abstract

package
v0.0.0-rc4 Latest Latest
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 Go to latest Published: Sep 27, 2024 License: Apache-2.0 Imports: 28 Imported by: 0

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Index

Constants

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const (
	ProviderTypeMock = ProviderType("mock")
	ProviderTypeNone = ProviderType("none")
)
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const (
	TransferTypeNone                 = TransferType("TRANSFER_TYPE_UNSPECIFIED")
	TransferTypeSnapshotAndIncrement = TransferType("SNAPSHOT_AND_INCREMENT")
	TransferTypeSnapshotOnly         = TransferType("SNAPSHOT_ONLY")
	TransferTypeIncrementOnly        = TransferType("INCREMENT_ONLY")
)
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const (
	LocalRuntimeType = RuntimeType("local")
)
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const OriginalTypeMirrorBinary = changeitem.OriginalTypeMirrorBinary
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const TableConsumerKeeper = changeitem.TableConsumerKeeper
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const TableLSN = changeitem.TableLSN
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const TestVersion = 2

TestVersion is the version of unit tests that this will pass

Variables

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var AllTasks []Task = makeAllTasks()
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var AsyncPushConcurrencyErr = xerrors.NewSentinel("AsyncPush is called after Close")

AsyncPushConcurrencyErr indicates a Push has been called on an already closed AsyncSink. This must not happen and means there are concurrency issues in the implementation of a source.

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var ChCreateTableDistributedKind = changeitem.ChCreateTableDistributedKind
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var ChCreateTableKind = changeitem.ChCreateTableKind
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var ChangeItemFromMap = changeitem.ChangeItemFromMap
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var CheckErrorWrapping = dterrors.CheckErrorWrapping
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var CheckOpaqueErrorWrapping = dterrors.CheckOpaqueErrorWrapping
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var ClickhouseDDLBuilderKind = changeitem.ClickhouseDDLBuilderKind
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var ColIDX = changeitem.ColIDX
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var Collapse = changeitem.Collapse
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var ContainsNonRowItem = changeitem.ContainsNonRowItem
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var DDLKind = changeitem.DDLKind
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var DeleteKind = changeitem.DeleteKind
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var DoneShardedTableLoad = changeitem.DoneShardedTableLoad
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var DoneTableLoad = changeitem.DoneTableLoad
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var DropTableKind = changeitem.DropTableKind
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var Dump = changeitem.Dump
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var ElasticsearchDumpIndexKind = changeitem.ElasticsearchDumpIndexKind
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var EmptyEventSize = changeitem.EmptyEventSize
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var EmptyOldKeys = changeitem.EmptyOldKeys
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var FakeTasks []FakeTask = makeFakeTasks()
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var FindItemOfKind = changeitem.FindItemOfKind
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var GetRawMessageData = changeitem.GetRawMessageData
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var InitShardedTableLoad = changeitem.InitShardedTableLoad
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var InitTableLoad = changeitem.InitTableLoad
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var InsertKind = changeitem.InsertKind
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var IsFatal = dterrors.IsFatal
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var IsNonShardableError = dterrors.IsNonShardableError
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var IsRetriablePartUploadError = dterrors.IsRetriablePartUploadError
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var IsSystemTable = changeitem.IsSystemTable
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var IsTableUploadError = dterrors.IsTableUploadError
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var KeyNames = changeitem.KeyNames
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var MakeFastTableSchema = changeitem.MakeFastTableSchema
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var MakeMapColNameToIndex = changeitem.MakeMapColNameToIndex
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var MakeOriginallyTypedColSchema = changeitem.MakeOriginallyTypedColSchema
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var MakeRawMessage = changeitem.MakeRawMessage
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var MakeTypedColSchema = changeitem.MakeTypedColSchema
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var MongoCreateKind = changeitem.MongoCreateKind
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var MongoDropDatabaseKind = changeitem.MongoDropDatabaseKind
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var MongoDropKind = changeitem.MongoDropKind
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var MongoNoop = changeitem.MongoNoop
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var MongoRenameKind = changeitem.MongoRenameKind
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var MongoUpdateDocumentKind = changeitem.MongoUpdateDocumentKind
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var NewColSchema = changeitem.NewColSchema
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var NewFatalError = dterrors.NewFatalError
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var NewNonShardableError = dterrors.NewNonShardableError
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var NewPartition = changeitem.NewPartition
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var NewRetriablePartUploadError = dterrors.NewRetriablePartUploadError
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var NewStrictifyError = strictify.NewStrictifyError
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var NewTableID = changeitem.NewTableID
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var NewTableSchema = changeitem.NewTableSchema
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var NewTableUploadError = dterrors.NewTableUploadError
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var PgDDLKind = changeitem.PgDDLKind
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var PgName = changeitem.PgName
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var RawDataColsIDX = changeitem.RawDataColsIDX
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var RawDataSchema = changeitem.RawDataSchema
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var RawEventSize = changeitem.RawEventSize
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var RawMessagePartition = changeitem.RawMessagePartition
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var RawMessageSeqNo = changeitem.RawMessageSeqNo
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var RawMessageTopic = changeitem.RawMessageTopic
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var RawMessageWriteTime = changeitem.RawMessageWriteTime
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var RegisterSystemTables = changeitem.RegisterSystemTables
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var RunnableTasks []RunnableTask = makeRunnableTasks()
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var Sniff = changeitem.Sniff
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var SplitByID = changeitem.SplitByID
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var SplitByTableID = changeitem.SplitByTableID
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var SplitUpdatedPKeys = changeitem.SplitUpdatedPKeys
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var SynchronizeKind = changeitem.SynchronizeKind
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var TaskTypeByName map[TaskTypeName]TaskType = makeTaskTypeByNameMap()
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var TruncateTableKind = changeitem.TruncateTableKind
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var UpdateKind = changeitem.UpdateKind

