vtgateservice

package
Version: v2.1.1+incompatible Latest Latest
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Published: May 22, 2017 License: BSD-3-Clause Imports: 5 Imported by: 0

Documentation

Overview

Package vtgateservice provides to interface definition for the vtgate service

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type VTGateService

type VTGateService interface {
	Execute(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*vtgatepb.Session, *sqltypes.Result, error)
	ExecuteShards(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, shards []string, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error)
	ExecuteKeyspaceIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyspaceIds [][]byte, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error)
	ExecuteKeyRanges(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyRanges []*topodatapb.KeyRange, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error)
	ExecuteEntityIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, entityColumnName string, entityKeyspaceIDs []*vtgatepb.ExecuteEntityIdsRequest_EntityId, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error)
	ExecuteBatch(ctx context.Context, sqlList []string, bindVariablesList []map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session *vtgatepb.Session, options *querypb.ExecuteOptions) (*vtgatepb.Session, []sqltypes.QueryResponse, error)
	ExecuteBatchShards(ctx context.Context, queries []*vtgatepb.BoundShardQuery, tabletType topodatapb.TabletType, asTransaction bool, session *vtgatepb.Session, options *querypb.ExecuteOptions) ([]sqltypes.Result, error)
	ExecuteBatchKeyspaceIds(ctx context.Context, queries []*vtgatepb.BoundKeyspaceIdQuery, tabletType topodatapb.TabletType, asTransaction bool, session *vtgatepb.Session, options *querypb.ExecuteOptions) ([]sqltypes.Result, error)

	StreamExecute(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error
	StreamExecuteShards(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, shards []string, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error
	StreamExecuteKeyspaceIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyspaceIds [][]byte, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error
	StreamExecuteKeyRanges(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyRanges []*topodatapb.KeyRange, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error

	Begin(ctx context.Context, singledb bool) (*vtgatepb.Session, error)
	Commit(ctx context.Context, twopc bool, session *vtgatepb.Session) error
	Rollback(ctx context.Context, session *vtgatepb.Session) error
	ResolveTransaction(ctx context.Context, dtid string) error

	// Messaging.
	MessageStream(ctx context.Context, keyspace string, shard string, keyRange *topodatapb.KeyRange, name string, callback func(*sqltypes.Result) error) error
	MessageAck(ctx context.Context, keyspace string, name string, ids []*querypb.Value) (int64, error)

	SplitQuery(
		ctx context.Context,
		keyspace string,
		sql string,
		bindVariables map[string]interface{},
		splitColumns []string,
		splitCount int64,
		numRowsPerQueryPart int64,
		algorithm querypb.SplitQueryRequest_Algorithm) ([]*vtgatepb.SplitQueryResponse_Part, error)

	GetSrvKeyspace(ctx context.Context, keyspace string) (*topodatapb.SrvKeyspace, error)

	UpdateStream(ctx context.Context, keyspace string, shard string, keyRange *topodatapb.KeyRange, tabletType topodatapb.TabletType, timestamp int64, event *querypb.EventToken, callback func(*querypb.StreamEvent, int64) error) error

	// HandlePanic should be called with defer at the beginning of each
	// RPC implementation method, before calling any of the previous methods
	HandlePanic(err *error)
}

VTGateService is the interface implemented by the VTGate service, that RPC server implementations will call.

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