func (conn *vtgateConn) ExecuteEntityIds(ctx context.Context, query string, keyspace string, entityColumnName string, entityKeyspaceIDs []*pb.ExecuteEntityIdsRequest_EntityId, bindVars map[string]interface{}, tabletType topodatapb.TabletType, notInTransaction bool, session interface{}) (*sqltypes.Result, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
q, err := tproto.BoundQueryToProto3(query, bindVars)
if err != nil {
return nil, session, err
}
request := &pb.ExecuteEntityIdsRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Query: q,
Keyspace: keyspace,
EntityColumnName: entityColumnName,
EntityKeyspaceIds: entityKeyspaceIDs,
TabletType: tabletType,
NotInTransaction: notInTransaction,
}
response, err := conn.c.ExecuteEntityIds(ctx, request)
if err != nil {
return nil, session, vterrors.FromGRPCError(err)
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return sqltypes.Proto3ToResult(response.Result), response.Session, nil
}
func (conn *vtgateConn) ExecuteShards(ctx context.Context, query string, keyspace string, shards []string, bindVars map[string]interface{}, tabletType pbt.TabletType, notInTransaction bool, session interface{}) (*mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
q, err := tproto.BoundQueryToProto3(query, bindVars)
if err != nil {
return nil, session, err
}
request := &pb.ExecuteShardsRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Query: q,
Keyspace: keyspace,
Shards: shards,
TabletType: tabletType,
NotInTransaction: notInTransaction,
}
response, err := conn.c.ExecuteShards(ctx, request)
if err != nil {
return nil, session, vterrors.FromGRPCError(err)
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return mproto.Proto3ToQueryResult(response.Result), response.Session, nil
}
func sendStreamResults(c *rpcplus.Call, sr chan streamResult) (<-chan *mproto.QueryResult, vtgateconn.ErrFunc, error) {
srout := make(chan *mproto.QueryResult, 1)
var err error
go func() {
defer close(srout)
for r := range sr {
// nil != nil
vtErr := vterrors.FromVtRPCError(r.err)
if vtErr != nil {
err = vtErr
continue
}
// If we get a QueryResult with an RPCError, that was an extra QueryResult sent by
// the server specifically to indicate an error, and we shouldn't surface it to clients.
srout <- mproto.Proto3ToQueryResult(r.qr)
}
}()
// errFunc will return either an RPC-layer error or an application error, if one exists.
// It will only return the most recent application error (i.e, from the QueryResult that
// most recently contained an error). It will prioritize an RPC-layer error over an apperror,
// if both exist.
errFunc := func() error {
if c.Error != nil {
return c.Error
}
return err
}
return srout, errFunc, nil
}
func (conn *vtgateConn) StreamExecute(ctx context.Context, query string, bindVars map[string]interface{}, tabletType pbt.TabletType) (<-chan *mproto.QueryResult, vtgateconn.ErrFunc, error) {
req := &pb.StreamExecuteRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Query: tproto.BoundQueryToProto3(query, bindVars),
TabletType: tabletType,
}
stream, err := conn.c.StreamExecute(ctx, req)
if err != nil {
return nil, nil, vterrors.FromGRPCError(err)
}
sr := make(chan *mproto.QueryResult, 10)
// TODO(aaijazi): I'm pretty sure ther error handling going on down here is overkill now...
var finalError error
go func() {
for {
ser, err := stream.Recv()
if err != nil {
if err != io.EOF {
finalError = err
}
close(sr)
return
}
if ser.Error != nil {
finalError = vterrors.FromVtRPCError(ser.Error)
close(sr)
return
}
sr <- mproto.Proto3ToQueryResult(ser.Result)
}
}()
return sr, func() error {
return finalError
}, nil
}
func (conn *vtgateConn) StreamExecuteKeyspaceIds(ctx context.Context, query string, keyspace string, keyspaceIds []key.KeyspaceId, bindVars map[string]interface{}, tabletType topo.TabletType) (<-chan *mproto.QueryResult, vtgateconn.ErrFunc, error) {
req := &pb.StreamExecuteKeyspaceIdsRequest{
Query: tproto.BoundQueryToProto3(query, bindVars),
Keyspace: keyspace,
KeyspaceIds: key.KeyspaceIdsToProto(keyspaceIds),
TabletType: topo.TabletTypeToProto(tabletType),
}
stream, err := conn.c.StreamExecuteKeyspaceIds(ctx, req)
if err != nil {
return nil, nil, err
}
sr := make(chan *mproto.QueryResult, 10)
var finalError error
go func() {
for {
ser, err := stream.Recv()
if err != nil {
if err != io.EOF {
finalError = err
}
close(sr)
return
}
if ser.Error != nil {
finalError = vterrors.FromVtRPCError(ser.Error)
close(sr)
return
}
sr <- mproto.Proto3ToQueryResult(ser.Result)
}
}()
return sr, func() error {
return finalError
}, nil
}