Functions

func AddTransformer 

func AddTransformer(transformerName string, transformer SinkOption) error

func BalanceBrackets 

func BalanceBrackets(phrase string) bool

func BuildIncludeMap 

func BuildIncludeMap(objects []string) (map[TableID]bool, error)

func DefaultValue 

func DefaultValue(c *changeitem.ColSchema) interface{}

DefaultValue returns a default instance of the type represented by this schema. This method only works safely in heterogenous transfers.

func GetTypeFromString 

func GetTypeFromString(dataType string) (schema.Type, error)

func IsMysqlBinaryType 

func IsMysqlBinaryType(in string) bool

func KnownRuntime 

func KnownRuntime(r RuntimeType) bool

func ParseFilter 

func ParseFilter(rawFilter string) (*Table, *WhereStatement, error)

func RegisterProviderName 

func RegisterProviderName(providerType ProviderType, name string)

func RegisterRuntime 

func RegisterRuntime(r RuntimeType, f func(spec string) (Runtime, error))

func Restore 

func Restore(column ColSchema, value interface{}) interface{}

func RestoreChangeItems 

func RestoreChangeItems(batch []ChangeItem)

func Rows 

func Rows(metrics metrics.Registry, table string, rows int)

func ToYtSchema 

func ToYtSchema(original []ColSchema, fixAnyTypeInPrimaryKey bool) []schema.Column

func TrimMySQLType 

func TrimMySQLType(rawColumnType string) string

func ValidateChangeItem 

func ValidateChangeItem(changeItem *ChangeItem) error

func ValidateChangeItems 

func ValidateChangeItems(changeItems []ChangeItem) error

func ValidateChangeItemsPtrs 

func ValidateChangeItemsPtrs(changeItems []*ChangeItem) error

Types

type Activate 

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

Runnable tasks {{{

func (Activate) Visit 

func (t Activate) Visit(v TaskVisitor) interface{}

func (Activate) VisitRunnable 

func (t Activate) VisitRunnable(v RunnableVisitor) interface{}

type AddTables 

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

Runnable tasks {{{

func (AddTables) Visit 

func (t AddTables) Visit(v TaskVisitor) interface{}

func (AddTables) VisitRunnable 

func (t AddTables) VisitRunnable(v RunnableVisitor) interface{}

type AsyncMiddleware 

type AsyncMiddleware func(sink AsyncSink) AsyncSink

func ComposeAsyncMiddleware 

func ComposeAsyncMiddleware(mw ...AsyncMiddleware) AsyncMiddleware

ComposeAsyncMiddleware builds a pipeline of AsyncMiddlewares. Arguments order should be the same as the desired data flow. ComposeAsyncMiddleware(A, B, C)(sink) call is equivalent to A(B(C(sink)))

type AsyncSink 

type AsyncSink interface {
	io.Closer
	// AsyncPush writes items asynchronously. The error for the given batch of items will be written into the resulting channel when an underlying (synchronous) Push actually happens.
	// Note, that AsyncPush takes ownership on slice `items`, so it shouldn't be further used.
	AsyncPush(items []ChangeItem) chan error
}

AsyncSink provides asynchronous Push operation, which should be a wrapper over synchronous Push implemented by sink.

