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executor_test.go
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// Copyright 2015 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 (
"context"
"flag"
"fmt"
"io/ioutil"
"math"
"net"
"os"
"strconv"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/golang/protobuf/proto"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
pb "github.com/pingcap/kvproto/pkg/kvrpcpb"
"github.com/pingcap/parser"
"github.com/pingcap/parser/auth"
"github.com/pingcap/parser/model"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/ddl"
"github.com/pingcap/tidb/domain"
"github.com/pingcap/tidb/domain/infosync"
"github.com/pingcap/tidb/errno"
"github.com/pingcap/tidb/executor"
"github.com/pingcap/tidb/expression"
"github.com/pingcap/tidb/infoschema"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta"
"github.com/pingcap/tidb/meta/autoid"
"github.com/pingcap/tidb/planner"
plannercore "github.com/pingcap/tidb/planner/core"
"github.com/pingcap/tidb/server"
"github.com/pingcap/tidb/session"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/statistics"
"github.com/pingcap/tidb/store/copr"
"github.com/pingcap/tidb/store/mockstore"
"github.com/pingcap/tidb/store/tikv"
"github.com/pingcap/tidb/store/tikv/mockstore/cluster"
"github.com/pingcap/tidb/store/tikv/oracle"
"github.com/pingcap/tidb/store/tikv/tikvrpc"
tikvutil "github.com/pingcap/tidb/store/tikv/util"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/table/tables"
"github.com/pingcap/tidb/tablecodec"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util"
"github.com/pingcap/tidb/util/admin"
"github.com/pingcap/tidb/util/gcutil"
"github.com/pingcap/tidb/util/logutil"
"github.com/pingcap/tidb/util/memory"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tidb/util/rowcodec"
"github.com/pingcap/tidb/util/testkit"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/testutil"
"github.com/pingcap/tidb/util/timeutil"
"github.com/pingcap/tipb/go-tipb"
"google.golang.org/grpc"
)
func TestT(t *testing.T) {
CustomVerboseFlag = true
*CustomParallelSuiteFlag = true
logLevel := os.Getenv("log_level")
err := logutil.InitLogger(logutil.NewLogConfig(logLevel, logutil.DefaultLogFormat, "", logutil.EmptyFileLogConfig, false))
if err != nil {
t.Fatal(err)
}
autoid.SetStep(5000)
config.UpdateGlobal(func(conf *config.Config) {
conf.Log.SlowThreshold = 30000 // 30s
conf.TiKVClient.AsyncCommit.SafeWindow = 0
conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0
conf.Experimental.AllowsExpressionIndex = true
})
tmpDir := config.GetGlobalConfig().TempStoragePath
_ = os.RemoveAll(tmpDir) // clean the uncleared temp file during the last run.
_ = os.MkdirAll(tmpDir, 0755)
testleak.BeforeTest()
TestingT(t)
testleak.AfterTestT(t)()
}
var _ = Suite(&testSuite{&baseTestSuite{}})
var _ = Suite(&testSuiteP1{&baseTestSuite{}})
var _ = Suite(&testSuiteP2{&baseTestSuite{}})
var _ = Suite(&testSuite1{})
var _ = SerialSuites(&testSerialSuite2{})
var _ = Suite(&testSuite2{&baseTestSuite{}})
var _ = Suite(&testSuite3{&baseTestSuite{}})
var _ = Suite(&testSuite4{&baseTestSuite{}})
var _ = Suite(&testSuite5{&baseTestSuite{}})
var _ = Suite(&testSuiteJoin1{&baseTestSuite{}})
var _ = Suite(&testSuiteJoin2{&baseTestSuite{}})
var _ = Suite(&testSuiteJoin3{&baseTestSuite{}})
var _ = SerialSuites(&testSuiteJoinSerial{&baseTestSuite{}})
var _ = Suite(&testSuiteAgg{baseTestSuite: &baseTestSuite{}})
var _ = Suite(&testSuite6{&baseTestSuite{}})
