Merge branch 'master' into init-cte-max

bindinfo/bind_test.go

@@ -35,6 +35,7 @@ import (
 	"github.com/pingcap/tidb/metrics"
 	plannercore "github.com/pingcap/tidb/planner/core"
 	"github.com/pingcap/tidb/session"
+	"github.com/pingcap/tidb/session/txninfo"
 	"github.com/pingcap/tidb/store/mockstore"
 	"github.com/pingcap/tidb/store/tikv/mockstore/cluster"
 	"github.com/pingcap/tidb/util"
@@ -70,6 +71,10 @@ type mockSessionManager struct {
 	PS []*util.ProcessInfo
 }
 
+func (msm *mockSessionManager) ShowTxnList() []*txninfo.TxnInfo {
+	panic("unimplemented!")
+}
+
 func (msm *mockSessionManager) ShowProcessList() map[uint64]*util.ProcessInfo {
 	ret := make(map[uint64]*util.ProcessInfo)
 	for _, item := range msm.PS {

config/config.go

@@ -60,9 +60,9 @@ const (
 	DefHost = "0.0.0.0"
 	// DefStatusHost is the default status host of TiDB
 	DefStatusHost = "0.0.0.0"
-	// Def TableColumnCountLimit is limit of the number of columns in a table
+	// DefTableColumnCountLimit is limit of the number of columns in a table
 	DefTableColumnCountLimit = 1017
-	// Def TableColumnCountLimit is maximum limitation of the number of columns in a table
+	// DefMaxOfTableColumnCountLimit is maximum limitation of the number of columns in a table
 	DefMaxOfTableColumnCountLimit = 4096
 )
 
@@ -73,7 +73,7 @@ var (
 		"tikv":     true,
 		"unistore": true,
 	}
-	// checkTableBeforeDrop enable to execute `admin check table` before `drop table`.
+	// CheckTableBeforeDrop enable to execute `admin check table` before `drop table`.
 	CheckTableBeforeDrop = false
 	// checkBeforeDropLDFlag is a go build flag.
 	checkBeforeDropLDFlag = "None"

ddl/db_integration_test.go

@@ -969,9 +969,9 @@ func (s *testIntegrationSuite5) TestModifyColumnOption(c *C) {
 
 func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn(c *C) {
 	tk := testkit.NewTestKit(c, s.store)
-
 	tk.MustExec("create database if not exists test")
 	tk.MustExec("use test")
+
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a int, b int as (a + 1), c int as (b + 1))")
 	tk.MustExec("insert into t (a) values (1)")
@@ -980,42 +980,72 @@ func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn(c *C) {
 	res := tk.MustQuery("select * from t use index(idx) where c > 1")
 	tk.MustQuery("select * from t ignore index(idx) where c > 1").Check(res.Rows())
 	tk.MustExec("admin check table t")
+}
+
+func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn1(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("create database if not exists test")
+	tk.MustExec("use test")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a int, b int as (a + 1), c int as (b + 1), d int as (c + 1))")
 	tk.MustExec("insert into t (a) values (1)")
 	tk.MustExec("create index idx on t (d)")
 	tk.MustQuery("select * from t where d > 2").Check(testkit.Rows("1 2 3 4"))
-	res = tk.MustQuery("select * from t use index(idx) where d > 2")
+	res := tk.MustQuery("select * from t use index(idx) where d > 2")
 	tk.MustQuery("select * from t ignore index(idx) where d > 2").Check(res.Rows())
 	tk.MustExec("admin check table t")
+}
+
+func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn2(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("create database if not exists test")
+	tk.MustExec("use test")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a bigint, b decimal as (a+1), c varchar(20) as (b*2), d float as (a*23+b-1+length(c)))")
 	tk.MustExec("insert into t (a) values (1)")
 	tk.MustExec("create index idx on t (d)")
 	tk.MustQuery("select * from t where d > 2").Check(testkit.Rows("1 2 4 25"))
-	res = tk.MustQuery("select * from t use index(idx) where d > 2")
+	res := tk.MustQuery("select * from t use index(idx) where d > 2")
 	tk.MustQuery("select * from t ignore index(idx) where d > 2").Check(res.Rows())
 	tk.MustExec("admin check table t")
+}
+
+func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn3(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("create database if not exists test")
+	tk.MustExec("use test")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a varchar(10), b float as (length(a)+123), c varchar(20) as (right(a, 2)), d float as (b+b-7+1-3+3*ASCII(c)))")
 	tk.MustExec("insert into t (a) values ('adorable')")
 	tk.MustExec("create index idx on t (d)")
 	tk.MustQuery("select * from t where d > 2").Check(testkit.Rows("adorable 131 le 577")) // 131+131-7+1-3+3*108
-	res = tk.MustQuery("select * from t use index(idx) where d > 2")
+	res := tk.MustQuery("select * from t use index(idx) where d > 2")
 	tk.MustQuery("select * from t ignore index(idx) where d > 2").Check(res.Rows())
 	tk.MustExec("admin check table t")
+}
+
+func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn4(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("create database if not exists test")
+	tk.MustExec("use test")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a bigint, b decimal as (a), c int(10) as (a+b), d float as (a+b+c), e decimal as (a+b+c+d))")
 	tk.MustExec("insert into t (a) values (1)")
 	tk.MustExec("create index idx on t (d)")
 	tk.MustQuery("select * from t where d > 2").Check(testkit.Rows("1 1 2 4 8"))
-	res = tk.MustQuery("select * from t use index(idx) where d > 2")
+	res := tk.MustQuery("select * from t use index(idx) where d > 2")
 	tk.MustQuery("select * from t ignore index(idx) where d > 2").Check(res.Rows())
 	tk.MustExec("admin check table t")
+}
+
+func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn5(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("create database if not exists test")
+	tk.MustExec("use test")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t(a bigint, b bigint as (a+1) virtual, c bigint as (b+1) virtual)")
@@ -1025,7 +1055,7 @@ func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn(c *C) {
 	tk.MustExec("alter table t add column(d bigint as (c+1) virtual)")
 	tk.MustExec("alter table t add index idx_d(d)")
 	tk.MustQuery("select * from t where d > 2").Check(testkit.Rows("1 2 3 4"))
-	res = tk.MustQuery("select * from t use index(idx_d) where d > 2")
+	res := tk.MustQuery("select * from t use index(idx_d) where d > 2")
 	tk.MustQuery("select * from t ignore index(idx_d) where d > 2").Check(res.Rows())
 	tk.MustExec("admin check table t")
 }