All of its methods may be called concurrently.

type Asyncer 

type Asyncer func(sinker Sinker) AsyncSink

type Block 

type Block interface {
	GetData() []map[string]interface{}
}

type ChangeItem 

type ChangeItem = changeitem.ChangeItem

func MakeDoneTableLoad 

func MakeDoneTableLoad(pos LogPosition, table TableDescription, commitTime time.Time, tableSchema *TableSchema) []ChangeItem

func MakeInitTableLoad 

func MakeInitTableLoad(pos LogPosition, table TableDescription, commitTime time.Time, tableSchema *TableSchema) []ChangeItem

func MakeSynchronizeEvent 

func MakeSynchronizeEvent() ChangeItem

func MakeTxDone 

func MakeTxDone(txSequence uint32, lsn uint64, execTS time.Time, lastPushedGTID, gtidStr string) ChangeItem

func UnmarshalChangeItem 

func UnmarshalChangeItem(changeItemBuf []byte) (*ChangeItem, error)

func UnmarshalChangeItems 

func UnmarshalChangeItems(changeItemsBuf []byte) ([]ChangeItem, error)

type CheckResult 

type CheckResult struct {
	Error   error
	Success bool
}

CheckResult describe particular check result that was performed against endpoint / transfer

type CheckType 

type CheckType string

CheckType test check type

type Checksum 

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

Runnable tasks {{{

func (Checksum) Visit 

func (t Checksum) Visit(v TaskVisitor) interface{}

func (Checksum) VisitRunnable 

func (t Checksum) VisitRunnable(v RunnableVisitor) interface{}

type CleanupResource 

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

Runnable tasks {{{

func (CleanupResource) Visit 

func (t CleanupResource) Visit(v TaskVisitor) interface{}

func (CleanupResource) VisitRunnable 

func (t CleanupResource) VisitRunnable(v RunnableVisitor) interface{}

type Closeable 

type Closeable interface {
	// Must be safe for concurrent use
	Close()
}

type ColSchema 

type ColSchema = changeitem.ColSchema

type ColumnInfo 

type ColumnInfo struct {
	Name     string
	Type     *ColumnType
	Nullable bool
}

type ColumnName 

type ColumnName = changeitem.ColumnName

type ColumnSchema 

type ColumnSchema struct {
	Name    string      `yson:"name" json:"name"`
	YTType  schema.Type `yson:"type" json:"type"`
	Primary bool        `json:"primary"`
}

type ColumnType 

type ColumnType interface {
	GetRepresentation() string
}

type Committable 

type Committable interface {
	Sinker

	// Commit commits all changes made by all sinks during the operation of this transfer.
	// This can be implemented in the future for CH and S3. To implement atomicity, you need to use a transaction that
	// captures all actions with destination DB during the snapshot. This transaction must be committed when calling Commit().
	Commit() error
}

Committable is a sinker that needs to be completed after snapshot.

type DBSchema 

type DBSchema = changeitem.DBSchema

func SchemaFilterByObjects 

func SchemaFilterByObjects(schema DBSchema, objects []string) (DBSchema, error)

type DateColumn 

type DateColumn struct {
	From, To, Nano string
}

type Deactivate 

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

Runnable tasks {{{

func (Deactivate) Visit 

func (t Deactivate) Visit(v TaskVisitor) interface{}

func (Deactivate) VisitRunnable 

func (t Deactivate) VisitRunnable(v RunnableVisitor) interface{}

type EmptyIoCloser 

type EmptyIoCloser struct{} // stub implementation of io.Closer

func NewEmptyIoCloser 

func NewEmptyIoCloser() *EmptyIoCloser

func (*EmptyIoCloser) Close 

func (s *EmptyIoCloser) Close() error

type EndpointDelete 

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

Fake tasks {{{

func (EndpointDelete) Visit 

func (t EndpointDelete) Visit(v TaskVisitor) interface{}

func (EndpointDelete) VisitFake 

func (t EndpointDelete) VisitFake(v FakeVisitor) interface{}

type EphemeralTask 

type EphemeralTask interface {
	Task
	// contains filtered or unexported methods
}

type EventSize 

type EventSize = changeitem.EventSize

type FakeTask 

type FakeTask interface {
	Task
	VisitFake(visitor FakeVisitor) interface{}
	// contains filtered or unexported methods
}

type FakeVisitor 

type FakeVisitor interface {
	OnEndpointDelete(t EndpointDelete) interface{}
	OnTransferCreate(t TransferCreate) interface{}
	OnTransferDelete(t TransferDelete) interface{}
	OnReplication(t Replication) interface{}
	OnTermination(t Termination) interface{}
	OnTransferVersionUpdate(t TransferVersionUpdate) interface{}
	OnTransferVersionFreeze(t TransferVersionFreeze) interface{}
	OnTransferVersionUnfreeze(t TransferVersionUnfreeze) interface{}
}