var _ = Suite(&testSuite7{&baseTestSuite{}})
var _ = Suite(&testSuite8{&baseTestSuite{}})
var _ = SerialSuites(&testShowStatsSuite{&baseTestSuite{}})
var _ = Suite(&testBypassSuite{})
var _ = Suite(&testUpdateSuite{})
var _ = Suite(&testPointGetSuite{})
var _ = Suite(&testBatchPointGetSuite{})
var _ = SerialSuites(&testRecoverTable{})
var _ = SerialSuites(&testMemTableReaderSuite{&testClusterTableBase{}})
var _ = SerialSuites(&testFlushSuite{})
var _ = SerialSuites(&testAutoRandomSuite{&baseTestSuite{}})
var _ = SerialSuites(&testClusterTableSuite{})
var _ = SerialSuites(&testPrepareSerialSuite{&baseTestSuite{}})
var _ = SerialSuites(&testSplitTable{&baseTestSuite{}})
var _ = Suite(&testSuiteWithData{baseTestSuite: &baseTestSuite{}})
var _ = SerialSuites(&testSerialSuite1{&baseTestSuite{}})
var _ = SerialSuites(&testSlowQuery{&baseTestSuite{}})
var _ = Suite(&partitionTableSuite{&baseTestSuite{}})
var _ = SerialSuites(&tiflashTestSuite{})
var _ = SerialSuites(&globalIndexSuite{&baseTestSuite{}})
var _ = SerialSuites(&testSerialSuite{&baseTestSuite{}})
var _ = SerialSuites(&testCoprCache{})
var _ = SerialSuites(&testPrepareSuite{})
type testSuite struct{ *baseTestSuite }
type testSuiteP1 struct{ *baseTestSuite }
type testSuiteP2 struct{ *baseTestSuite }
type testSplitTable struct{ *baseTestSuite }
type testSuiteWithData struct {
*baseTestSuite
testData testutil.TestData
}
type testSlowQuery struct{ *baseTestSuite }
type partitionTableSuite struct{ *baseTestSuite }
type globalIndexSuite struct{ *baseTestSuite }
type testSerialSuite struct{ *baseTestSuite }
type testCoprCache struct {
store kv.Storage
dom *domain.Domain
cls cluster.Cluster
}
type testPrepareSuite struct{ testData testutil.TestData }
type baseTestSuite struct {
cluster cluster.Cluster
store kv.Storage
domain *domain.Domain
*parser.Parser
ctx *mock.Context // nolint:structcheck
}
var mockTikv = flag.Bool("mockTikv", true, "use mock tikv store in executor test")
func (s *baseTestSuite) SetUpSuite(c *C) {
s.Parser = parser.New()
flag.Lookup("mockTikv")
useMockTikv := *mockTikv
if useMockTikv {
store, err := mockstore.NewMockStore(
mockstore.WithClusterInspector(func(c cluster.Cluster) {
mockstore.BootstrapWithSingleStore(c)
s.cluster = c
}),
)
c.Assert(err, IsNil)
s.store = store
session.SetSchemaLease(0)
session.DisableStats4Test()
}
d, err := session.BootstrapSession(s.store)
c.Assert(err, IsNil)
d.SetStatsUpdating(true)
s.domain = d
config.UpdateGlobal(func(conf *config.Config) {
conf.OOMAction = config.OOMActionLog
})
}
func (s *testSuiteWithData) SetUpSuite(c *C) {
s.baseTestSuite.SetUpSuite(c)
var err error
s.testData, err = testutil.LoadTestSuiteData("testdata", "executor_suite")
c.Assert(err, IsNil)
}
func (s *testSuiteWithData) TearDownSuite(c *C) {
s.baseTestSuite.TearDownSuite(c)
c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil)
}
func (s *testPrepareSuite) SetUpSuite(c *C) {
var err error
s.testData, err = testutil.LoadTestSuiteData("testdata", "prepare_suite")
c.Assert(err, IsNil)
}
func (s *testPrepareSuite) TearDownSuite(c *C) {
c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil)
}
func (s *baseTestSuite) TearDownSuite(c *C) {
s.domain.Close()
s.store.Close()
}
func (s *globalIndexSuite) SetUpSuite(c *C) {
s.baseTestSuite.SetUpSuite(c)
config.UpdateGlobal(func(conf *config.Config) {
conf.EnableGlobalIndex = true
})
}
func (s *testSuiteP1) TestPessimisticSelectForUpdate(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 int)")
