restore

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 Go to latest Published: Nov 22, 2020 License: Apache-2.0 Imports: 61 Imported by: 0

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Index

Constants

View Source 
const (
	SplitRetryTimes       = 32
	SplitRetryInterval    = 50 * time.Millisecond
	SplitMaxRetryInterval = time.Second

	SplitCheckMaxRetryTimes = 64
	SplitCheckInterval      = 8 * time.Millisecond
	SplitMaxCheckInterval   = time.Second

	ScatterWaitMaxRetryTimes = 64
	ScatterWaitInterval      = 50 * time.Millisecond
	ScatterMaxWaitInterval   = time.Second
	ScatterWaitUpperInterval = 180 * time.Second

	RejectStoreCheckRetryTimes  = 64
	RejectStoreCheckInterval    = 100 * time.Millisecond
	RejectStoreMaxCheckInterval = 2 * time.Second
)

Constants for split retry machinery.

Variables

This section is empty.

Functions

func AttachFilesToRanges 

func AttachFilesToRanges(
	files []*backup.File,
	ranges []rtree.Range,
) []rtree.Range

AttachFilesToRanges attach files to ranges. Panic if range is overlapped or no range for files. nolint:staticcheck

func EstimateRangeSize 

func EstimateRangeSize(files []*backup.File) int

EstimateRangeSize estimates the total range count by file.

func Exhaust 

func Exhaust(ec <-chan error) []error

Exhaust drains all remaining errors in the channel, into a slice of errors.

func FilterDDLJobs 

func FilterDDLJobs(allDDLJobs []*model.Job, tables []*utils.Table) (ddlJobs []*model.Job)

FilterDDLJobs filters ddl jobs.

func GetSSTMetaFromFile 

func GetSSTMetaFromFile(
	id []byte,
	file *backup.File,
	region *metapb.Region,
	regionRule *import_sstpb.RewriteRule,
) import_sstpb.SSTMeta

GetSSTMetaFromFile compares the keys in file, region and rewrite rules, then returns a sst conn. The range of the returned sst meta is [regionRule.NewKeyPrefix, append(regionRule.NewKeyPrefix, 0xff)].

func GoValidateFileRanges 

func GoValidateFileRanges(
	ctx context.Context,
	tableStream <-chan CreatedTable,
	fileOfTable map[int64][]*backup.File,
	errCh chan<- error,
) <-chan TableWithRange

GoValidateFileRanges validate files by a stream of tables and yields tables with range.

func MapTableToFiles 

func MapTableToFiles(files []*backup.File) map[int64][]*backup.File

MapTableToFiles makes a map that mapping table ID to its backup files. aware that one file can and only can hold one table.

func NewBackoffer 

func NewBackoffer(attempt int, delayTime, maxDelayTime time.Duration) utils.Backoffer

NewBackoffer creates a new controller regulating a truncated exponential backoff.

func ParseQuoteName 

func ParseQuoteName(name string) (string, string)

ParseQuoteName parse the quote `db`.`table` name, and split it.

func SortRanges 

func SortRanges(ranges []rtree.Range, rewriteRules *RewriteRules) ([]rtree.Range, error)

SortRanges checks if the range overlapped and sort them.

func SplitRanges 

func SplitRanges(
	ctx context.Context,
	client *Client,
	ranges []rtree.Range,
	rewriteRules *RewriteRules,
	updateCh glue.Progress,
) error

SplitRanges splits region by 1. data range after rewrite. 2. rewrite rules.

func ValidateFileRanges 

func ValidateFileRanges(
	files []*backup.File,
	rewriteRules *RewriteRules,
) ([]rtree.Range, error)

ValidateFileRanges checks and returns the ranges of the files.

func ValidateFileRewriteRule 

func ValidateFileRewriteRule(file *backup.File, rewriteRules *RewriteRules) error

ValidateFileRewriteRule uses rewrite rules to validate the ranges of a file.

func ZapRanges 

func ZapRanges(ranges []rtree.Range) zapcore.Field

ZapRanges make zap fields for debuging, which contains kv, size and count of ranges. TODO make it a lazy zap object.

func ZapTables 

func ZapTables(tables []CreatedTable) zapcore.Field

ZapTables make zap field of table for debuging, including table names.