ddl/ddl_api.go

@@ -1617,7 +1617,10 @@ func checkPartitionDefinitionConstraints(ctx sessionctx.Context, tbInfo *model.T
 		return errors.Trace(err)
 	}
 	if err = checkAddPartitionTooManyPartitions(uint64(len(tbInfo.Partition.Definitions))); err != nil {
-		return errors.Trace(err)
+		return err
+	}
+	if err = checkAddPartitionOnTemporaryMode(tbInfo); err != nil {
+		return err
 	}
 
 	switch tbInfo.Partition.Type {

ddl/partition.go

@@ -1476,6 +1476,13 @@ func checkAddPartitionTooManyPartitions(piDefs uint64) error {
 	return nil
 }
 
+func checkAddPartitionOnTemporaryMode(tbInfo *model.TableInfo) error {
+	if tbInfo.Partition != nil && tbInfo.TempTableType != model.TempTableNone {
+		return ErrPartitionNoTemporary
+	}
+	return nil
+}
+
 func checkNoHashPartitions(ctx sessionctx.Context, partitionNum uint64) error {
 	if partitionNum == 0 {
 		return ast.ErrNoParts.GenWithStackByArgs("partitions")

ddl/table.go

@@ -56,11 +56,6 @@ func onCreateTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error)
 		job.State = model.JobStateCancelled
 		return ver, errors.Trace(err)
 	}
-	if tbInfo.Partition != nil && (tbInfo.TempTableType == model.TempTableGlobal || tbInfo.TempTableType == model.TempTableLocal) {
-		// unsupported ddl, cancel this job.
-		job.State = model.JobStateCancelled
-		return ver, errors.Trace(ErrPartitionNoTemporary)
-	}
 
 	tbInfo.State = model.StateNone
 	err := checkTableNotExists(d, t, schemaID, tbInfo.Name.L)

domain/domain_test.go

@@ -35,6 +35,7 @@ import (
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/meta"
 	"github.com/pingcap/tidb/metrics"
+	"github.com/pingcap/tidb/session/txninfo"
 	"github.com/pingcap/tidb/sessionctx/variable"
 	"github.com/pingcap/tidb/store/mockstore"
 	"github.com/pingcap/tidb/store/tikv"
@@ -241,6 +242,10 @@ type mockSessionManager struct {
 	PS []*util.ProcessInfo
 }
 