tk.MustExec("insert into t values(1, 1)")
tk.MustExec("begin PESSIMISTIC")
tk.MustQuery("select a from t where id=1 for update").Check(testkit.Rows("1"))
tk.MustExec("update t set a=a+1 where id=1")
tk.MustExec("commit")
tk.MustQuery("select a from t where id=1").Check(testkit.Rows("2"))
}
func (s *testSuite) TearDownTest(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 *testSuiteP1) TestBind(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists testbind")
tk.MustExec("create table testbind(i int, s varchar(20))")
tk.MustExec("create index index_t on testbind(i,s)")
tk.MustExec("create global binding for select * from testbind using select * from testbind use index for join(index_t)")
c.Assert(len(tk.MustQuery("show global bindings").Rows()), Equals, 1)
tk.MustExec("create session binding for select * from testbind using select * from testbind use index for join(index_t)")
c.Assert(len(tk.MustQuery("show session bindings").Rows()), Equals, 1)
tk.MustExec("drop session binding for select * from testbind")
}
func (s *testSuiteP1) TestChange(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)")
tk.MustExec("alter table t change a b int")
tk.MustExec("alter table t change b c bigint")
c.Assert(tk.ExecToErr("alter table t change c d varchar(100)"), NotNil)
}
func (s *testSuiteP1) TestChangePumpAndDrainer(c *C) {
tk := testkit.NewTestKit(c, s.store)
// change pump or drainer's state need connect to etcd
// so will meet error "URL scheme must be http, https, unix, or unixs: /tmp/tidb"
err := tk.ExecToErr("change pump to node_state ='paused' for node_id 'pump1'")
c.Assert(err, ErrorMatches, "URL scheme must be http, https, unix, or unixs.*")
err = tk.ExecToErr("change drainer to node_state ='paused' for node_id 'drainer1'")
c.Assert(err, ErrorMatches, "URL scheme must be http, https, unix, or unixs.*")
}
func (s *testSuiteP1) TestLoadStats(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
c.Assert(tk.ExecToErr("load stats"), NotNil)
c.Assert(tk.ExecToErr("load stats ./xxx.json"), NotNil)
}
func (s *testSuiteP1) TestShow(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("create database test_show;")
tk.MustExec("use test_show")
tk.MustQuery("show engines")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int primary key)")
c.Assert(len(tk.MustQuery("show index in t").Rows()), Equals, 1)
c.Assert(len(tk.MustQuery("show index from t").Rows()), Equals, 1)
tk.MustQuery("show charset").Check(testkit.Rows(
"utf8 UTF-8 Unicode utf8_bin 3",
"utf8mb4 UTF-8 Unicode utf8mb4_bin 4",
"ascii US ASCII ascii_bin 1",
"latin1 Latin1 latin1_bin 1",
"binary binary binary 1"))
c.Assert(len(tk.MustQuery("show master status").Rows()), Equals, 1)
tk.MustQuery("show create database test_show").Check(testkit.Rows("test_show CREATE DATABASE `test_show` /*!40100 DEFAULT CHARACTER SET utf8mb4 */"))
tk.MustQuery("show privileges").Check(testkit.Rows("Alter Tables To alter the table",
"Alter Tables To alter the table",
"Alter routine Functions,Procedures To alter or drop stored functions/procedures",
"Create Databases,Tables,Indexes To create new databases and tables",
"Create routine Databases To use CREATE FUNCTION/PROCEDURE",
"Create temporary tables Databases To use CREATE TEMPORARY TABLE",
"Create view Tables To create new views",
"Create user Server Admin To create new users",
"Delete Tables To delete existing rows",
"Drop Databases,Tables To drop databases, tables, and views",
"Event Server Admin To create, alter, drop and execute events",
