linter: support lll to avoid too long line

br/cmd/br/debug.go

@@ -385,7 +385,8 @@ func setPDConfigCommand() *cobra.Command {
 				return errors.Trace(err)
 			}
 
-			mgr, err := task.NewMgr(ctx, tidbGlue, cfg.PD, cfg.TLS, task.GetKeepalive(&cfg), cfg.CheckRequirements, false, conn.NormalVersionChecker)
+			mgr, err := task.NewMgr(ctx, tidbGlue, cfg.PD, cfg.TLS, task.GetKeepalive(&cfg),
+				cfg.CheckRequirements, false, conn.NormalVersionChecker)
 			if err != nil {
 				return errors.Trace(err)
 			}

br/cmd/br/stream.go

@@ -161,9 +161,10 @@ func newStreamCheckCommand() *cobra.Command {
 
 func newStreamAdvancerCommand() *cobra.Command {
 	command := &cobra.Command{
-		Use:   "advancer",
-		Short: "Start a central worker for advancing the checkpoint. (only for debuging, this subcommand should be integrated to TiDB)",
-		Args:  cobra.NoArgs,
+		Use: "advancer",
+		Short: "Start a central worker for advancing the checkpoint. " +
+			"(only for debuging, this subcommand should be integrated to TiDB)",
+		Args: cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return streamCommand(cmd, task.StreamCtl)
 		},

br/pkg/checkpoint/checkpoint.go

@@ -245,7 +245,8 @@ type CheckpointRunner struct {
 }
 
 // only for test
-func StartCheckpointRunnerForTest(ctx context.Context, storage storage.ExternalStorage, cipher *backuppb.CipherInfo, tick time.Duration, timer GlobalTimer) (*CheckpointRunner, error) {
+func StartCheckpointRunnerForTest(ctx context.Context, storage storage.ExternalStorage,
+	cipher *backuppb.CipherInfo, tick time.Duration, timer GlobalTimer) (*CheckpointRunner, error) {
 	runner := &CheckpointRunner{
 		meta: make(map[string]*RangeGroups),
 
@@ -269,7 +270,8 @@ func StartCheckpointRunnerForTest(ctx context.Context, storage storage.ExternalS
 	return runner, nil
 }
 
-func StartCheckpointRunner(ctx context.Context, storage storage.ExternalStorage, cipher *backuppb.CipherInfo, timer GlobalTimer) (*CheckpointRunner, error) {
+func StartCheckpointRunner(ctx context.Context, storage storage.ExternalStorage,
+	cipher *backuppb.CipherInfo, timer GlobalTimer) (*CheckpointRunner, error) {
 	runner := &CheckpointRunner{
 		meta: make(map[string]*RangeGroups),
 
@@ -293,7 +295,8 @@ func StartCheckpointRunner(ctx context.Context, storage storage.ExternalStorage,
 	return runner, nil
 }
 
-func (r *CheckpointRunner) FlushChecksum(ctx context.Context, tableID int64, crc64xor uint64, totalKvs uint64, totalBytes uint64, timeCost float64) error {
+func (r *CheckpointRunner) FlushChecksum(ctx context.Context, tableID int64, crc64xor uint64,
+	totalKvs uint64, totalBytes uint64, timeCost float64) error {
 	return r.checksumRunner.FlushChecksum(ctx, r.storage, tableID, crc64xor, totalKvs, totalBytes, timeCost)
 }
 
@@ -405,7 +408,8 @@ func (r *CheckpointRunner) sendError(err error) {
 	r.checksumRunner.RecordError(err)
 }
 