+func (msm *mockSessionManager) ShowTxnList() []*txninfo.TxnInfo {
+	panic("unimplemented!")
+}
+
 func (msm *mockSessionManager) ShowProcessList() map[uint64]*util.ProcessInfo {
 	ret := make(map[uint64]*util.ProcessInfo)
 	for _, item := range msm.PS {

errno/errname.go

@@ -1020,7 +1020,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{
 	ErrBuildExecutor:                       mysql.Message("Failed to build executor", nil),
 	ErrBatchInsertFail:                     mysql.Message("Batch insert failed, please clean the table and try again.", nil),
 	ErrGetStartTS:                          mysql.Message("Can not get start ts", nil),
-	ErrPrivilegeCheckFail:                  mysql.Message("privilege check fail", nil), // this error message should begin lowercased to be compatible with the test
+	ErrPrivilegeCheckFail:                  mysql.Message("privilege check for '%s' fail", nil), // this error message should begin lowercased to be compatible with the test
 	ErrInvalidWildCard:                     mysql.Message("Wildcard fields without any table name appears in wrong place", nil),
 	ErrMixOfGroupFuncAndFieldsIncompatible: mysql.Message("In aggregated query without GROUP BY, expression #%d of SELECT list contains nonaggregated column '%s'; this is incompatible with sql_mode=only_full_group_by", nil),
 	ErrUnsupportedSecondArgumentType:       mysql.Message("JSON_OBJECTAGG: unsupported second argument type %v", nil),

errors.toml

@@ -501,6 +501,11 @@ error = '''
 Deadlock found when trying to get lock; try restarting transaction
 '''
 
+["executor:1221"]
+error = '''
+Incorrect usage of %s and %s
+'''
+
 ["executor:1242"]
 error = '''
 Subquery returns more than 1 row
@@ -1133,7 +1138,7 @@ Schema has changed
 
 ["planner:8121"]
 error = '''
-privilege check fail
+privilege check for '%s' fail
 '''
 
 ["planner:8122"]
@@ -1281,6 +1286,11 @@ error = '''
 Unknown SEQUENCE: '%-.300s'
 '''
 
+["schema:8003"]
+error = '''
+TiDB admin check table failed.
+'''
+
 ["schema:8020"]
 error = '''
 Table '%s' was locked in %s by %v

executor/adapter.go

@@ -55,6 +55,7 @@ import (
 	"github.com/pingcap/tidb/util/sqlexec"
 	"github.com/pingcap/tidb/util/stmtsummary"
 	"github.com/pingcap/tidb/util/stringutil"
+
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )
@@ -377,6 +378,7 @@ func (a *ExecStmt) Exec(ctx context.Context) (_ sqlexec.RecordSet, err error) {
 	if txn.Valid() {
 		txnStartTS = txn.StartTS()
 	}
+
 	return &recordSet{
 		executor:   e,
 		stmt:       a,
@@ -590,6 +592,7 @@ func (a *ExecStmt) handlePessimisticDML(ctx context.Context, e Executor) error {
 		}
 		e, err = a.handlePessimisticLockError(ctx, err)
 		if err != nil {
+			// todo: Report deadlock
 			if ErrDeadlock.Equal(err) {
 				metrics.StatementDeadlockDetectDuration.Observe(time.Since(startLocking).Seconds())
 			}

executor/admin_test.go

@@ -76,6 +76,22 @@ func (s *testSuite5) TestAdminCheckIndex(c *C) {
 	check()
 }
 
+func (s *testSuite5) TestAdminCheckIndexInTemporaryMode(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	tk.MustExec("use test")
+	tk.MustExec("drop table if exists temporary_admin_test;")
+	tk.MustExec("create global temporary table temporary_admin_test (c1 int, c2 int, c3 int default 1, primary key (c1), index (c1), unique key(c2)) ON COMMIT DELETE ROWS;")
+	tk.MustExec("insert temporary_admin_test (c1, c2) values (1, 1), (2, 2), (3, 3);")
+	tk.MustGetErrCode("admin check table temporary_admin_test;", mysql.ErrAdminCheckTable)
+	tk.MustExec("drop table if exists temporary_admin_test;")
+
+	tk.MustExec("drop table if exists non_temporary_admin_test;")
+	tk.MustExec("create table non_temporary_admin_test (c1 int, c2 int, c3 int default 1, primary key (c1), index (c1), unique key(c2));")
+	tk.MustExec("insert non_temporary_admin_test (c1, c2) values (1, 1), (2, 2), (3, 3);")
+	tk.MustExec("admin check table non_temporary_admin_test;")
+	tk.MustExec("drop table if exists non_temporary_admin_test;")
+}
+
 func (s *testSuite5) TestAdminRecoverIndex(c *C) {
 	tk := testkit.NewTestKit(c, s.store)
 	tk.MustExec("use test")