"Execute Functions,Procedures To execute stored routines",
"File File access on server To read and write files on the server",
"Grant option Databases,Tables,Functions,Procedures To give to other users those privileges you possess",
"Index Tables To create or drop indexes",
"Insert Tables To insert data into tables",
"Lock tables Databases To use LOCK TABLES (together with SELECT privilege)",
"Process Server Admin To view the plain text of currently executing queries",
"Proxy Server Admin To make proxy user possible",
"References Databases,Tables To have references on tables",
"Reload Server Admin To reload or refresh tables, logs and privileges",
"Replication client Server Admin To ask where the slave or master servers are",
"Replication slave Server Admin To read binary log events from the master",
"Select Tables To retrieve rows from table",
"Show databases Server Admin To see all databases with SHOW DATABASES",
"Show view Tables To see views with SHOW CREATE VIEW",
"Shutdown Server Admin To shut down the server",
"Super Server Admin To use KILL thread, SET GLOBAL, CHANGE MASTER, etc.",
"Trigger Tables To use triggers",
"Create tablespace Server Admin To create/alter/drop tablespaces",
"Update Tables To update existing rows",
"Usage Server Admin No privileges - allow connect only"))
c.Assert(len(tk.MustQuery("show table status").Rows()), Equals, 1)
}
func (s *testSuite3) TestAdmin(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists admin_test")
tk.MustExec("create table admin_test (c1 int, c2 int, c3 int default 1, index (c1))")
tk.MustExec("insert admin_test (c1) values (1),(2),(NULL)")
ctx := context.Background()
// cancel DDL jobs test
r, err := tk.Exec("admin cancel ddl jobs 1")
c.Assert(err, IsNil, Commentf("err %v", err))
req := r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
row := req.GetRow(0)
c.Assert(row.Len(), Equals, 2)
c.Assert(row.GetString(0), Equals, "1")
c.Assert(row.GetString(1), Matches, "*DDL Job:1 not found")
// show ddl test;
r, err = tk.Exec("admin show ddl")
c.Assert(err, IsNil)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
row = req.GetRow(0)
c.Assert(row.Len(), Equals, 6)
txn, err := s.store.Begin()
c.Assert(err, IsNil)
ddlInfo, err := admin.GetDDLInfo(txn)
c.Assert(err, IsNil)
c.Assert(row.GetInt64(0), Equals, ddlInfo.SchemaVer)
// TODO: Pass this test.
// rowOwnerInfos := strings.Split(row.Data[1].GetString(), ",")
// ownerInfos := strings.Split(ddlInfo.Owner.String(), ",")
// c.Assert(rowOwnerInfos[0], Equals, ownerInfos[0])
serverInfo, err := infosync.GetServerInfoByID(ctx, row.GetString(1))
c.Assert(err, IsNil)
c.Assert(row.GetString(2), Equals, serverInfo.IP+":"+
strconv.FormatUint(uint64(serverInfo.Port), 10))
c.Assert(row.GetString(3), Equals, "")
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsTrue)
err = txn.Rollback()
c.Assert(err, IsNil)
// show DDL jobs test
r, err = tk.Exec("admin show ddl jobs")
c.Assert(err, IsNil)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
row = req.GetRow(0)
c.Assert(row.Len(), Equals, 11)
txn, err = s.store.Begin()
c.Assert(err, IsNil)
historyJobs, err := admin.GetHistoryDDLJobs(txn, admin.DefNumHistoryJobs)
c.Assert(len(historyJobs), Greater, 1)
c.Assert(len(row.GetString(1)), Greater, 0)
c.Assert(err, IsNil)
c.Assert(row.GetInt64(0), Equals, historyJobs[0].ID)
c.Assert(err, IsNil)
r, err = tk.Exec("admin show ddl jobs 20")
c.Assert(err, IsNil)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
row = req.GetRow(0)