type FastTableSchema 

type FastTableSchema = changeitem.FastTableSchema

type Fetchable 

type Fetchable interface {
	Fetch() ([]ChangeItem, error)
}

type Filters 

type Filters map[Table]WhereStatement

func ParseFilterItems 

func ParseFilterItems(rawFilters []string) (Filters, error)

type HomoValuer 

type HomoValuer interface {
	HomoValue() any
}

HomoValuer is the same as sql/driver.Valuer, but for homogenous values

type IncludeTableList 

type IncludeTableList interface {
	Includeable
	IncludeTableList() ([]TableID, error)
}

type Includeable 

type Includeable interface {
	// Include returns true if the given table is included
	Include(tID TableID) bool
}

func NewIntersectionIncludeable 

func NewIntersectionIncludeable(a, b Includeable) Includeable

type IncrementalStorage 

type IncrementalStorage interface {
	GetIncrementalState(ctx context.Context, incremental []IncrementalTable) ([]TableDescription, error)
	SetInitialState(tables []TableDescription, incremental []IncrementalTable)
}

type IncrementalTable 

type IncrementalTable struct {
	Name         string `yaml:"name"`
	Namespace    string `yaml:"namespace"`
	CursorField  string `yaml:"cursor_field"`
	InitialState string `yaml:"initial_state"`
}

func (IncrementalTable) Initialized 

func (t IncrementalTable) Initialized() bool

func (IncrementalTable) TableID 

func (t IncrementalTable) TableID() TableID

type Kind 

type Kind = changeitem.Kind

type LfLineSplitter 

type LfLineSplitter string
const (
	LfLineSplitterNewLine    LfLineSplitter = "\n"
	LfLineSplitterDoNotSplit LfLineSplitter = "do-not-split"
	LfLineSplitterProtoseq   LfLineSplitter = "protoseq"
)

type LimitedResourceRuntime 

type LimitedResourceRuntime interface {
	RAMGuarantee() uint64
	GCPercentage() int
	ResourceLimiterEnabled() bool
}

type LoadProgress 

type LoadProgress func(current, progress, total uint64)

type LocalRuntime 

type LocalRuntime struct {
	Host           string
	CurrentJob     int
	ShardingUpload ShardUploadParams
}

func (*LocalRuntime) CurrentJobIndex 

func (l *LocalRuntime) CurrentJobIndex() int

func (*LocalRuntime) IsMain 

func (l *LocalRuntime) IsMain() bool

func (*LocalRuntime) NeedRestart 

func (l *LocalRuntime) NeedRestart(runtime Runtime) bool

func (*LocalRuntime) SetVersion 

func (l *LocalRuntime) SetVersion(runtimeSpecificVersion string, versionProperties *string) error

func (*LocalRuntime) ThreadsNumPerWorker 

func (l *LocalRuntime) ThreadsNumPerWorker() int

func (*LocalRuntime) Type 

func (*LocalRuntime) Type() RuntimeType

func (*LocalRuntime) Validate 

func (l *LocalRuntime) Validate() error

func (*LocalRuntime) WithDefaults 

func (l *LocalRuntime) WithDefaults()

func (*LocalRuntime) WorkersNum 

func (l *LocalRuntime) WorkersNum() int

type LogPosition 

type LogPosition struct {
	ID   uint32
	LSN  uint64
	TxID string
}

type Middleware 

type Middleware func(sinker Sinker) Sinker

type MonitorableSlot 

type MonitorableSlot interface {
	RunSlotMonitor(ctx context.Context, serverSource interface{}, registry metrics.Registry) (SlotKiller, <-chan error, error)
}

type Movable 

type Movable interface {
	Sinker
	// Move moves (renames) the given source table into the given destination table
	Move(ctx context.Context, src, dst TableID) error
}

Movable is a sinker which can move tables. This interface allows to use temporator middleware.

type OldKeysType 

type OldKeysType = changeitem.OldKeysType

type Partition 

type Partition = changeitem.Partition

type PositionalStorage 

type PositionalStorage interface {
	// Position provide info about snapshot read position
	Position(ctx context.Context) (*LogPosition, error)
}