Types

type BatchSender 

type BatchSender interface {
	// PutSink sets the sink of this sender, user to this interface promise
	// call this function at least once before first call to `RestoreBatch`.
	PutSink(sink TableSink)
	// RestoreBatch will send the restore request.
	RestoreBatch(ranges DrainResult)
	Close()
}

BatchSender is the abstract of how the batcher send a batch.

func NewTiKVSender 

func NewTiKVSender(
	ctx context.Context,
	cli *Client,
	updateCh glue.Progress,
) (BatchSender, error)

NewTiKVSender make a sender that send restore requests to TiKV.

type Batcher 

type Batcher struct {
	// contains filtered or unexported fields
}

Batcher collects ranges to restore and send batching split/ingest request.

func NewBatcher 

func NewBatcher(
	ctx context.Context,
	sender BatchSender,
	manager ContextManager,
	errCh chan<- error,
) (*Batcher, <-chan CreatedTable)

NewBatcher creates a new batcher by a sender and a context manager. the former defines how the 'restore' a batch(i.e. send, or 'push down' the task to where). the context manager defines the 'lifetime' of restoring tables(i.e. how to enter 'restore' mode, and how to exit). this batcher will work background, send batches per second, or batch size reaches limit. and it will emit full-restored tables to the output channel returned.

func (*Batcher) Add 

func (b *Batcher) Add(tbs TableWithRange)

Add adds a task to the Batcher.

func (*Batcher) Close 

func (b *Batcher) Close()

Close closes the batcher, sending all pending requests, close updateCh.

func (*Batcher) DisableAutoCommit 

func (b *Batcher) DisableAutoCommit()

DisableAutoCommit blocks the current goroutine until the worker can gracefully stop, and then disable auto commit.

func (*Batcher) EnableAutoCommit 

func (b *Batcher) EnableAutoCommit(ctx context.Context, delay time.Duration)

EnableAutoCommit enables the batcher commit batch periodically even batcher size isn't big enough. we make this function for disable AutoCommit in some case.

func (*Batcher) Len 

func (b *Batcher) Len() int

Len calculate the current size of this batcher.

func (*Batcher) Send 

func (b *Batcher) Send(ctx context.Context)

Send sends all pending requests in the batcher. returns tables sent FULLY in the current batch.

func (*Batcher) SetThreshold 

func (b *Batcher) SetThreshold(newThreshold int)

SetThreshold sets the threshold that how big the batch size reaching need to send batch. note this function isn't goroutine safe yet, just set threshold before anything starts(e.g. EnableAutoCommit), please.

type Client 

type Client struct {
	// contains filtered or unexported fields
}

Client sends requests to restore files.

func NewRestoreClient 

func NewRestoreClient(
	g glue.Glue,
	pdClient pd.Client,
	store kv.Storage,
	tlsConf *tls.Config,
	keepaliveConf keepalive.ClientParameters,
) (*Client, error)

NewRestoreClient returns a new RestoreClient.

func (*Client) Close 

func (rc *Client) Close()

Close a client.

func (*Client) CreateDatabase 

func (rc *Client) CreateDatabase(ctx context.Context, db *model.DBInfo) error

CreateDatabase creates a database.

func (*Client) CreateTables 

func (rc *Client) CreateTables(
	dom *domain.Domain,
	tables []*utils.Table,
	newTS uint64,
) (*RewriteRules, []*model.TableInfo, error)

CreateTables creates multiple tables, and returns their rewrite rules.

func (*Client) EnableOnline 

func (rc *Client) EnableOnline()

EnableOnline sets the mode of restore to online.

func (*Client) EnableSkipCreateSQL 

func (rc *Client) EnableSkipCreateSQL()

EnableSkipCreateSQL sets switch of skip create schema and tables.

func (*Client) ExecDDLs 

func (rc *Client) ExecDDLs(ctx context.Context, ddlJobs []*model.Job) error

ExecDDLs executes the queries of the ddl jobs.

func (*Client) GetDDLJobs 

func (rc *Client) GetDDLJobs() []*model.Job

GetDDLJobs returns ddl jobs.

func (*Client) GetDatabase 

func (rc *Client) GetDatabase(name string) *utils.Database

GetDatabase returns a database by name.

func (*Client) GetDatabases 

func (rc *Client) GetDatabases() []*utils.Database

GetDatabases returns all databases.