c.Assert(row.Len(), Equals, 11)
c.Assert(row.GetInt64(0), Equals, historyJobs[0].ID)
c.Assert(err, IsNil)
// show DDL job queries test
tk.MustExec("use test")
tk.MustExec("drop table if exists admin_test2")
tk.MustExec("create table admin_test2 (c1 int, c2 int, c3 int default 1, index (c1))")
result := tk.MustQuery(`admin show ddl job queries 1, 1, 1`)
result.Check(testkit.Rows())
result = tk.MustQuery(`admin show ddl job queries 1, 2, 3, 4`)
result.Check(testkit.Rows())
historyJobs, err = admin.GetHistoryDDLJobs(txn, admin.DefNumHistoryJobs)
result = tk.MustQuery(fmt.Sprintf("admin show ddl job queries %d", historyJobs[0].ID))
result.Check(testkit.Rows(historyJobs[0].Query))
c.Assert(err, IsNil)
// check table test
tk.MustExec("create table admin_test1 (c1 int, c2 int default 1, index (c1))")
tk.MustExec("insert admin_test1 (c1) values (21),(22)")
r, err = tk.Exec("admin check table admin_test, admin_test1")
c.Assert(err, IsNil)
c.Assert(r, IsNil)
// error table name
err = tk.ExecToErr("admin check table admin_test_error")
c.Assert(err, NotNil)
// different index values
sctx := tk.Se.(sessionctx.Context)
dom := domain.GetDomain(sctx)
is := dom.InfoSchema()
c.Assert(is, NotNil)
tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("admin_test"))
c.Assert(err, IsNil)
c.Assert(tb.Indices(), HasLen, 1)
_, err = tb.Indices()[0].Create(mock.NewContext(), txn, types.MakeDatums(int64(10)), kv.IntHandle(1), nil)
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
errAdmin := tk.ExecToErr("admin check table admin_test")
c.Assert(errAdmin, NotNil)
if config.CheckTableBeforeDrop {
err = tk.ExecToErr("drop table admin_test")
c.Assert(err.Error(), Equals, errAdmin.Error())
// Drop inconsistency index.
tk.MustExec("alter table admin_test drop index c1")
tk.MustExec("admin check table admin_test")
}
// checksum table test
tk.MustExec("create table checksum_with_index (id int, count int, PRIMARY KEY(id), KEY(count))")
tk.MustExec("create table checksum_without_index (id int, count int, PRIMARY KEY(id))")
r, err = tk.Exec("admin checksum table checksum_with_index, checksum_without_index")
c.Assert(err, IsNil)
res := tk.ResultSetToResult(r, Commentf("admin checksum table"))
// Mocktikv returns 1 for every table/index scan, then we will xor the checksums of a table.
// For "checksum_with_index", we have two checksums, so the result will be 1^1 = 0.
// For "checksum_without_index", we only have one checksum, so the result will be 1.
res.Sort().Check(testkit.Rows("test checksum_with_index 0 2 2", "test checksum_without_index 1 1 1"))
tk.MustExec("drop table if exists t1;")
tk.MustExec("CREATE TABLE t1 (c2 BOOL, PRIMARY KEY (c2));")
tk.MustExec("INSERT INTO t1 SET c2 = '0';")
tk.MustExec("ALTER TABLE t1 ADD COLUMN c3 DATETIME NULL DEFAULT '2668-02-03 17:19:31';")
tk.MustExec("ALTER TABLE t1 ADD INDEX idx2 (c3);")
tk.MustExec("ALTER TABLE t1 ADD COLUMN c4 bit(10) default 127;")
tk.MustExec("ALTER TABLE t1 ADD INDEX idx3 (c4);")
tk.MustExec("admin check table t1;")
// Test admin show ddl jobs table name after table has been droped.
tk.MustExec("drop table if exists t1;")
re := tk.MustQuery("admin show ddl jobs 1")
rows := re.Rows()
c.Assert(len(rows), Equals, 1)
c.Assert(rows[0][2], Equals, "t1")
// Test for reverse scan get history ddl jobs when ddl history jobs queue has multiple regions.
txn, err = s.store.Begin()
c.Assert(err, IsNil)
historyJobs, err = admin.GetHistoryDDLJobs(txn, 20)
c.Assert(err, IsNil)
// Split region for history ddl job queues.