PositionalStorage some storages may provide specific position for snapshot consistency

type Progress 

type Progress struct {
	Completed int64
	Total     int64
}

type PropertyKey 

type PropertyKey = changeitem.PropertyKey

type ProviderType 

type ProviderType string

func (ProviderType) Name 

func (p ProviderType) Name() string

type Pusher 

type Pusher func(items []ChangeItem) error

func PusherFromAsyncSink 

func PusherFromAsyncSink(asink AsyncSink) Pusher

PusherFromAsyncSink wraps the given sink into a (synchronous) pusher interface

type ReUpload 

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

Runnable tasks {{{

func (ReUpload) Visit 

func (t ReUpload) Visit(v TaskVisitor) interface{}

func (ReUpload) VisitRunnable 

func (t ReUpload) VisitRunnable(v RunnableVisitor) interface{}

type RegularSnapshot 

type RegularSnapshot struct {
	Enabled               bool               `json:"Enabled" yaml:"enabled"`
	Interval              time.Duration      `json:"Interval" yaml:"interval"`
	CronExpression        string             `json:"CronExpression" yaml:"cron_expression"`
	IncrementDelaySeconds int64              `json:"IncrementDelaySeconds" yaml:"increment_delay_seconds"`
	Incremental           []IncrementalTable `json:"Incremental" yaml:"incremental"`
}

type RemoveTables 

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

Runnable tasks {{{

func (RemoveTables) Visit 

func (t RemoveTables) Visit(v TaskVisitor) interface{}

func (RemoveTables) VisitRunnable 

func (t RemoveTables) VisitRunnable(v RunnableVisitor) interface{}

type Replication 

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

Fake tasks {{{

func (Replication) Visit 

func (t Replication) Visit(v TaskVisitor) interface{}

func (Replication) VisitFake 

func (t Replication) VisitFake(v FakeVisitor) interface{}

type Restart 

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

Runnable tasks {{{

func (Restart) Visit 

func (t Restart) Visit(v TaskVisitor) interface{}

func (Restart) VisitRunnable 

func (t Restart) VisitRunnable(v RunnableVisitor) interface{}

type RetriablePartUploadError 

type RetriablePartUploadError = dterrors.RetriablePartUploadError

type RunnableTask 

type RunnableTask interface {
	Task
	VisitRunnable(visitor RunnableVisitor) interface{}
	// contains filtered or unexported methods
}

type RunnableVisitor 

type RunnableVisitor interface {
	OnActivate(t Activate) interface{}
	OnAddTables(t AddTables) interface{}
	OnUpdateTransfer(t UpdateTransfer) interface{}
	OnChecksum(t Checksum) interface{}
	OnDeactivate(t Deactivate) interface{}
	OnCleanupResource(t CleanupResource) interface{}
	OnReUpload(t ReUpload) interface{}
	OnRemoveTables(t RemoveTables) interface{}
	OnRestart(t Restart) interface{}
	OnStart(t Start) interface{}
	OnStop(t Stop) interface{}
	OnUpload(t Upload) interface{}
	OnVerify(t Verify) interface{}
	OnTestEndpoint(t TestEndpoint) interface{}
}

type Runtime 

type Runtime interface {
	NeedRestart(runtime Runtime) bool
	WithDefaults()
	Validate() error
	Type() RuntimeType
	SetVersion(runtimeSpecificVersion string, versionProperties *string) error
}

func NewRuntime 

func NewRuntime(runtime RuntimeType, runtimeSpec string) (Runtime, error)

type RuntimeType 

type RuntimeType string

type SampleableStorage 

type SampleableStorage interface {
	Storage

	TableSizeInBytes(table TableID) (uint64, error)
	LoadTopBottomSample(table TableDescription, pusher Pusher) error
	LoadRandomSample(table TableDescription, pusher Pusher) error
	LoadSampleBySet(table TableDescription, keySet []map[string]interface{}, pusher Pusher) error
	TableAccessible(table TableDescription) bool
}

SampleableStorage is for dataplane tests

type ScheduledTask 

type ScheduledTask interface {
	Stop()
	Runtime() Runtime
}

type SchemaStorage 

type SchemaStorage interface {
	LoadSchema() (DBSchema, error)
}

SchemaStorage allow to resolve DB Schema from storage

type ShardUploadParams 

type ShardUploadParams struct {
	JobCount     int //Workers count
	ProcessCount int //Threads count
}

Parallelism params

func DefaultShardUploadParams 

func DefaultShardUploadParams() *ShardUploadParams

func NewShardUploadParams 

func NewShardUploadParams(jobCount int, processCount int) *ShardUploadParams

type ShardableTask 

type ShardableTask interface {
	Task
	// contains filtered or unexported methods
}

type ShardingContextStorage 

type ShardingContextStorage interface {
	// ShardingContext Return shared data, used on *MAIN* worker;
	// Take care, method return OperationState_ShardedUploadState, but only fill field Context;
	// Because type of Context is private, this is protoc thing;
	ShardingContext() ([]byte, error)

	// SetShardingContext for storage, used on *SECONDARY* worker
	SetShardingContext(shardedState []byte) error
}