-func (r *CheckpointRunner) startCheckpointLoop(ctx context.Context, tickDurationForFlush, tickDurationForLock time.Duration) {
+func (r *CheckpointRunner) startCheckpointLoop(ctx context.Context, tickDurationForFlush,
+	tickDurationForLock time.Duration) {
 	r.wg.Add(1)
 	checkpointLoop := func(ctx context.Context) {
 		defer r.wg.Done()
@@ -557,7 +561,8 @@ func (r *CheckpointRunner) flushLock(ctx context.Context, p int64) error {
 		LockId:   r.lockId,
 		ExpireAt: p + lockTimeToLive.Milliseconds(),
 	}
-	log.Info("start to flush the checkpoint lock", zap.Int64("lock-at", p), zap.Int64("expire-at", lock.ExpireAt))
+	log.Info("start to flush the checkpoint lock", zap.Int64("lock-at", p),
+		zap.Int64("expire-at", lock.ExpireAt))
 	data, err := json.Marshal(lock)
 	if err != nil {
 		return errors.Trace(err)
@@ -584,12 +589,15 @@ func (r *CheckpointRunner) checkLockFile(ctx context.Context, now int64) error {
 				"Please check whether the BR is running. If not, you can retry.", lock.LockId, r.lockId)
 		}
 		if lock.LockId == r.lockId {
-			log.Warn("The lock has expired.", zap.Int64("expire-at(ms)", lock.ExpireAt), zap.Int64("now(ms)", now))
+			log.Warn("The lock has expired.",
+				zap.Int64("expire-at(ms)", lock.ExpireAt), zap.Int64("now(ms)", now))
 		}
 	} else if lock.LockId != r.lockId {
 		return errors.Errorf("The existing lock will expire in %d seconds. "+
-			"There may be another BR(%d) running. If not, you can wait for the lock to expire, or delete the file `%s%s` manually.",
-			(lock.ExpireAt-now)/1000, lock.LockId, strings.TrimRight(r.storage.URI(), "/"), CheckpointLockPath)
+			"There may be another BR(%d) running. If not, you can wait for the lock to expire, "+
+			"or delete the file `%s%s` manually.",
+			(lock.ExpireAt-now)/1000, lock.LockId,
+			strings.TrimRight(r.storage.URI(), "/"), CheckpointLockPath)
 	}
 
 	return nil
@@ -635,7 +643,8 @@ func (r *CheckpointRunner) initialLock(ctx context.Context) error {
 
 // walk the whole checkpoint range files and retrieve the metadatat of backed up ranges
 // and return the total time cost in the past executions
-func WalkCheckpointFile(ctx context.Context, s storage.ExternalStorage, cipher *backuppb.CipherInfo, fn func(groupKey string, rg *rtree.Range)) (time.Duration, error) {
+func WalkCheckpointFile(ctx context.Context, s storage.ExternalStorage, cipher *backuppb.CipherInfo,
+	fn func(groupKey string, rg *rtree.Range)) (time.Duration, error) {
 	// records the total time cost in the past executions
 	var pastDureTime time.Duration = 0
 	err := s.WalkDir(ctx, &storage.WalkOption{SubDir: CheckpointDataDir}, func(path string, size int64) error {

br/pkg/checksum/executor.go

@@ -229,8 +229,10 @@ func buildIndexRequest(
 	var rule *tipb.ChecksumRewriteRule
 	if oldIndexInfo != nil {
 		rule = &tipb.ChecksumRewriteRule{
-			OldPrefix: append(append([]byte{}, oldKeyspace...), tablecodec.EncodeTableIndexPrefix(oldTableID, oldIndexInfo.ID)...),
-			NewPrefix: append(append([]byte{}, newKeyspace...), tablecodec.EncodeTableIndexPrefix(tableID, indexInfo.ID)...),
+			OldPrefix: append(append([]byte{}, oldKeyspace...),
+				tablecodec.EncodeTableIndexPrefix(oldTableID, oldIndexInfo.ID)...),
+			NewPrefix: append(append([]byte{}, newKeyspace...),
+				tablecodec.EncodeTableIndexPrefix(tableID, indexInfo.ID)...),
 		}
 	}
 	checksum := &tipb.ChecksumRequest{
@@ -332,7 +334,8 @@ func (exec *Executor) Execute(
 	updateFn func(),
 ) (*tipb.ChecksumResponse, error) {
 	checksumResp := &tipb.ChecksumResponse{}
-	checksumBackoffer := utils.InitialRetryState(utils.ChecksumRetryTime, utils.ChecksumWaitInterval, utils.ChecksumMaxWaitInterval)
+	checksumBackoffer := utils.InitialRetryState(utils.ChecksumRetryTime,
+		utils.ChecksumWaitInterval, utils.ChecksumMaxWaitInterval)
 	for _, req := range exec.reqs {
 		// Pointer to SessionVars.Killed
 		// Killed is a flag to indicate that this query is killed.

