Пример #1
0
// StreamExecuteKeyRanges2 is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecuteKeyRanges2(ctx context.Context, request *proto.KeyRangeQuery, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.StreamExecuteKeyRanges(ctx,
		request.Sql,
		request.BindVariables,
		request.Keyspace,
		key.KeyRangesToProto(request.KeyRanges),
		topo.TabletTypeToProto(request.TabletType),
		func(value *proto.QueryResult) error {
			return sendReply(value)
		})
	if vtgErr == nil {
		return nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		// If there was an app error, send a QueryResult back with it.
		qr := new(proto.QueryResult)
		vtgate.AddVtGateError(vtgErr, &qr.Err)
		// Sending back errors this way is not backwards compatible. If a (new) server sends an additional
		// QueryResult with an error, and the (old) client doesn't know how to read it, it will cause
		// problems where the client will get out of sync with the number of QueryResults sent.
		// That's why this the error is only sent this way when the --rpc_errors_only_in_reply flag is set
		// (signalling that all clients are able to handle new-style errors).
		return sendReply(qr)
	}
	return vtgErr
}
Пример #2
0
// Rollback2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Rollback2(ctx context.Context, request *proto.RollbackRequest, reply *proto.RollbackResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.Rollback(ctx, request.Session)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #3
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// Begin2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Begin2(ctx context.Context, request *proto.BeginRequest, reply *proto.BeginResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	// Don't pass in a nil pointer
	reply.Session = &pbg.Session{}
	vtgErr := vtg.server.Begin(ctx, reply.Session)
	reply.Session = sessionToRPC(reply.Session)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #4
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// ExecuteBatchKeyspaceIds is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteBatchKeyspaceIds(ctx context.Context, request *proto.KeyspaceIdBatchQuery, reply *proto.QueryResultList) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.ExecuteBatchKeyspaceIds(ctx,
		request.Queries,
		topo.TabletTypeToProto(request.TabletType),
		request.AsTransaction,
		request.Session,
		reply)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #5
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// SplitQuery is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) SplitQuery(ctx context.Context, request *proto.SplitQueryRequest, reply *proto.SplitQueryResult) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	splits, vtgErr := vtg.server.SplitQuery(ctx,
		request.Keyspace,
		request.Query.Sql,
		request.Query.BindVariables,
		request.SplitColumn,
		request.SplitCount)
	reply.Splits = splits
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #6
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// Execute is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Execute(ctx context.Context, request *proto.Query, reply *proto.QueryResult) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	sessionFromRPC(request.Session)
	vtgErr := vtg.server.Execute(ctx,
		request.Sql,
		request.BindVariables,
		request.TabletType,
		request.Session,
		request.NotInTransaction,
		reply)
	reply.Session = sessionToRPC(reply.Session)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #7
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// StreamExecute2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecute2(ctx context.Context, request *proto.Query, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.StreamExecute(ctx,
		request.Sql,
		request.BindVariables,
		request.TabletType,
		func(value *proto.QueryResult) error {
			return sendReply(value)
		})
	if vtgErr == nil {
		return nil
	}
	// If there was an app error, send a QueryResult back with it.
	qr := new(proto.QueryResult)
	vtgate.AddVtGateError(vtgErr, &qr.Err)
	return sendReply(qr)
}
Пример #8
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// ExecuteEntityIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteEntityIds(ctx context.Context, request *proto.EntityIdsQuery, reply *proto.QueryResult) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.ExecuteEntityIds(ctx,
		request.Sql,
		request.BindVariables,
		request.Keyspace,
		request.EntityColumnName,
		proto.EntityIdsToProto(request.EntityKeyspaceIDs),
		topo.TabletTypeToProto(request.TabletType),
		request.Session,
		request.NotInTransaction,
		reply)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}
Пример #9
0
// ExecuteBatchShard is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteBatchShard(ctx context.Context, request *proto.BatchQueryShard, reply *proto.QueryResultList) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	sessionFromRPC(request.Session)
	qs, err := proto.BoundShardQueriesToProto(request.Queries)
	if err != nil {
		return err
	}
	vtgErr := vtg.server.ExecuteBatchShards(ctx,
		qs,
		request.TabletType,
		request.AsTransaction,
		request.Session,
		reply)
	reply.Session = sessionToRPC(reply.Session)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}