Storage has data, that need to be shared with all workers

type ShardingStorage 

type ShardingStorage interface {
	ShardTable(ctx context.Context, table TableDescription) ([]TableDescription, error)
}

ShardingStorage is for in table sharding

type ShardingTaskRuntime 

type ShardingTaskRuntime interface {
	WorkersNum() int
	ThreadsNumPerWorker() int
	CurrentJobIndex() int
	IsMain() bool
}

type SinkOption 

type SinkOption func(sinker Sinker) Sinker

TODO: Drop by making transformers a common middleware

func GetTransformers 

func GetTransformers(middlewareNames []string) ([]SinkOption, error)

type Sinker 

type Sinker interface {
	io.Closer
	// Push writes the given items into destination synchronously. If its result is nil, the items are considered to be successfully written to the destination.
	// The method must be retriable: it can be called again after it returns an error, except for fatal errors (these must be wrapped in a particular struct)
	Push(items []ChangeItem) error
}

Sinker is the destination's data writer interface.

All its methods are guaranteed to be called non-concurrently (synchronously).

TODO: rename to Sink

type SlotKiller 

type SlotKiller interface {
	KillSlot() error
}

func MakeStubSlotKiller 

func MakeStubSlotKiller() SlotKiller

type SnapshotableStorage 

type SnapshotableStorage interface {
	BeginSnapshot(ctx context.Context) error
	EndSnapshot(ctx context.Context) error
}

type Source 

type Source interface {
	Run(sink AsyncSink) error
	Stop()
}

type SourceReader 

type SourceReader struct {
	TotalCount int
	Reader     chan map[string]interface{}
	Name       string
	RawSchema  []ColumnSchema
	Schema     string
	Table      string
	Lsn        uint64
	CommitTime uint64
}

type Start 

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

Runnable tasks {{{

func (Start) Visit 

func (t Start) Visit(v TaskVisitor) interface{}

func (Start) VisitRunnable 

func (t Start) VisitRunnable(v RunnableVisitor) interface{}

type Stop 

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

Runnable tasks {{{

func (Stop) Visit 

func (t Stop) Visit(v TaskVisitor) interface{}

func (Stop) VisitRunnable 

func (t Stop) VisitRunnable(v RunnableVisitor) interface{}

type Storage 

type Storage interface {
	Closeable

	Ping() error
	LoadTable(ctx context.Context, table TableDescription, pusher Pusher) error
	TableSchema(ctx context.Context, table TableID) (*TableSchema, error)
	TableList(filter IncludeTableList) (TableMap, error)

	ExactTableRowsCount(table TableID) (uint64, error)
	EstimateTableRowsCount(table TableID) (uint64, error)
	TableExists(table TableID) (bool, error)
}

Storage is for simple storage implementations For extra functionalities implement below storages.

type StubSlotKiller 

type StubSlotKiller struct {
}

func (*StubSlotKiller) KillSlot 

func (k *StubSlotKiller) KillSlot() error

type Table 

type Table string

type TableColumns 

type TableColumns = changeitem.TableColumns

type TableDescription 

type TableDescription struct {
	Name   string
	Schema string // for example - for mysql here are database name
	Filter WhereStatement
	EtaRow uint64 // estimated number of rows in the table
	Offset uint64 // offset (in rows) along the ordering key (not necessary primary key)
}

func (*TableDescription) Fqtn 

func (t *TableDescription) Fqtn() string

func (*TableDescription) ID 

func (t *TableDescription) ID() TableID

func (*TableDescription) PartID 

func (t *TableDescription) PartID() string

func (*TableDescription) Same 

func (t *TableDescription) Same(table string) bool

func (*TableDescription) String 

func (t *TableDescription) String() string

type TableID 

type TableID = changeitem.TableID
var NonExistentTableID TableID = *NewTableID("", "")

func NewTableIDFromStringPg 

func NewTableIDFromStringPg(fqtn string, replaceOmittedSchemaWithPublic bool) (*TableID, error)

NewTableIDFromStringPg parses the given FQTN in PostgreSQL syntax to construct a TableID.