br/pkg/conn/conn.go

@@ -281,7 +281,8 @@ func (mgr *Mgr) GetTS(ctx context.Context) (uint64, error) {
 	return oracle.ComposeTS(p, l), nil
 }
 
-// GetMergeRegionSizeAndCount returns the tikv config `coprocessor.region-split-size` and `coprocessor.region-split-key`.
+// GetMergeRegionSizeAndCount returns the tikv config
+// `coprocessor.region-split-size` and `coprocessor.region-split-key`.
 // returns the default config when failed.
 func (mgr *Mgr) GetMergeRegionSizeAndCount(ctx context.Context, client *http.Client) (uint64, uint64) {
 	regionSplitSize := DefaultMergeRegionSizeBytes

br/pkg/glue/glue.go

@@ -43,7 +43,8 @@ type Session interface {
 	Execute(ctx context.Context, sql string) error
 	ExecuteInternal(ctx context.Context, sql string, args ...interface{}) error
 	CreateDatabase(ctx context.Context, schema *model.DBInfo) error
-	CreateTable(ctx context.Context, dbName model.CIStr, table *model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error
+	CreateTable(ctx context.Context, dbName model.CIStr, table *model.TableInfo,
+		cs ...ddl.CreateTableWithInfoConfigurier) error
 	CreatePlacementPolicy(ctx context.Context, policy *model.PolicyInfo) error
 	Close()
 	GetGlobalVariable(name string) (string, error)
@@ -52,7 +53,8 @@ type Session interface {
 
 // BatchCreateTableSession is an interface to batch create table parallelly
 type BatchCreateTableSession interface {
-	CreateTables(ctx context.Context, tables map[string][]*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error
+	CreateTables(ctx context.Context, tables map[string][]*model.TableInfo,
+		cs ...ddl.CreateTableWithInfoConfigurier) error
 }
 
 // Progress is an interface recording the current execution progress.

br/pkg/glue/progressing.go

@@ -111,11 +111,13 @@ func (ops ConsoleOperations) StartProgressBar(title string, total int, extraFiel
 	return ops.startProgressBarOverTTY(title, total, extraFields...)
 }
 
-func (ops ConsoleOperations) startProgressBarOverDummy(title string, total int, extraFields ...ExtraField) ProgressWaiter {
+func (ops ConsoleOperations) startProgressBarOverDummy(title string, total int,
+	extraFields ...ExtraField) ProgressWaiter {
 	return noOPWaiter{utils.StartProgress(context.TODO(), title, int64(total), true, nil)}
 }
 
-func (ops ConsoleOperations) startProgressBarOverTTY(title string, total int, extraFields ...ExtraField) ProgressWaiter {
+func (ops ConsoleOperations) startProgressBarOverTTY(title string, total int,
+	extraFields ...ExtraField) ProgressWaiter {
 	pb := mpb.New(mpb.WithOutput(ops.Out()), mpb.WithRefreshRate(400*time.Millisecond))
 	bar := adjustTotal(pb, title, total, extraFields...)
 