m := meta.NewMeta(txn)
startKey := meta.DDLJobHistoryKey(m, 0)
endKey := meta.DDLJobHistoryKey(m, historyJobs[0].ID)
s.cluster.SplitKeys(startKey, endKey, int(historyJobs[0].ID/5))
historyJobs2, err := admin.GetHistoryDDLJobs(txn, 20)
c.Assert(err, IsNil)
c.Assert(historyJobs, DeepEquals, historyJobs2)
}
func (s *testSuiteP2) TestAdminShowDDLJobs(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("create database if not exists test_admin_show_ddl_jobs")
tk.MustExec("use test_admin_show_ddl_jobs")
tk.MustExec("create table t (a int);")
re := tk.MustQuery("admin show ddl jobs 1")
row := re.Rows()[0]
c.Assert(row[1], Equals, "test_admin_show_ddl_jobs")
jobID, err := strconv.Atoi(row[0].(string))
c.Assert(err, IsNil)
err = kv.RunInNewTxn(context.Background(), s.store, true, func(ctx context.Context, txn kv.Transaction) error {
t := meta.NewMeta(txn)
job, err := t.GetHistoryDDLJob(int64(jobID))
c.Assert(err, IsNil)
c.Assert(job, NotNil)
// Test for compatibility. Old TiDB version doesn't have SchemaName field, and the BinlogInfo maybe nil.
// See PR: 11561.
job.BinlogInfo = nil
job.SchemaName = ""
err = t.AddHistoryDDLJob(job, true)
c.Assert(err, IsNil)
return nil
})
c.Assert(err, IsNil)
re = tk.MustQuery("admin show ddl jobs 1")
row = re.Rows()[0]
c.Assert(row[1], Equals, "test_admin_show_ddl_jobs")
re = tk.MustQuery("admin show ddl jobs 1 where job_type='create table'")
row = re.Rows()[0]
c.Assert(row[1], Equals, "test_admin_show_ddl_jobs")
c.Assert(row[9], Equals, "<nil>")
// Test the START_TIME and END_TIME field.
re = tk.MustQuery("admin show ddl jobs where job_type = 'create table' and start_time > str_to_date('20190101','%Y%m%d%H%i%s')")
row = re.Rows()[0]
c.Assert(row[2], Equals, "t")
c.Assert(row[9], Equals, "<nil>")
}
func (s *testSuiteP2) TestAdminChecksumOfPartitionedTable(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("USE test;")
tk.MustExec("DROP TABLE IF EXISTS admin_checksum_partition_test;")
tk.MustExec("CREATE TABLE admin_checksum_partition_test (a INT) PARTITION BY HASH(a) PARTITIONS 4;")
tk.MustExec("INSERT INTO admin_checksum_partition_test VALUES (1), (2);")
r := tk.MustQuery("ADMIN CHECKSUM TABLE admin_checksum_partition_test;")
r.Check(testkit.Rows("test admin_checksum_partition_test 1 5 5"))
}
func (s *baseTestSuite) fillData(tk *testkit.TestKit, table string) {
tk.MustExec("use test")
tk.MustExec(fmt.Sprintf("create table %s(id int not null default 1, name varchar(255), PRIMARY KEY(id));", table))
// insert data
tk.MustExec(fmt.Sprintf("insert INTO %s VALUES (1, \"hello\");", table))
tk.CheckExecResult(1, 0)
tk.MustExec(fmt.Sprintf("insert into %s values (2, \"hello\");", table))
tk.CheckExecResult(1, 0)
}
type testCase struct {
data1 []byte
data2 []byte
expected []string
restData []byte
expectedMsg string
}
func checkCases(tests []testCase, ld *executor.LoadDataInfo,
c *C, tk *testkit.TestKit, ctx sessionctx.Context, selectSQL, deleteSQL string) {
origin := ld.IgnoreLines
for _, tt := range tests {
ld.IgnoreLines = origin
c.Assert(ctx.NewTxn(context.Background()), IsNil)
ctx.GetSessionVars().StmtCtx.DupKeyAsWarning = true
ctx.GetSessionVars().StmtCtx.BadNullAsWarning = true
ctx.GetSessionVars().StmtCtx.InLoadDataStmt = true
ctx.GetSessionVars().StmtCtx.InDeleteStmt = false
data, reachLimit, err1 := ld.InsertData(context.Background(), tt.data1, tt.data2)
c.Assert(err1, IsNil)
c.Assert(reachLimit, IsFalse)
err1 = ld.CheckAndInsertOneBatch(context.Background(), ld.GetRows(), ld.GetCurBatchCnt())
c.Assert(err1, IsNil)
ld.SetMaxRowsInBatch(20000)
if tt.restData == nil {
c.Assert(data, HasLen, 0,
Commentf("data1:%v, data2:%v, data:%v", string(tt.data1), string(tt.data2), string(data)))
} else {
c.Assert(data, DeepEquals, tt.restData,
Commentf("data1:%v, data2:%v, data:%v", string(tt.data1), string(tt.data2), string(data)))
}
ld.SetMessage()
tk.CheckLastMessage(tt.expectedMsg)
ctx.StmtCommit()
txn, err := ctx.Txn(true)
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
r := tk.MustQuery(selectSQL)
r.Check(testutil.RowsWithSep("|", tt.expected...))