func (*Client) GetFilesInRawRange 

func (rc *Client) GetFilesInRawRange(startKey []byte, endKey []byte, cf string) ([]*backup.File, error)

GetFilesInRawRange gets all files that are in the given range or intersects with the given range.

func (*Client) GetPDClient 

func (rc *Client) GetPDClient() pd.Client

GetPDClient returns a pd client.

func (*Client) GetPlacementRules 

func (rc *Client) GetPlacementRules(ctx context.Context, pdAddrs []string) ([]placement.Rule, error)

GetPlacementRules return the current placement rules.

func (*Client) GetTLSConfig 

func (rc *Client) GetTLSConfig() *tls.Config

GetTLSConfig returns the tls config.

func (*Client) GetTS 

func (rc *Client) GetTS(ctx context.Context) (uint64, error)

GetTS gets a new timestamp from PD.

func (*Client) GetTableSchema 

func (rc *Client) GetTableSchema(
	dom *domain.Domain,
	dbName model.CIStr,
	tableName model.CIStr,
) (*model.TableInfo, error)

GetTableSchema returns the schema of a table from TiDB.

func (*Client) GoCreateTables 

func (rc *Client) GoCreateTables(
	ctx context.Context,
	dom *domain.Domain,
	tables []*utils.Table,
	newTS uint64,
	dbPool []*DB,
	errCh chan<- error,
) <-chan CreatedTable

GoCreateTables create tables, and generate their information. this function will use workers as the same number of sessionPool, leave sessionPool nil to send DDLs sequential.

func (*Client) GoValidateChecksum 

func (rc *Client) GoValidateChecksum(
	ctx context.Context,
	tableStream <-chan CreatedTable,
	kvClient kv.Client,
	errCh chan<- error,
	updateCh glue.Progress,
	concurrency uint,
) <-chan struct{}

GoValidateChecksum forks a goroutine to validate checksum after restore. it returns a channel fires a struct{} when all things get done.

func (*Client) InitBackupMeta 

func (rc *Client) InitBackupMeta(backupMeta *backup.BackupMeta, backend *backup.StorageBackend) error

InitBackupMeta loads schemas from BackupMeta to initialize RestoreClient.

func (*Client) IsIncremental 

func (rc *Client) IsIncremental() bool

IsIncremental returns whether this backup is incremental.

func (*Client) IsOnline 

func (rc *Client) IsOnline() bool

IsOnline tells if it's a online restore.

func (*Client) IsRawKvMode 

func (rc *Client) IsRawKvMode() bool

IsRawKvMode checks whether the backup data is in raw kv format, in which case transactional recover is forbidden.

func (*Client) IsSkipCreateSQL 

func (rc *Client) IsSkipCreateSQL() bool

IsSkipCreateSQL returns whether we need skip create schema and tables in restore.

func (*Client) LoadRestoreStores 

func (rc *Client) LoadRestoreStores(ctx context.Context) error

LoadRestoreStores loads the stores used to restore data.

func (*Client) ResetPlacementRules 

func (rc *Client) ResetPlacementRules(ctx context.Context, tables []*model.TableInfo) error

ResetPlacementRules removes placement rules for tables.

func (*Client) ResetRestoreLabels 

func (rc *Client) ResetRestoreLabels(ctx context.Context) error

ResetRestoreLabels removes the exclusive labels of the restore stores.

func (*Client) ResetTS 

func (rc *Client) ResetTS(ctx context.Context, pdAddrs []string) error

ResetTS resets the timestamp of PD to a bigger value.

func (*Client) RestoreFiles 

func (rc *Client) RestoreFiles(
	ctx context.Context,
	files []*backup.File,
	rewriteRules *RewriteRules,
	updateCh glue.Progress,
) (err error)

RestoreFiles tries to restore the files.

func (*Client) RestoreRaw 

func (rc *Client) RestoreRaw(
	ctx context.Context, startKey []byte, endKey []byte, files []*backup.File, updateCh glue.Progress,
) error

RestoreRaw tries to restore raw keys in the specified range.

func (*Client) SetConcurrency 

func (rc *Client) SetConcurrency(c uint)

SetConcurrency sets the concurrency of dbs tables files.

func (*Client) SetRateLimit 

func (rc *Client) SetRateLimit(rateLimit uint64)

SetRateLimit to set rateLimit.

