/pkg/parser"
"github.com/pingcap/tidb/pkg/parser/auth"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/server"
"github.com/pingcap/tidb/pkg/session/sessmgr"
"github.com/pingcap/tidb/pkg/testkit"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
)
func createRPCServer(t *testing.T, dom *domain.Domain) *grpc.Server {
t.Cleanup(config.RestoreFunc())
sm := &testkit.MockSessionManager{}
sm.PS = append(sm.PS, &sessmgr.ProcessInfo{
ID: 1,
User: "root",
Host: "127.0.0.1",
Command: mysql.ComQuery,
})
lis, err := net.Listen("tcp", "127.0.0.1:0")
require.NoError(t, err)
host, port, err := net.SplitHostPort(lis.Addr().String())
require.NoError(t, err)
portNum, err := strconv.Atoi(port)
require.NoError(t, err)
srv := server.NewRPCServer(config.GetGlobalConfig(), dom, sm)
go func() {
err = srv.Serve(lis)
require.NoError(t, err)
}()
config.UpdateGlobal(func(conf *config.Config) {
conf.Status.StatusPort = uint(portNum)
conf.AdvertiseAddress = host
})
// Wait for server to be ready using require.Eventually
addr := lis.Addr().String()
require.Eventually(t, func() bool {
conn, err := net.DialTimeout("tcp", addr, 100*time.Millisecond)
if err == nil {
conn.Close()
return true
}
return false
}, 10*time.Second, 100*time.Millisecond, "RPC server failed to start")
return srv
}
func TestClusterTableSlowQuery(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
srv := createRPCServer(t, dom)
defer srv.Stop()
logData0 := ""
logData1 := `
# Time: 2020-02-15T18:00:01.000000+08:00
select 1;
# Time: 2020-02-15T19:00:05.000000+08:00
select 2;`
logData2 := `
# Time: 2020-02-16T18:00:01.000000+08:00
select 3;
# Time: 2020-02-16T18:00:05.000000+08:00
select 4;`
logData3 := `
# Time: 2020-02-16T19:00:00.000000+08:00
select 5;
# Time: 2020-02-17T18:00:05.000000+08:00
select 6;`
logData4 := `
# Time: 2020-05-14T19:03:54.314615176+08:00
select 7;`
logData := []string{logData0, logData1, logData2, logData3, logData4}
fileName0 := "tidb-slow-query-2020-02-14T19-04-05.01.log"
fileName1 := "tidb-slow-query-2020-02-15T19-04-05.01.log"
fileName2 := "tidb-slow-query-2020-02-16T19-04-05.01.log"
fileName3 := "tidb-slow-query-2020-02-17T18-00-05.01.log"
fileName4 := "tidb-slow-query.log"
fileNames := []string{fileName0, fileName1, fileName2, fileName3, fileName4}
defer config.RestoreFunc()()
config.UpdateGlobal(func(conf *config.Config) {
conf.Log.SlowQueryFile = fileName4
})
prepareLogs(t, logData, fileNames)
defer func() {
removeFiles(t, fileNames)
}()
tk := testkit.NewTestKit(t, store)
loc, err := time.LoadLocation("Asia/Shanghai")
require.NoError(t, err)
tk.Session().GetSessionVars().TimeZone = loc
tk.MustExec("use information_schema")
cases := []struct {
prepareSQL string
sql string
result []string
}{
{
sql: "select count(*),min(time),max(time) from %s where time > '2019-01-26 21:51:00' and time < now()",
result: []string{"7|2020-02-15 18:00:01.000000|2020-05-14 19:03:54.314615"},
},
{
sql: "select count(*),min(time),max(time) from %s where time > '2020-02-15 19:00:00' and time < '2020-02-16 18:00:02'",
result: []string{"2|2020-02-15 19:00:05.000000|2020-02-16 18:00:01.000000"},
},
{
sql: "select count(*),min(time),max(time) from %s where time > '2020-02-16 18:00:02' and time < '2020-02-17 17:00:00'",
result: []string{"2|2020-02-16 18:00:05.000000|2020-02-16 19:00:00.000000"},
},
{
sql: "select count(*),min(time),max(time) from %s where time > '2020-02-16 18:00:02' and time < '2020-02-17 20:00:00'",
result: []string{"3|2020-02-16 18:00:05.000000|2020-02-17 18:00:05.000000"},
},
{
sql: "select count(*),min(time),max(time) from %s",
result: []string{"7|2020-02-15 18:00:01.000000|2020-05-14 19:03:54.314615"},
},
{
sql: "select count(*),min(time),max(time) from %s where time > '2020-02-16 20:00:00'",
result: []string{"2|2020-02-17 18:00:05.000000|2020-05-14 19:03:54.314615"},
},
{
sql: "select count(*) from %s where time > '2020-02-17 20:00:00'",
result: []string{"1"},
},
{
sql: "select count(*) from %s where time > '1980-01-11 00:00:00'",
result: []string{"7"},
},
{
sql: "select count(*) from %s where time < '2024-01-01 00:00:00'",
result: []string{"7"},
},
{
sql: "select query from %s where time > '2019-01-26 21:51:00' and time < now()",
result: []string{"select 1;", "select 2;", "select 3;", "select 4;", "select 5;", "select 6;", "select 7;"},
},
// Test for different timezone.