tk.MustExec(deleteSQL)
}
}
func (s *testSuiteP1) TestSelectWithoutFrom(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
r := tk.MustQuery("select 1 + 2*3;")
r.Check(testkit.Rows("7"))
r = tk.MustQuery(`select _utf8"string";`)
r.Check(testkit.Rows("string"))
r = tk.MustQuery("select 1 order by 1;")
r.Check(testkit.Rows("1"))
}
// TestSelectBackslashN Issue 3685.
func (s *testSuiteP1) TestSelectBackslashN(c *C) {
tk := testkit.NewTestKit(c, s.store)
sql := `select \N;`
r := tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err := tk.Exec(sql)
c.Check(err, IsNil)
fields := rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "NULL")
c.Assert(rs.Close(), IsNil)
sql = `select "\N";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("N"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `N`)
c.Assert(rs.Close(), IsNil)
tk.MustExec("use test;")
tk.MustExec("create table test (`\\N` int);")
tk.MustExec("insert into test values (1);")
tk.CheckExecResult(1, 0)
sql = "select * from test;"
r = tk.MustQuery(sql)
r.Check(testkit.Rows("1"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `\N`)
c.Assert(rs.Close(), IsNil)
sql = `select \N from test;`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(err, IsNil)
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `NULL`)
c.Assert(rs.Close(), IsNil)
sql = `select (\N) from test;`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `NULL`)
c.Assert(rs.Close(), IsNil)
sql = "select `\\N` from test;"
r = tk.MustQuery(sql)
r.Check(testkit.Rows("1"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `\N`)
c.Assert(rs.Close(), IsNil)
sql = "select (`\\N`) from test;"
r = tk.MustQuery(sql)
r.Check(testkit.Rows("1"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `\N`)
c.Assert(rs.Close(), IsNil)
sql = `select '\N' from test;`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("N"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `N`)
c.Assert(rs.Close(), IsNil)
sql = `select ('\N') from test;`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("N"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `N`)
c.Assert(rs.Close(), IsNil)
}
// TestSelectNull Issue #4053.
func (s *testSuiteP1) TestSelectNull(c *C) {
tk := testkit.NewTestKit(c, s.store)
sql := `select nUll;`
r := tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err := tk.Exec(sql)
c.Check(err, IsNil)
fields := rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `NULL`)
c.Assert(rs.Close(), IsNil)
sql = `select (null);`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `NULL`)
c.Assert(rs.Close(), IsNil)
sql = `select null+NULL;`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("<nil>"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(err, IsNil)
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `null+NULL`)
c.Assert(rs.Close(), IsNil)
}
// TestSelectStringLiteral Issue #3686.
func (s *testSuiteP1) TestSelectStringLiteral(c *C) {
tk := testkit.NewTestKit(c, s.store)
sql := `select 'abc';`
r := tk.MustQuery(sql)
r.Check(testkit.Rows("abc"))
rs, err := tk.Exec(sql)
c.Check(err, IsNil)
fields := rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `abc`)
c.Assert(rs.Close(), IsNil)
sql = `select (('abc'));`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("abc"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `abc`)
c.Assert(rs.Close(), IsNil)
sql = `select 'abc'+'def';`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("0"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, `'abc'+'def'`)
c.Assert(rs.Close(), IsNil)
// Below checks whether leading invalid chars are trimmed.
sql = "select '\n';"
r = tk.MustQuery(sql)
r.Check(testkit.Rows("\n"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "")
c.Assert(rs.Close(), IsNil)
sql = "select '\t col';" // Lowercased letter is a valid char.