func (*Client) SetStorage 

func (rc *Client) SetStorage(ctx context.Context, backend *backup.StorageBackend, sendCreds bool) error

SetStorage set ExternalStorage for client.

func (*Client) SetSwitchModeInterval 

func (rc *Client) SetSwitchModeInterval(interval time.Duration)

SetSwitchModeInterval set switch mode interval for client.

func (*Client) SetupPlacementRules 

func (rc *Client) SetupPlacementRules(ctx context.Context, tables []*model.TableInfo) error

SetupPlacementRules sets rules for the tables' regions.

func (*Client) SwitchToImportMode 

func (rc *Client) SwitchToImportMode(ctx context.Context)

SwitchToImportMode switch tikv cluster to import mode.

func (*Client) SwitchToNormalMode 

func (rc *Client) SwitchToNormalMode(ctx context.Context) error

SwitchToNormalMode switch tikv cluster to normal mode.

func (*Client) WaitPlacementSchedule 

func (rc *Client) WaitPlacementSchedule(ctx context.Context, tables []*model.TableInfo) error

WaitPlacementSchedule waits PD to move tables to restore stores.

type ContextManager 

type ContextManager interface {
	// Enter make some tables 'enter' this context(a.k.a., prepare for restore).
	Enter(ctx context.Context, tables []CreatedTable) error
	// Leave make some tables 'leave' this context(a.k.a., restore is done, do some post-works).
	Leave(ctx context.Context, tables []CreatedTable) error
	// Close closes the context manager, sometimes when the manager is 'killed' and should do some cleanup
	// it would be call.
	Close(ctx context.Context)
}

ContextManager is the struct to manage a TiKV 'context' for restore. Batcher will call Enter when any table should be restore on batch, so you can do some prepare work here(e.g. set placement rules for online restore).

func NewBRContextManager 

func NewBRContextManager(client *Client) ContextManager

NewBRContextManager makes a BR context manager, that is, set placement rules for online restore when enter(see <splitPrepareWork>), unset them when leave.

type CreatedTable 

type CreatedTable struct {
	RewriteRule *RewriteRules
	Table       *model.TableInfo
	OldTable    *utils.Table
}

CreatedTable is a table created on restore process, but not yet filled with data.

type DB 

type DB struct {
	// contains filtered or unexported fields
}

DB is a TiDB instance, not thread-safe.

func MakeDBPool 

func MakeDBPool(size uint, dbFactory func() (*DB, error)) ([]*DB, error)

MakeDBPool makes a session pool with specficated size by sessionFactory.

func NewDB 

func NewDB(g glue.Glue, store kv.Storage) (*DB, error)

NewDB returns a new DB.

func (*DB) AlterTiflashReplica 

func (db *DB) AlterTiflashReplica(ctx context.Context, table *utils.Table, count int) error

AlterTiflashReplica alters the replica count of tiflash.

func (*DB) Close 

func (db *DB) Close()

Close closes the connection.

func (*DB) CreateDatabase 

func (db *DB) CreateDatabase(ctx context.Context, schema *model.DBInfo) error

CreateDatabase executes a CREATE DATABASE SQL.

func (*DB) CreateTable 

func (db *DB) CreateTable(ctx context.Context, table *utils.Table) error

CreateTable executes a CREATE TABLE SQL.

func (*DB) ExecDDL 

func (db *DB) ExecDDL(ctx context.Context, ddlJob *model.Job) error

ExecDDL executes the query of a ddl job.

type DrainResult 

type DrainResult struct {
	// TablesToSend are tables that would be send at this batch.
	TablesToSend []CreatedTable
	// BlankTablesAfterSend are tables that will be full-restored after this batch send.
	BlankTablesAfterSend []CreatedTable
	RewriteRules         *RewriteRules
	Ranges               []rtree.Range
}

DrainResult is the collection of some ranges and theirs metadata.

func (DrainResult) Files 

func (result DrainResult) Files() []*backup.File

Files returns all files of this drain result.

type FileImporter 

type FileImporter struct {
	// contains filtered or unexported fields
}

FileImporter used to import a file to TiKV.

func NewFileImporter 

func NewFileImporter(
	metaClient SplitClient,
	importClient ImporterClient,
	backend *backup.StorageBackend,
	isRawKvMode bool,
	rateLimit uint64,
) FileImporter