func (conn *vtgateConn) Execute(ctx context.Context, query string, bindVars map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session interface{}) (*sqltypes.Result, interface{}, error) {
var s *vtgatepb.Session
if session != nil {
s = session.(*vtgatepb.Session)
}
q, err := querytypes.BoundQueryToProto3(query, bindVars)
if err != nil {
return nil, session, err
}
request := &vtgatepb.ExecuteRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Query: q,
Keyspace: keyspace,
TabletType: tabletType,
}
response, err := conn.c.Execute(ctx, request)
if err != nil {
return nil, session, vterrors.FromGRPCError(err)
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return sqltypes.Proto3ToResult(response.Result), response.Session, nil
}
func (conn *vtgateConn) ExecuteBatchKeyspaceIds(ctx context.Context, queries []proto.BoundKeyspaceIdQuery, tabletType pbt.TabletType, asTransaction bool, session interface{}) ([]mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
qs, err := proto.BoundKeyspaceIdQueriesToProto(queries)
if err != nil {
return nil, session, err
}
request := &pb.ExecuteBatchKeyspaceIdsRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Queries: qs,
TabletType: tabletType,
AsTransaction: asTransaction,
}
response, err := conn.c.ExecuteBatchKeyspaceIds(ctx, request)
if err != nil {
return nil, session, vterrors.FromGRPCError(err)
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return mproto.Proto3ToQueryResults(response.Results), response.Session, nil
}
func (conn *vtgateConn) Begin(ctx context.Context) (interface{}, error) {
request := &pb.BeginRequest{}
response, err := conn.c.Begin(ctx, request)
if err != nil {
return nil, err
}
if response.Error != nil {
return nil, vterrors.FromVtRPCError(response.Error)
}
return response.Session, nil
}
func (conn *vtgateConn) Rollback(ctx context.Context, session interface{}) error {
request := &pb.RollbackRequest{
Session: session.(*pb.Session),
}
response, err := conn.c.Rollback(ctx, request)
if err != nil {
return err
}
if response.Error != nil {
return vterrors.FromVtRPCError(response.Error)
}
return nil
}
// tabletErrorFromRPCError reconstructs a tablet error from the
// RPCError, using the RPCError code.
func tabletErrorFromRPCError(rpcErr *pbv.RPCError) error {
ve := vterrors.FromVtRPCError(rpcErr)
// see if the range is in the tablet error range
if ve.Code >= int64(pbv.ErrorCode_TabletError) && ve.Code <= int64(pbv.ErrorCode_UnknownTabletError) {
return &tabletconn.ServerError{
Code: int(ve.Code - int64(pbv.ErrorCode_TabletError)),
Err: fmt.Sprintf("vttablet: %v", ve.Error()),
}
}
return tabletconn.OperationalError(fmt.Sprintf("vttablet: %v", ve.Message))
}
func (conn *vtgateConn) Commit(ctx context.Context, session interface{}) error {
request := &pb.CommitRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: session.(*pb.Session),
}
response, err := conn.c.Commit(ctx, request)
if err != nil {
return err
}
if response.Error != nil {
return vterrors.FromVtRPCError(response.Error)
}
return nil
}
func (conn *vtgateConn) Rollback2(ctx context.Context, session interface{}) error {
s := session.(*pb.Session)
request := &pb.RollbackRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
}
response := &pb.RollbackResponse{}
if err := conn.rpcConn.Call(ctx, "VTGateP3.Rollback2", request, response); err != nil {
return err
}
if vtErr := vterrors.FromVtRPCError(response.Error); vtErr != nil {
return vtErr
}
return nil
}
func (conn *vtgateConn) Begin2(ctx context.Context) (interface{}, error) {
request := &pb.BeginRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
}
response := &pb.BeginResponse{}
if err := conn.rpcConn.Call(ctx, "VTGateP3.Begin2", request, response); err != nil {
return nil, err
}
if err := vterrors.FromVtRPCError(response.Error); err != nil {
return nil, err
}
// Return a non-nil pointer
session := &pb.Session{}
if response.Session != nil {
session = response.Session
}
return session, nil
}
func (conn *vtgateConn) Execute(ctx context.Context, query string, bindVars map[string]interface{}, tabletType topo.TabletType, notInTransaction bool, session interface{}) (*mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
request := &pb.ExecuteRequest{
Session: s,
Query: tproto.BoundQueryToProto3(query, bindVars),
TabletType: topo.TabletTypeToProto(tabletType),
NotInTransaction: notInTransaction,
}
response, err := conn.c.Execute(ctx, request)
if err != nil {
return nil, session, err
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return mproto.Proto3ToQueryResult(response.Result), response.Session, nil
}
func (conn *vtgateConn) ExecuteBatchKeyspaceIds(ctx context.Context, queries []proto.BoundKeyspaceIdQuery, tabletType topo.TabletType, asTransaction bool, session interface{}) ([]mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