func ParseTableID 

func ParseTableID(object string) (*TableID, error)

func ParseTableIDs 

func ParseTableIDs(objects ...string) ([]TableID, error)

func TableIDsIntersection 

func TableIDsIntersection(a []TableID, b []TableID) []TableID

TableIDsIntersection returns an intersection of two lists of TableIDs

type TableInfo 

type TableInfo struct {
	EtaRow uint64
	IsView bool
	Schema *TableSchema
}

type TableMap 

type TableMap map[TableID]TableInfo

func (*TableMap) ConvertToTableDescriptions 

func (m *TableMap) ConvertToTableDescriptions() []TableDescription

func (*TableMap) Copy 

func (m *TableMap) Copy() TableMap

func (*TableMap) FakePkeyTables 

func (m *TableMap) FakePkeyTables() []TableID

func (*TableMap) NoKeysTables 

func (m *TableMap) NoKeysTables() []TableID

func (*TableMap) String 

func (m *TableMap) String(withSchema bool) string

func (*TableMap) ToDBSchema 

func (m *TableMap) ToDBSchema() DBSchema

type TablePartID 

type TablePartID = changeitem.TablePartID

type TableSchema 

type TableSchema = changeitem.TableSchema

type TableSplitter 

type TableSplitter struct {
	Columns []string
}

type TableUploadError 

type TableUploadError = dterrors.TableUploadError

type Task 

type Task interface {
	Visit(visitor TaskVisitor) interface{}
	// contains filtered or unexported methods
}

type TaskType 

type TaskType struct {
	Task
}

func (*TaskType) DecodeText 

func (t *TaskType) DecodeText(ci *pgtype.ConnInfo, src []byte) error

func (TaskType) Description 

func (t TaskType) Description(taskParams interface{}) string

func (TaskType) EncodeText 

func (t TaskType) EncodeText(ci *pgtype.ConnInfo, buf []byte) (newBuf []byte, err error)

func (*TaskType) GobDecode 

func (t *TaskType) GobDecode(data []byte) error

func (TaskType) GobEncode 

func (t TaskType) GobEncode() ([]byte, error)

func (TaskType) MarshalJSON 

func (t TaskType) MarshalJSON() ([]byte, error)

func (TaskType) NewParams 

func (t TaskType) NewParams() interface{}

func (TaskType) String 

func (t TaskType) String() string

func (*TaskType) UnmarshalJSON 

func (t *TaskType) UnmarshalJSON(data []byte) error

type TaskTypeName 

type TaskTypeName = string

type TaskVisitor 

type TaskVisitor interface {
	RunnableVisitor
	FakeVisitor
}

Visitors {{{

type Termination 

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

Fake tasks {{{

func (Termination) Visit 

func (t Termination) Visit(v TaskVisitor) interface{}

func (Termination) VisitFake 

func (t Termination) VisitFake(v FakeVisitor) interface{}

type TestEndpoint 

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

Runnable tasks {{{

func (TestEndpoint) HasTimedOut 

func (t TestEndpoint) HasTimedOut(createdAt time.Time, pingedAt time.Time) bool

func (TestEndpoint) Visit 

func (t TestEndpoint) Visit(v TaskVisitor) interface{}

func (TestEndpoint) VisitRunnable 

func (t TestEndpoint) VisitRunnable(v RunnableVisitor) interface{}

type TestResult 

type TestResult struct {
	Checks  map[CheckType]CheckResult
	Schema  TableMap
	Preview map[TableID][]ChangeItem
}

TestResult aggregated result of test for endpoint

func NewTestResult 

func NewTestResult(checks ...CheckType) *TestResult

func (*TestResult) Add 

func (t *TestResult) Add(extraChecks ...CheckType)

func (*TestResult) Combine 

func (t *TestResult) Combine(partialResults *TestResult)

Combine combines the two checkResult maps into one

func (*TestResult) Err 

func (t *TestResult) Err() error

func (*TestResult) NotOk 

func (t *TestResult) NotOk(checkType CheckType, err error) *TestResult

func (*TestResult) Ok 

func (t *TestResult) Ok(checkType CheckType) *TestResult

type TimeoutableTask 

type TimeoutableTask interface {
	Task
	HasTimedOut(createdAt time.Time, pingedAt time.Time) bool
}

type TimestampCol 

type TimestampCol struct {
	Col    string
	Format string
}

type Transfer 

type Transfer interface {
	// Start the transfer. Retry endlessly when errors occur, until stopped with Stop().
	// This method does not block, the work is done in the background.
	Start()

	// Stop the transfer. May be called multiple times even without prior Start() to clean
	// up external resources, e.g. terminate YT operations. Synchronous, i.e. blocks
	// until either all resources are released or an error occurrs.
	Stop() error