NewFileImporter returns a new file importClient.

func (*FileImporter) Import 

func (importer *FileImporter) Import(
	ctx context.Context,
	file *backup.File,
	rewriteRules *RewriteRules,
) error

Import tries to import a file. All rules must contain encoded keys.

func (*FileImporter) SetRawRange 

func (importer *FileImporter) SetRawRange(startKey, endKey []byte) error

SetRawRange sets the range to be restored in raw kv mode.

type ImporterClient 

type ImporterClient interface {
	DownloadSST(
		ctx context.Context,
		storeID uint64,
		req *import_sstpb.DownloadRequest,
	) (*import_sstpb.DownloadResponse, error)

	IngestSST(
		ctx context.Context,
		storeID uint64,
		req *import_sstpb.IngestRequest,
	) (*import_sstpb.IngestResponse, error)

	SetDownloadSpeedLimit(
		ctx context.Context,
		storeID uint64,
		req *import_sstpb.SetDownloadSpeedLimitRequest,
	) (*import_sstpb.SetDownloadSpeedLimitResponse, error)

	GetImportClient(
		ctx context.Context,
		storeID uint64,
	) (import_sstpb.ImportSSTClient, error)
}

ImporterClient is used to import a file to TiKV.

func NewImportClient 

func NewImportClient(metaClient SplitClient, tlsConf *tls.Config, keepaliveConf keepalive.ClientParameters) ImporterClient

NewImportClient returns a new ImporterClient.

type LogClient 

type LogClient struct {
	// contains filtered or unexported fields
}

LogClient sends requests to restore files.

func NewLogRestoreClient 

func NewLogRestoreClient(
	ctx context.Context,
	restoreClient *Client,
	startTS uint64,
	endTS uint64,
	tableFilter filter.Filter,
	concurrency uint,
	batchFlushPairs int,
	batchFlushSize int64,
	batchWriteKVPairs int,
) (*LogClient, error)

NewLogRestoreClient returns a new LogRestoreClient.

func (*LogClient) Ingest 

func (l *LogClient) Ingest(ctx context.Context, meta *sst.SSTMeta, region *RegionInfo) (*sst.IngestResponse, error)

Ingest ingests sst to TiKV.

func (*LogClient) NeedRestoreRowChange 

func (l *LogClient) NeedRestoreRowChange(fileName string) (bool, error)

NeedRestoreRowChange determine whether to collect this file by ts range.

func (*LogClient) ResetTSRange 

func (l *LogClient) ResetTSRange(startTS uint64, endTS uint64)

ResetTSRange used for test.

func (*LogClient) RestoreLogData 

func (l *LogClient) RestoreLogData(ctx context.Context, dom *domain.Domain) error

RestoreLogData restore specify log data from storage.

type LogMeta 

type LogMeta struct {
	Names            map[int64]string `json:"names"`
	GlobalResolvedTS uint64           `json:"global_resolved_ts"`
}

LogMeta represents the log.meta generated by cdc log backup.

type OnSplitFunc 

type OnSplitFunc func(key [][]byte)

OnSplitFunc is called before split a range.

type RegionInfo 

type RegionInfo struct {
	Region *metapb.Region
	Leader *metapb.Peer
}

RegionInfo includes a region and the leader of the region.

func NeedSplit 

func NeedSplit(splitKey []byte, regions []*RegionInfo) *RegionInfo

NeedSplit checks whether a key is necessary to split, if true returns the split region.

func PaginateScanRegion 

func PaginateScanRegion(
	ctx context.Context, client SplitClient, startKey, endKey []byte, limit int,
) ([]*RegionInfo, error)

PaginateScanRegion scan regions with a limit pagination and return all regions at once. It reduces max gRPC message size.

func (*RegionInfo) ContainsInterior 

func (region *RegionInfo) ContainsInterior(key []byte) bool

ContainsInterior returns whether the region contains the given key, and also that the key does not fall on the boundary (start key) of the region.

type RegionSplitter 

type RegionSplitter struct {
	// contains filtered or unexported fields
}

RegionSplitter is a executor of region split by rules.

func NewRegionSplitter 

func NewRegionSplitter(client SplitClient) *RegionSplitter

NewRegionSplitter returns a new RegionSplitter.