@@ -142,7 +144,8 @@ func buildProgressBar(pb *mpb.Progress, title string, total int, extraFields ...
 	greenTitle := color.GreenString(title)
 	return pb.New(int64(total),
 		// Play as if the old BR style.
-		mpb.BarStyle().Lbound("<").Filler("-").Padding(".").Rbound(">").Tip("-", "\\", "|", "/", "-").TipOnComplete("-"),
+		mpb.BarStyle().Lbound("<").Filler("-").Padding(".").Rbound(">").
+			Tip("-", "\\", "|", "/", "-").TipOnComplete("-"),
 		mpb.BarFillerMiddleware(func(bf mpb.BarFiller) mpb.BarFiller {
 			return mpb.BarFillerFunc(func(w io.Writer, reqWidth int, stat decor.Statistics) {
 				if stat.Aborted || stat.Completed {
@@ -151,19 +154,22 @@ func buildProgressBar(pb *mpb.Progress, title string, total int, extraFields ...
 				bf.Fill(w, reqWidth, stat)
 			})
 		}),
-		mpb.PrependDecorators(decor.OnAbort(decor.OnComplete(decor.Name(greenTitle), fmt.Sprintf("%s  ::", title)), fmt.Sprintf("%s  ::", title))),
-		mpb.AppendDecorators(decor.OnAbort(decor.Any(cbOnComplete(decor.NewPercentage("%02.2f"), printFinalMessage(extraFields))), color.RedString("ABORTED"))),
+		mpb.PrependDecorators(decor.OnAbort(decor.OnComplete(decor.Name(greenTitle),
+			fmt.Sprintf("%s  ::", title)), fmt.Sprintf("%s  ::", title))),
+		mpb.AppendDecorators(decor.OnAbort(decor.Any(cbOnComplete(decor.NewPercentage("%02.2f"),
+			printFinalMessage(extraFields))), color.RedString("ABORTED"))),
 	)
 }
 
 var (
-	spinnerDoneText string = fmt.Sprintf("... %s", color.GreenString("DONE"))
+	spinnerDoneText = fmt.Sprintf("... %s", color.GreenString("DONE"))
 )
 
 func buildOneTaskBar(pb *mpb.Progress, title string, total int) *mpb.Bar {
 	return pb.New(int64(total),
 		mpb.NopStyle(),
 		mpb.PrependDecorators(decor.Name(title)),
-		mpb.AppendDecorators(decor.OnAbort(decor.OnComplete(decor.Spinner(spinnerText), spinnerDoneText), color.RedString("ABORTED"))),
+		mpb.AppendDecorators(decor.OnAbort(decor.OnComplete(decor.Spinner(spinnerText), spinnerDoneText),
+			color.RedString("ABORTED"))),
 	)
 }

br/pkg/gluetidb/glue.go

@@ -191,7 +191,8 @@ func (gs *tidbSession) ExecuteInternal(ctx context.Context, sql string, args ...
 		defer rs.Close()
 		c := rs.NewChunk(nil)
 		if err := rs.Next(ctx, c); err != nil {
-			log.Warn("Error during draining result of internal sql.", logutil.Redact(zap.String("sql", sql)), logutil.ShortError(err))
+			log.Warn("Error during draining result of internal sql.",
+				logutil.Redact(zap.String("sql", sql)), logutil.ShortError(err))
 			return nil
 		}
 	}
@@ -224,11 +225,12 @@ func (gs *tidbSession) CreatePlacementPolicy(ctx context.Context, policy *model.
 // SplitBatchCreateTable provide a way to split batch into small batch when batch size is large than 6 MB.
 // The raft entry has limit size of 6 MB, a batch of CreateTables may hit this limitation
 // TODO: shall query string be set for each split batch create, it looks does not matter if we set once for all.
-func (gs *tidbSession) SplitBatchCreateTable(schema model.CIStr, infos []*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
+func (gs *tidbSession) SplitBatchCreateTable(schema model.CIStr,
+	infos []*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
 	var err error
 	d := domain.GetDomain(gs.se).DDL()
-
-	if err = d.BatchCreateTableWithInfo(gs.se, schema, infos, append(cs, ddl.OnExistIgnore)...); kv.ErrEntryTooLarge.Equal(err) {
+	err = d.BatchCreateTableWithInfo(gs.se, schema, infos, append(cs, ddl.OnExistIgnore)...)
+	if kv.ErrEntryTooLarge.Equal(err) {
 		log.Info("entry too large, split batch create table", zap.Int("num table", len(infos)))
 		if len(infos) == 1 {
 			return err
@@ -248,7 +250,8 @@ func (gs *tidbSession) SplitBatchCreateTable(schema model.CIStr, infos []*model.
 }
 