	Runtime() Runtime

	Error() error
}

type TransferCreate 

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

Fake tasks {{{

func (TransferCreate) Visit 

func (t TransferCreate) Visit(v TaskVisitor) interface{}

func (TransferCreate) VisitFake 

func (t TransferCreate) VisitFake(v FakeVisitor) interface{}

type TransferDelete 

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

Fake tasks {{{

func (TransferDelete) Visit 

func (t TransferDelete) Visit(v TaskVisitor) interface{}

func (TransferDelete) VisitFake 

func (t TransferDelete) VisitFake(v FakeVisitor) interface{}

type TransferType 

type TransferType string

func (*TransferType) Expand 

func (t *TransferType) Expand() []TransferType

type TransferVersionFreeze 

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

Fake tasks {{{

func (TransferVersionFreeze) Visit 

func (t TransferVersionFreeze) Visit(v TaskVisitor) interface{}

func (TransferVersionFreeze) VisitFake 

func (t TransferVersionFreeze) VisitFake(v FakeVisitor) interface{}

type TransferVersionFreezeParams 

type TransferVersionFreezeParams struct {
	CurrentVersion string `json:"current_version"`
}

type TransferVersionUnfreeze 

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

Fake tasks {{{

func (TransferVersionUnfreeze) Visit 

func (t TransferVersionUnfreeze) Visit(v TaskVisitor) interface{}

func (TransferVersionUnfreeze) VisitFake 

func (t TransferVersionUnfreeze) VisitFake(v FakeVisitor) interface{}

type TransferVersionUnfreezeParams 

type TransferVersionUnfreezeParams struct {
	CurrentVersion string `json:"current_version"`
}

type TransferVersionUpdate 

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

Fake tasks {{{

func (TransferVersionUpdate) Visit 

func (t TransferVersionUpdate) Visit(v TaskVisitor) interface{}

func (TransferVersionUpdate) VisitFake 

func (t TransferVersionUpdate) VisitFake(v FakeVisitor) interface{}

type TransferVersionUpdateParams 

type TransferVersionUpdateParams struct {
	PreviousVersion string `json:"previous_version"`
	CurrentVersion  string `json:"current_version"`
}

type Transformation 

type Transformation interface {
	MakeSinkMiddleware() SinkOption
	AddTransformer(transformer Transformer) error
	RuntimeOpts() TransformationRuntimeOpts
}

type TransformationRuntimeOpts 

type TransformationRuntimeOpts struct {
	JobIndex int
}

type Transformer 

type Transformer interface {
	Apply(input []ChangeItem) TransformerResult
	Suitable(table TableID, schema *TableSchema) bool
	ResultSchema(original *TableSchema) (*TableSchema, error)
	Description() string
	Type() TransformerType
}

type TransformerError 

type TransformerError struct {
	Input ChangeItem
	Error error
}

type TransformerResult 

type TransformerResult struct {
	Transformed []ChangeItem
	Errors      []TransformerError
}

type TransformerType 

type TransformerType string

type TxBound 

type TxBound = changeitem.TxBound

type TypedChangeItem 

type TypedChangeItem ChangeItem

func (*TypedChangeItem) MarshalJSON 

func (t *TypedChangeItem) MarshalJSON() ([]byte, error)

func (*TypedChangeItem) UnmarshalJSON 

func (t *TypedChangeItem) UnmarshalJSON(data []byte) error

type TypedValue 

type TypedValue struct {
	Type  string `json:"type"`
	Value any    `json:"value"`
}

type UpdateTransfer 

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

Runnable tasks {{{

func (UpdateTransfer) Visit 

func (t UpdateTransfer) Visit(v TaskVisitor) interface{}

func (UpdateTransfer) VisitRunnable 

func (t UpdateTransfer) VisitRunnable(v RunnableVisitor) interface{}

type UpdateTransferParams 

type UpdateTransferParams struct {
	OldObjects []string `json:"old_objects"`
	NewObjects []string `json:"new_objects"`
}

func (UpdateTransferParams) AddedTables 

func (p UpdateTransferParams) AddedTables() ([]TableDescription, error)

type Upload 

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

Runnable tasks {{{

func (Upload) Visit 

func (t Upload) Visit(v TaskVisitor) interface{}

func (Upload) VisitRunnable 

func (t Upload) VisitRunnable(v RunnableVisitor) interface{}

type Verify 

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

Runnable tasks {{{

func (Verify) HasTimedOut 

func (t Verify) HasTimedOut(createdAt time.Time, pingedAt time.Time) bool

func (Verify) Visit 

func (t Verify) Visit(v TaskVisitor) interface{}

func (Verify) VisitRunnable 

func (t Verify) VisitRunnable(v RunnableVisitor) interface{}

type WhereStatement 

type WhereStatement string
const NoFilter WhereStatement = WhereStatement("")

func FiltersIntersection 

func FiltersIntersection(a WhereStatement, b WhereStatement) WhereStatement

func NotStatement 

func NotStatement(a WhereStatement) WhereStatement

type YtCluster 

type YtCluster string

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