func (*RegionSplitter) Split 

func (rs *RegionSplitter) Split(
	ctx context.Context,
	ranges []rtree.Range,
	rewriteRules *RewriteRules,
	onSplit OnSplitFunc,
) error

Split executes a region split. It will split regions by the rewrite rules, then it will split regions by the end key of each range. tableRules includes the prefix of a table, since some ranges may have a prefix with record sequence or index sequence. note: all ranges and rewrite rules must have raw key.

type RewriteRules 

type RewriteRules struct {
	Table []*import_sstpb.RewriteRule
	Data  []*import_sstpb.RewriteRule
}

RewriteRules contains rules for rewriting keys of tables.

func EmptyRewriteRule 

func EmptyRewriteRule() *RewriteRules

EmptyRewriteRule make a new, empty rewrite rule.

func GetRewriteRules 

func GetRewriteRules(
	newTable *model.TableInfo,
	oldTable *model.TableInfo,
	newTimeStamp uint64,
) *RewriteRules

GetRewriteRules returns the rewrite rule of the new table and the old table.

func (*RewriteRules) Append 

func (r *RewriteRules) Append(other RewriteRules)

Append append its argument to this rewrite rules.

type SendType 

type SendType int

SendType is the 'type' of a send. when we make a 'send' command to worker, we may want to flush all pending ranges (when auto commit enabled), or, we just want to clean overflowing ranges(when just adding a table to batcher). 

const (
	// SendUntilLessThanBatch will make the batcher send batch until
	// its remaining range is less than its batchSizeThreshold.
	SendUntilLessThanBatch SendType = iota
	// SendAll will make the batcher send all pending ranges.
	SendAll
	// SendAllThenClose will make the batcher send all pending ranges and then close itself.
	SendAllThenClose
)

type SplitClient 

type SplitClient interface {
	// GetStore gets a store by a store id.
	GetStore(ctx context.Context, storeID uint64) (*metapb.Store, error)
	// GetRegion gets a region which includes a specified key.
	GetRegion(ctx context.Context, key []byte) (*RegionInfo, error)
	// GetRegionByID gets a region by a region id.
	GetRegionByID(ctx context.Context, regionID uint64) (*RegionInfo, error)
	// SplitRegion splits a region from a key, if key is not included in the region, it will return nil.
	// note: the key should not be encoded
	SplitRegion(ctx context.Context, regionInfo *RegionInfo, key []byte) (*RegionInfo, error)
	// BatchSplitRegions splits a region from a batch of keys.
	// note: the keys should not be encoded
	BatchSplitRegions(ctx context.Context, regionInfo *RegionInfo, keys [][]byte) ([]*RegionInfo, error)
	// ScatterRegion scatters a specified region.
	ScatterRegion(ctx context.Context, regionInfo *RegionInfo) error
	// GetOperator gets the status of operator of the specified region.
	GetOperator(ctx context.Context, regionID uint64) (*pdpb.GetOperatorResponse, error)
	// ScanRegion gets a list of regions, starts from the region that contains key.
	// Limit limits the maximum number of regions returned.
	ScanRegions(ctx context.Context, key, endKey []byte, limit int) ([]*RegionInfo, error)
	// GetPlacementRule loads a placement rule from PD.
	GetPlacementRule(ctx context.Context, groupID, ruleID string) (placement.Rule, error)
	// SetPlacementRule insert or update a placement rule to PD.
	SetPlacementRule(ctx context.Context, rule placement.Rule) error
	// DeletePlacementRule removes a placement rule from PD.
	DeletePlacementRule(ctx context.Context, groupID, ruleID string) error
	// SetStoreLabel add or update specified label of stores. If labelValue
	// is empty, it clears the label.
	SetStoresLabel(ctx context.Context, stores []uint64, labelKey, labelValue string) error
}

SplitClient is an external client used by RegionSplitter.

func NewSplitClient 

func NewSplitClient(client pd.Client, tlsConf *tls.Config) SplitClient

NewSplitClient returns a client used by RegionSplitter.

type TableSink 

type TableSink interface {
	EmitTables(tables ...CreatedTable)
	EmitError(error)
	Close()
}

TableSink is the 'sink' of restored data by a sender.

type TableWithRange 

type TableWithRange struct {
	CreatedTable

	Range []rtree.Range
}

TableWithRange is a CreatedTable that has been bind to some of key ranges.

Source Files

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