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "col")
c.Assert(rs.Close(), IsNil)
sql = "select '\t Col';" // Uppercased letter is a valid char.
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "Col")
c.Assert(rs.Close(), IsNil)
sql = "select '\n\t 中文 col';" // Chinese char is a valid char.
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "中文 col")
c.Assert(rs.Close(), IsNil)
sql = "select ' \r\n .col';" // Punctuation is a valid char.
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, ".col")
c.Assert(rs.Close(), IsNil)
sql = "select ' 😆col';" // Emoji is a valid char.
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "😆col")
c.Assert(rs.Close(), IsNil)
// Below checks whether trailing invalid chars are preserved.
sql = `select 'abc ';`
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "abc ")
c.Assert(rs.Close(), IsNil)
sql = `select ' abc 123 ';`
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "abc 123 ")
c.Assert(rs.Close(), IsNil)
// Issue #4239.
sql = `select 'a' ' ' 'string';`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("a string"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "a")
c.Assert(rs.Close(), IsNil)
sql = `select 'a' " " "string";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("a string"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "a")
c.Assert(rs.Close(), IsNil)
sql = `select 'string' 'string';`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("stringstring"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "string")
c.Assert(rs.Close(), IsNil)
sql = `select "ss" "a";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("ssa"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "ss")
c.Assert(rs.Close(), IsNil)
sql = `select "ss" "a" "b";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("ssab"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "ss")
c.Assert(rs.Close(), IsNil)
sql = `select "ss" "a" ' ' "b";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("ssa b"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "ss")
c.Assert(rs.Close(), IsNil)
sql = `select "ss" "a" ' ' "b" ' ' "d";`
r = tk.MustQuery(sql)
r.Check(testkit.Rows("ssa b d"))
rs, err = tk.Exec(sql)
c.Check(err, IsNil)
fields = rs.Fields()
c.Check(len(fields), Equals, 1)
c.Check(fields[0].Column.Name.O, Equals, "ss")
c.Assert(rs.Close(), IsNil)
}
func (s *testSuiteP1) TestSelectLimit(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
s.fillData(tk, "select_limit")
tk.MustExec("insert INTO select_limit VALUES (3, \"hello\");")
tk.CheckExecResult(1, 0)
tk.MustExec("insert INTO select_limit VALUES (4, \"hello\");")
tk.CheckExecResult(1, 0)
r := tk.MustQuery("select * from select_limit limit 1;")
r.Check(testkit.Rows("1 hello"))
r = tk.MustQuery("select id from (select * from select_limit limit 1) k where id != 1;")
r.Check(testkit.Rows())
r = tk.MustQuery("select * from select_limit limit 18446744073709551615 offset 0;")
r.Check(testkit.Rows("1 hello", "2 hello", "3 hello", "4 hello"))
r = tk.MustQuery("select * from select_limit limit 18446744073709551615 offset 1;")
r.Check(testkit.Rows("2 hello", "3 hello", "4 hello"))
r = tk.MustQuery("select * from select_limit limit 18446744073709551615 offset 3;")
r.Check(testkit.Rows("4 hello"))
err := tk.ExecToErr("select * from select_limit limit 18446744073709551616 offset 3;")
c.Assert(err, NotNil)
}
func (s *testSuiteP1) TestSelectOrderBy(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
s.fillData(tk, "select_order_test")
// Test star field
r := tk.MustQuery("select * from select_order_test where id = 1 order by id limit 1 offset 0;")
r.Check(testkit.Rows("1 hello"))
r = tk.MustQuery("select id from select_order_test order by id desc limit 1 ")
r.Check(testkit.Rows("2"))
r = tk.MustQuery("select id from select_order_test order by id + 1 desc limit 1 ")
r.Check(testkit.Rows("2"))
// Test limit
r = tk.MustQuery("select * from select_order_test order by name, id limit 1 offset 0;")
r.Check(testkit.Rows("1 hello"))