request := &pb.ExecuteBatchKeyspaceIdsRequest{
Session: s,
Queries: proto.BoundKeyspaceIdQueriesToProto(queries),
TabletType: topo.TabletTypeToProto(tabletType),
AsTransaction: asTransaction,
}
response, err := conn.c.ExecuteBatchKeyspaceIds(ctx, request)
if err != nil {
return nil, session, err
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return mproto.Proto3ToQueryResults(response.Results), response.Session, nil
}
func (conn *vtgateConn) Execute(ctx context.Context, query string, bindVars map[string]interface{}, tabletType topopb.TabletType, notInTransaction bool, session interface{}) (*mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
request := &pb.ExecuteRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Query: tproto.BoundQueryToProto3(query, bindVars),
TabletType: tabletType,
Session: s,
NotInTransaction: notInTransaction,
}
response := &pb.ExecuteResponse{}
if err := conn.rpcConn.Call(ctx, "VTGateP3.Execute", request, response); err != nil {
return nil, response.Session, err
}
if err := vterrors.FromVtRPCError(response.Error); err != nil {
return nil, response.Session, err
}
return mproto.Proto3ToQueryResult(response.Result), response.Session, nil
}
func (conn *vtgateConn) ExecuteBatchKeyspaceIds(ctx context.Context, queries []proto.BoundKeyspaceIdQuery, tabletType topopb.TabletType, asTransaction bool, session interface{}) ([]mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
request := &pb.ExecuteBatchKeyspaceIdsRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Queries: proto.BoundKeyspaceIdQueriesToProto(queries),
TabletType: tabletType,
AsTransaction: asTransaction,
Session: s,
}
response := &pb.ExecuteBatchKeyspaceIdsResponse{}
if err := conn.rpcConn.Call(ctx, "VTGateP3.ExecuteBatchKeyspaceIds", request, response); err != nil {
return nil, session, err
}
if err := vterrors.FromVtRPCError(response.Error); err != nil {
return nil, response.Session, err
}
return mproto.Proto3ToQueryResults(response.Results), response.Session, nil
}
func (conn *vtgateConn) ExecuteBatchShards(ctx context.Context, queries []*vtgatepb.BoundShardQuery, tabletType topodatapb.TabletType, asTransaction bool, session interface{}) ([]sqltypes.Result, interface{}, error) {
var s *vtgatepb.Session
if session != nil {
s = session.(*vtgatepb.Session)
}
request := &vtgatepb.ExecuteBatchShardsRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Queries: queries,
TabletType: tabletType,
AsTransaction: asTransaction,
}
response, err := conn.c.ExecuteBatchShards(ctx, request)
if err != nil {
return nil, session, vterrors.FromGRPCError(err)
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return sqltypes.Proto3ToResults(response.Results), response.Session, nil
}
func (conn *vtgateConn) ExecuteKeyRanges(ctx context.Context, query string, keyspace string, keyRanges []key.KeyRange, bindVars map[string]interface{}, tabletType topo.TabletType, notInTransaction bool, session interface{}) (*mproto.QueryResult, interface{}, error) {
var s *pb.Session
if session != nil {
s = session.(*pb.Session)
}
request := &pb.ExecuteKeyRangesRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Session: s,
Query: tproto.BoundQueryToProto3(query, bindVars),
Keyspace: keyspace,
KeyRanges: key.KeyRangesToProto(keyRanges),
TabletType: topo.TabletTypeToProto(tabletType),
NotInTransaction: notInTransaction,
}
response, err := conn.c.ExecuteKeyRanges(ctx, request)
if err != nil {
return nil, session, err
}
if response.Error != nil {
return nil, response.Session, vterrors.FromVtRPCError(response.Error)
}
return mproto.Proto3ToQueryResult(response.Result), response.Session, nil
}
func (conn *vtgateConn) StreamExecuteKeyRanges(ctx context.Context, query string, keyspace string, keyRanges []*pbt.KeyRange, bindVars map[string]interface{}, tabletType pbt.TabletType) (<-chan *mproto.QueryResult, vtgateconn.ErrFunc, error) {
req := &pb.StreamExecuteKeyRangesRequest{
CallerId: callerid.EffectiveCallerIDFromContext(ctx),
Query: tproto.BoundQueryToProto3(query, bindVars),
Keyspace: keyspace,
KeyRanges: keyRanges,
TabletType: tabletType,
}
stream, err := conn.c.StreamExecuteKeyRanges(ctx, req)
if err != nil {
return nil, nil, vterrors.FromGRPCError(err)
}
sr := make(chan *mproto.QueryResult, 10)
var finalError error
go func() {
for {
ser, err := stream.Recv()
if err != nil {
if err != io.EOF {
finalError = err
}
close(sr)
return
}
if ser.Error != nil {
finalError = vterrors.FromVtRPCError(ser.Error)
close(sr)
return
}
sr <- mproto.Proto3ToQueryResult(ser.Result)
}
}()
return sr, func() error {
return finalError
}, nil
}