{
prepareSQL: "set @@time_zone = '+00:00'",
sql: "select time from %s where time = '2020-02-17 10:00:05.000000'",
result: []string{"2020-02-17 10:00:05.000000"},
},
{
prepareSQL: "set @@time_zone = '+02:00'",
sql: "select time from %s where time = '2020-02-17 12:00:05.000000'",
result: []string{"2020-02-17 12:00:05.000000"},
},
// Test for issue 17224
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from %s where time = '2020-05-14 19:03:54.314615'",
result: []string{"2020-05-14 19:03:54.314615"},
},
}
for _, cas := range cases {
if len(cas.prepareSQL) > 0 {
tk.MustExec(cas.prepareSQL)
}
sql := fmt.Sprintf(cas.sql, "slow_query")
tk.MustQuery(sql).Check(testkit.RowsWithSep("|", cas.result...))
sql = fmt.Sprintf(cas.sql, "cluster_slow_query")
tk.MustQuery(sql).Check(testkit.RowsWithSep("|", cas.result...))
}
}
func TestIssue20236(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
srv := createRPCServer(t, dom)
defer srv.Stop()
logData0 := ""
logData1 := `
# Time: 2020-02-15T18:00:01.000000+08:00
select 1;
# Time: 2020-02-15T19:00:05.000000+08:00
select 2;
# Time: 2020-02-15T20:00:05.000000+08:00`
logData2 := `select 3;
# Time: 2020-02-16T18:00:01.000000+08:00
select 4;
# Time: 2020-02-16T18:00:05.000000+08:00
select 5;`
logData3 := `
# Time: 2020-02-16T19:00:00.000000+08:00
select 6;
# Time: 2020-02-17T18:00:05.000000+08:00
select 7;
# Time: 2020-02-17T19:00:00.000000+08:00`
logData4 := `select 8;
# Time: 2020-02-17T20:00:00.000000+08:00
select 9
# Time: 2020-05-14T19:03:54.314615176+08:00
select 10;`
logData := []string{logData0, logData1, logData2, logData3, logData4}
fileName0 := "tidb-slow-20236-2020-02-14T19-04-05.01.log"
fileName1 := "tidb-slow-20236-2020-02-15T19-04-05.01.log"
fileName2 := "tidb-slow-20236-2020-02-16T19-04-05.01.log"
fileName3 := "tidb-slow-20236-2020-02-17T18-00-05.01.log"
fileName4 := "tidb-slow-20236.log"
defer config.RestoreFunc()()
config.UpdateGlobal(func(conf *config.Config) {
conf.Log.SlowQueryFile = fileName4
})
for k := range 2 {
func() {
// k = 0 for normal files
// k = 1 for compressed files
var fileNames []string
if k == 0 {
fileNames = []string{fileName0, fileName1, fileName2, fileName3, fileName4}
} else {
fileNames = []string{fileName0 + ".gz", fileName1 + ".gz", fileName2 + ".gz", fileName3 + ".gz", fileName4}
}
prepareLogs(t, logData, fileNames)
defer removeFiles(t, fileNames)
tk := testkit.NewTestKit(t, store)
loc, err := time.LoadLocation("Asia/Shanghai")
require.NoError(t, err)
tk.Session().GetSessionVars().TimeZone = loc
tk.MustExec("use information_schema")
cases := []struct {
prepareSQL string
sql string
result []string
}{
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from cluster_slow_query where time > '2020-02-17 12:00:05.000000' and time < '2020-05-14 20:00:00.000000'",
result: []string{"2020-02-17 18:00:05.000000", "2020-02-17 19:00:00.000000", "2020-05-14 19:03:54.314615"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from cluster_slow_query where time > '2020-02-17 12:00:05.000000' and time < '2020-05-14 20:00:00.000000' order by time desc",
result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from cluster_slow_query where (time > '2020-02-15 18:00:00' and time < '2020-02-15 20:00:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-14 20:00:00') order by time",