executor/builder.go

@@ -1531,7 +1531,9 @@ func (b *executorBuilder) buildMemTable(v *plannercore.PhysicalMemTable) Executo
 			strings.ToLower(infoschema.TablePlacementPolicy),
 			strings.ToLower(infoschema.TableClientErrorsSummaryGlobal),
 			strings.ToLower(infoschema.TableClientErrorsSummaryByUser),
-			strings.ToLower(infoschema.TableClientErrorsSummaryByHost):
+			strings.ToLower(infoschema.TableClientErrorsSummaryByHost),
+			strings.ToLower(infoschema.TableTiDBTrx),
+			strings.ToLower(infoschema.ClusterTableTiDBTrx):
 			return &MemTableReaderExec{
 				baseExecutor: newBaseExecutor(b.ctx, v.Schema(), v.ID()),
 				table:        v.Table,

executor/ddl.go

@@ -26,12 +26,14 @@ import (
 	"github.com/pingcap/tidb/config"
 	"github.com/pingcap/tidb/ddl"
 	"github.com/pingcap/tidb/domain"
+	"github.com/pingcap/tidb/errno"
 	"github.com/pingcap/tidb/infoschema"
 	"github.com/pingcap/tidb/meta"
 	"github.com/pingcap/tidb/planner/core"
 	"github.com/pingcap/tidb/sessionctx/variable"
 	"github.com/pingcap/tidb/util/admin"
 	"github.com/pingcap/tidb/util/chunk"
+	"github.com/pingcap/tidb/util/dbterror"
 	"github.com/pingcap/tidb/util/gcutil"
 	"github.com/pingcap/tidb/util/logutil"
 	"github.com/pingcap/tidb/util/sqlexec"
@@ -311,8 +313,12 @@ func (e *DDLExec) dropTableObject(objects []*ast.TableName, obt objectType, ifEx
 		if isSystemTable(tn.Schema.L, tn.Name.L) {
 			return errors.Errorf("Drop tidb system table '%s.%s' is forbidden", tn.Schema.L, tn.Name.L)
 		}
-
-		if obt == tableObject && config.CheckTableBeforeDrop {
+		tableInfo, err := e.is.TableByName(tn.Schema, tn.Name)
+		if err != nil {
+			return err
+		}
+		tempTableType := tableInfo.Meta().TempTableType
+		if obt == tableObject && config.CheckTableBeforeDrop && tempTableType == model.TempTableNone {
 			logutil.BgLogger().Warn("admin check table before drop",
 				zap.String("database", fullti.Schema.O),
 				zap.String("table", fullti.Name.O),
@@ -559,6 +565,11 @@ func (e *DDLExec) getRecoverTableByTableName(tableName *ast.TableName) (*model.J
 	if tableInfo == nil || jobInfo == nil {
 		return nil, nil, errors.Errorf("Can't find dropped/truncated table: %v in DDL history jobs", tableName.Name)
 	}
+	// Dropping local temporary tables won't appear in DDL jobs.
+	if tableInfo.TempTableType == model.TempTableGlobal {
+		msg := mysql.Message("Recover/flashback table is not supported on temporary tables", nil)
+		return nil, nil, dbterror.ClassDDL.NewStdErr(errno.ErrUnsupportedDDLOperation, msg)
+	}
 	return jobInfo, tableInfo, nil
 }
 

executor/errors.go

@@ -42,6 +42,7 @@ var (
 	ErrTableaccessDenied             = dbterror.ClassExecutor.NewStd(mysql.ErrTableaccessDenied)
 	ErrBadDB                         = dbterror.ClassExecutor.NewStd(mysql.ErrBadDB)
 	ErrWrongObject                   = dbterror.ClassExecutor.NewStd(mysql.ErrWrongObject)
+	ErrWrongUsage                    = dbterror.ClassExecutor.NewStd(mysql.ErrWrongUsage)
 	ErrRoleNotGranted                = dbterror.ClassPrivilege.NewStd(mysql.ErrRoleNotGranted)
 	ErrDeadlock                      = dbterror.ClassExecutor.NewStd(mysql.ErrLockDeadlock)
 	ErrQueryInterrupted              = dbterror.ClassExecutor.NewStd(mysql.ErrQueryInterrupted)

executor/executor_pkg_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/pingcap/tidb/executor/aggfuncs"
 	"github.com/pingcap/tidb/expression"
 	plannerutil "github.com/pingcap/tidb/planner/util"
+	txninfo "github.com/pingcap/tidb/session/txninfo"
 	"github.com/pingcap/tidb/sessionctx/variable"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util"
@@ -60,6 +61,10 @@ type mockSessionManager struct {
 	serverID uint64
 }
 
+func (msm *mockSessionManager) ShowTxnList() []*txninfo.TxnInfo {
+	panic("unimplemented!")
+}
+
 // ShowProcessList implements the SessionManager.ShowProcessList interface.
 func (msm *mockSessionManager) ShowProcessList() map[uint64]*util.ProcessInfo {
 	ret := make(map[uint64]*util.ProcessInfo)