 // CreateTables implements glue.BatchCreateTableSession.
-func (gs *tidbSession) CreateTables(ctx context.Context, tables map[string][]*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
+func (gs *tidbSession) CreateTables(_ context.Context,
+	tables map[string][]*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
 	var dbName model.CIStr
 
 	// Disable foreign key check when batch create tables.
@@ -289,7 +292,8 @@ func (gs *tidbSession) CreateTables(ctx context.Context, tables map[string][]*mo
 }
 
 // CreateTable implements glue.Session.
-func (gs *tidbSession) CreateTable(ctx context.Context, dbName model.CIStr, table *model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
+func (gs *tidbSession) CreateTable(_ context.Context, dbName model.CIStr,
+	table *model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
 	d := domain.GetDomain(gs.se).DDL()
 	query, err := gs.showCreateTable(table)
 	if err != nil {
@@ -385,25 +389,27 @@ func (s *mockSession) ExecuteInternal(ctx context.Context, sql string, args ...i
 }
 
 // CreateDatabase implements glue.Session.
-func (s *mockSession) CreateDatabase(ctx context.Context, schema *model.DBInfo) error {
+func (*mockSession) CreateDatabase(_ context.Context, _ *model.DBInfo) error {
 	log.Fatal("unimplemented CreateDatabase for mock session")
 	return nil
 }
 
 // CreatePlacementPolicy implements glue.Session.
-func (s *mockSession) CreatePlacementPolicy(ctx context.Context, policy *model.PolicyInfo) error {
+func (*mockSession) CreatePlacementPolicy(_ context.Context, _ *model.PolicyInfo) error {
 	log.Fatal("unimplemented CreateDatabase for mock session")
 	return nil
 }
 
 // CreateTables implements glue.BatchCreateTableSession.
-func (s *mockSession) CreateTables(ctx context.Context, tables map[string][]*model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
+func (*mockSession) CreateTables(_ context.Context, _ map[string][]*model.TableInfo,
+	_ ...ddl.CreateTableWithInfoConfigurier) error {
 	log.Fatal("unimplemented CreateDatabase for mock session")
 	return nil
 }
 
 // CreateTable implements glue.Session.
-func (s *mockSession) CreateTable(ctx context.Context, dbName model.CIStr, table *model.TableInfo, cs ...ddl.CreateTableWithInfoConfigurier) error {
+func (*mockSession) CreateTable(_ context.Context, _ model.CIStr,
+	_ *model.TableInfo, _ ...ddl.CreateTableWithInfoConfigurier) error {
 	log.Fatal("unimplemented CreateDatabase for mock session")
 	return nil
 }

br/pkg/gluetidb/glue_test.go

@@ -62,8 +62,10 @@ func TestSplitBatchCreateTableWithTableId(t *testing.T) {
 	}))
 	require.NoError(t, err)
 
-	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'table_id_resued1'").Check(testkit.Rows("124"))
-	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'table_id_resued2'").Check(testkit.Rows("125"))
+	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'table_id_resued1'").
+		Check(testkit.Rows("124"))
+	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'table_id_resued2'").
+		Check(testkit.Rows("125"))
 	ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnOthers)
 
 	// allocate new table id verification
@@ -90,7 +92,9 @@ func TestSplitBatchCreateTableWithTableId(t *testing.T) {
 	}))
 	require.NoError(t, err)
 