result: []string{"2020-02-15 18:00:01.000000", "2020-02-15 19:00:05.000000", "2020-02-17 18:00:05.000000", "2020-02-17 19:00:00.000000", "2020-05-14 19:03:54.314615"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from cluster_slow_query where (time > '2020-02-15 18:00:00' and time < '2020-02-15 20:00:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-14 20:00:00') order by time desc",
result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000", "2020-02-15 19:00:05.000000", "2020-02-15 18:00:01.000000"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select count(*) from cluster_slow_query where time > '2020-02-15 18:00:00.000000' and time < '2020-05-14 20:00:00.000000' order by time desc",
result: []string{"9"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select count(*) from cluster_slow_query where (time > '2020-02-16 18:00:00' and time < '2020-05-14 20:00:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-17 20:00:00')",
result: []string{"6"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select count(*) from cluster_slow_query where time > '2020-02-16 18:00:00.000000' and time < '2020-02-17 20:00:00.000000' order by time desc",
result: []string{"5"},
},
{
prepareSQL: "set @@time_zone = '+08:00'",
sql: "select time from cluster_slow_query where time > '2020-02-16 18:00:00.000000' and time < '2020-05-14 20:00:00.000000' order by time desc limit 3",
result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000"},
},
}
for _, cas := range cases {
if len(cas.prepareSQL) > 0 {
tk.MustExec(cas.prepareSQL)
}
tk.MustQuery(cas.sql).Check(testkit.RowsWithSep("|", cas.result...))
}
}()
}
}
func TestSQLDigestTextRetriever(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
srv := createRPCServer(t, dom)
defer srv.Stop()
tkInit := testkit.NewTestKit(t, store)
tkInit.MustExec("use test")
tkInit.MustExec("set global tidb_enable_stmt_summary = 1")
tkInit.MustQuery("select @@global.tidb_enable_stmt_summary").Check(testkit.Rows("1"))
tkInit.MustExec("drop table if exists test_sql_digest_text_retriever")
tkInit.MustExec("create table test_sql_digest_text_retriever (id int primary key, v int)")
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil, nil))
tk.MustExec("insert into test_sql_digest_text_retriever values (1, 1)")
insertNormalized, insertDigest := parser.NormalizeDigest("insert into test_sql_digest_text_retriever values (1, 1)")
_, updateDigest := parser.NormalizeDigest("update test_sql_digest_text_retriever set v = v + 1 where id = 1")
r := &expression.SQLDigestTextRetriever{
SQLDigestsMap: map[string]string{
insertDigest.String(): "",
updateDigest.String(): "",
},
}
err := r.RetrieveLocal(context.Background(), tk.Session().GetRestrictedSQLExecutor())
require.NoError(t, err)
require.Equal(t, insertNormalized, r.SQLDigestsMap[insertDigest.String()])
require.Equal(t, "", r.SQLDigestsMap[updateDigest.String()])
}
func prepareLogs(t *testing.T, logData []string, fileNames []string) {
writeFile := func(file string, data string) {
if strings.HasSuffix(file, ".gz") {
f, err := os.Create(file)
require.NoError(t, err)
gz := gzip.NewWriter(f)
_, err = gz.Write([]byte(data))
require.NoError(t, err)
require.NoError(t, gz.Close())
require.NoError(t, f.Close())
} else {
f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
require.NoError(t, err)
_, err = f.Write([]byte(data))
require.NoError(t, err)
require.NoError(t, f.Close())
}
}
for i, log := range logData {
writeFile(fileNames[i], log)
}
}
func removeFiles(t *testing.T, fileNames []string) {
for _, fileName := range fileNames {
require.NoError(t, os.Remove(fileName))
}
}