// ExecuteEntityIds excutes a non-streaming query based on given KeyspaceId map.
func (vtg *VTGate) ExecuteEntityIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, entityColumnName string, entityKeyspaceIDs []*pbg.ExecuteEntityIdsRequest_EntityId, tabletType pb.TabletType, session *proto.Session, notInTransaction bool, reply *proto.QueryResult) error {
startTime := time.Now()
statsKey := []string{"ExecuteEntityIds", keyspace, strings.ToLower(tabletType.String())}
defer vtg.timings.Record(statsKey, startTime)
x := vtg.inFlight.Add(1)
defer vtg.inFlight.Add(-1)
if 0 < vtg.maxInFlight && vtg.maxInFlight < x {
return errTooManyInFlight
}
qr, err := vtg.resolver.ExecuteEntityIds(ctx, sql, bindVariables, keyspace, entityColumnName, entityKeyspaceIDs, tabletType, session, notInTransaction)
if err == nil {
reply.Result = qr
vtg.rowsReturned.Add(statsKey, int64(len(qr.Rows)))
} else {
query := map[string]interface{}{
"Sql": sql,
"BindVariables": bindVariables,
"Keyspace": keyspace,
"EntityColumnName": entityColumnName,
"EntityKeyspaceIDs": entityKeyspaceIDs,
"TabletType": strings.ToLower(tabletType.String()),
"Session": session,
"NotInTransaction": notInTransaction,
}
reply.Error = handleExecuteError(err, statsKey, query, vtg.logExecuteEntityIds).Error()
reply.Err = rpcErrFromVtGateError(err)
}
reply.Session = session
return nil
}
// ExecuteKeyRanges executes a non-streaming query based on the specified keyranges.
func (vtg *VTGate) ExecuteKeyRanges(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyRanges []*pb.KeyRange, tabletType pb.TabletType, session *proto.Session, notInTransaction bool, reply *proto.QueryResult) error {
startTime := time.Now()
statsKey := []string{"ExecuteKeyRanges", keyspace, strings.ToLower(tabletType.String())}
defer vtg.timings.Record(statsKey, startTime)
x := vtg.inFlight.Add(1)
defer vtg.inFlight.Add(-1)
if 0 < vtg.maxInFlight && vtg.maxInFlight < x {
return errTooManyInFlight
}
sql = sqlannotation.AddFilteredReplicationUnfriendlyIfDML(sql)
qr, err := vtg.resolver.ExecuteKeyRanges(ctx, sql, bindVariables, keyspace, keyRanges, tabletType, session, notInTransaction)
if err == nil {
reply.Result = qr
vtg.rowsReturned.Add(statsKey, int64(len(qr.Rows)))
} else {
query := map[string]interface{}{
"Sql": sql,
"BindVariables": bindVariables,
"Keyspace": keyspace,
"KeyRanges": keyRanges,
"TabletType": strings.ToLower(tabletType.String()),
"Session": session,
"NotInTransaction": notInTransaction,
}
reply.Error = handleExecuteError(err, statsKey, query, vtg.logExecuteKeyRanges).Error()
reply.Err = vterrors.RPCErrFromVtError(err)
}
reply.Session = session
return nil
}
// Execute executes a non-streaming query by routing based on the values in the query.
func (vtg *VTGate) Execute(ctx context.Context, sql string, bindVariables map[string]interface{}, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, reply *proto.QueryResult) error {
startTime := time.Now()
statsKey := []string{"Execute", "Any", strings.ToLower(tabletType.String())}
defer vtg.timings.Record(statsKey, startTime)
x := vtg.inFlight.Add(1)
defer vtg.inFlight.Add(-1)
if 0 < vtg.maxInFlight && vtg.maxInFlight < x {
return errTooManyInFlight
}
qr, err := vtg.router.Execute(ctx, sql, bindVariables, tabletType, session, notInTransaction)
if err == nil {
reply.Result = qr
vtg.rowsReturned.Add(statsKey, int64(len(qr.Rows)))
} else {
query := map[string]interface{}{
"Sql": sql,
"BindVariables": bindVariables,
"TabletType": strings.ToLower(tabletType.String()),
"Session": session,
"NotInTransaction": notInTransaction,
}
handleExecuteError(err, statsKey, query, vtg.logExecute)
reply.Err = vterrors.RPCErrFromVtError(err)
}
reply.Session = session
return nil
}
func (c *errorClient) Execute(ctx context.Context, sql string, bindVariables map[string]interface{}, tabletType pb.TabletType, session *proto.Session, notInTransaction bool, reply *proto.QueryResult) error {
if rpcErr := requestToPartialError(sql); rpcErr != nil {
reply.Err = rpcErr
reply.Error = rpcErr.Message
return nil
}
if err := requestToError(sql); err != nil {
return err
}
return c.fallbackClient.Execute(ctx, sql, bindVariables, tabletType, session, notInTransaction, reply)
}
// requestToPartialError fills reply for a partial error if requested.
// It returns true if a partial error was requested, false otherwise.
// This partial error should only be returned by Execute* calls.
func requestToPartialError(request string, session *vtgatepb.Session, reply *proto.QueryResult) bool {
if !strings.HasPrefix(request, PartialErrorPrefix) {
return false
}
request = strings.TrimPrefix(request, PartialErrorPrefix)
parts := strings.Split(request, "/")
rpcErr := vterrors.RPCErrFromVtError(trimmedRequestToError(parts[0]))
reply.Err = rpcErr
reply.Session = session
if len(parts) > 1 && parts[1] == "close transaction" {
reply.Session.InTransaction = false
}
return true
}
// AddVtGateErrorToQueryResult will mutate a QueryResult struct to fill in the Err
// field with details from the VTGate error.
func AddVtGateErrorToQueryResult(err error, reply *proto.QueryResult) {
if err == nil {
return
}
reply.Err = rpcErrFromVtGateError(err)
}