-	idGen, ok := tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'table_id_new'").Rows()[0][0].(string)
+	idGen, ok := tk.MustQuery(
+		"select tidb_table_id from information_schema.tables where table_name = 'table_id_new'").
+		Rows()[0][0].(string)
 	require.True(t, ok)
 	idGenNum, err := strconv.ParseInt(idGen, 10, 64)
 	require.NoError(t, err)
@@ -166,9 +170,12 @@ func TestSplitBatchCreateTable(t *testing.T) {
 	require.Equal(t, "public", job3[4])
 
 	// check reused table id
-	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_1'").Check(testkit.Rows("1234"))
-	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_2'").Check(testkit.Rows("1235"))
-	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_3'").Check(testkit.Rows("1236"))
+	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_1'").
+		Check(testkit.Rows("1234"))
+	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_2'").
+		Check(testkit.Rows("1235"))
+	tk.MustQuery("select tidb_table_id from information_schema.tables where table_name = 'tables_3'").
+		Check(testkit.Rows("1236"))
 
 	require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/ddl/RestoreBatchCreateTableEntryTooLarge"))
 }

br/pkg/lightning/backend/backend.go

@@ -208,7 +208,8 @@ func MakeEngineManager(ab Backend) EngineManager {
 }
 
 // OpenEngine opens an engine with the given table name and engine ID.
-func (be EngineManager) OpenEngine(ctx context.Context, config *EngineConfig, tableName string, engineID int32) (*OpenedEngine, error) {
+func (be EngineManager) OpenEngine(ctx context.Context, config *EngineConfig,
+	tableName string, engineID int32) (*OpenedEngine, error) {
 	tag, engineUUID := MakeUUID(tableName, engineID)
 	logger := makeLogger(log.FromContext(ctx), tag, engineUUID)
 
@@ -231,7 +232,9 @@ func (be EngineManager) OpenEngine(ctx context.Context, config *EngineConfig, ta
 
 			closedCount := metric.ReadCounter(closedCounter)
 			if injectValue := val.(int); openCount-closedCount > float64(injectValue) {
-				panic(fmt.Sprintf("forcing failure due to FailIfEngineCountExceeds: %v - %v >= %d", openCount, closedCount, injectValue))
+				panic(fmt.Sprintf(
+					"forcing failure due to FailIfEngineCountExceeds: %v - %v >= %d",
+					openCount, closedCount, injectValue))
 			}
 		}
 	})
@@ -274,7 +277,8 @@ func (engine *OpenedEngine) LocalWriter(ctx context.Context, cfg *LocalWriterCon
 // (Open -> Write -> Close -> Import). This method should only be used when one
 // knows via other ways that the engine has already been opened, e.g. when
 // resuming from a checkpoint.
-func (be EngineManager) UnsafeCloseEngine(ctx context.Context, cfg *EngineConfig, tableName string, engineID int32) (*ClosedEngine, error) {
+func (be EngineManager) UnsafeCloseEngine(ctx context.Context, cfg *EngineConfig,
+	tableName string, engineID int32) (*ClosedEngine, error) {
 	tag, engineUUID := MakeUUID(tableName, engineID)
 	return be.UnsafeCloseEngineWithUUID(ctx, cfg, tag, engineUUID, engineID)
 }
@@ -284,7 +288,8 @@ func (be EngineManager) UnsafeCloseEngine(ctx context.Context, cfg *EngineConfig
 // (Open -> Write -> Close -> Import). This method should only be used when one
 // knows via other ways that the engine has already been opened, e.g. when
 // resuming from a checkpoint.
-func (be EngineManager) UnsafeCloseEngineWithUUID(ctx context.Context, cfg *EngineConfig, tag string, engineUUID uuid.UUID, id int32) (*ClosedEngine, error) {
+func (be EngineManager) UnsafeCloseEngineWithUUID(ctx context.Context, cfg *EngineConfig, tag string,
+	engineUUID uuid.UUID, id int32) (*ClosedEngine, error) {
 	return engine{
 		backend: be.backend,
 		logger:  makeLogger(log.FromContext(ctx), tag, engineUUID),