// BeginExecute starts a transaction and runs an Execute.
func (conn *gRPCQueryClient) BeginExecute(ctx context.Context, target *querypb.Target, query string, bindVars map[string]interface{}, options *querypb.ExecuteOptions) (result *sqltypes.Result, transactionID int64, err error) {
conn.mu.RLock()
defer conn.mu.RUnlock()
if conn.cc == nil {
return nil, 0, tabletconn.ConnClosed
}
q, err := querytypes.BoundQueryToProto3(query, bindVars)
if err != nil {
return nil, 0, err
}
if *combo {
// If combo is enabled, we combine both calls
req := &querypb.BeginExecuteRequest{
Target: target,
EffectiveCallerId: callerid.EffectiveCallerIDFromContext(ctx),
ImmediateCallerId: callerid.ImmediateCallerIDFromContext(ctx),
Query: q,
Options: options,
}
reply, err := conn.c.BeginExecute(ctx, req)
if err != nil {
return nil, 0, tabletconn.TabletErrorFromGRPC(err)
}
if reply.Error != nil {
return nil, reply.TransactionId, tabletconn.TabletErrorFromRPCError(reply.Error)
}
return sqltypes.Proto3ToResult(reply.Result), reply.TransactionId, nil
}
// Begin part.
breq := &querypb.BeginRequest{
Target: target,
EffectiveCallerId: callerid.EffectiveCallerIDFromContext(ctx),
ImmediateCallerId: callerid.ImmediateCallerIDFromContext(ctx),
}
br, err := conn.c.Begin(ctx, breq)
if err != nil {
return nil, 0, tabletconn.TabletErrorFromGRPC(err)
}
transactionID = br.TransactionId
// Execute part.
ereq := &querypb.ExecuteRequest{
Target: target,
EffectiveCallerId: breq.EffectiveCallerId,
ImmediateCallerId: breq.ImmediateCallerId,
Query: q,
TransactionId: transactionID,
Options: options,
}
er, err := conn.c.Execute(ctx, ereq)
if err != nil {
return nil, transactionID, tabletconn.TabletErrorFromGRPC(err)
}
return sqltypes.Proto3ToResult(er.Result), transactionID, nil
}
// BeginExecuteBatch starts a transaction and runs an ExecuteBatch.
func (conn *gRPCQueryClient) BeginExecuteBatch(ctx context.Context, target *querypb.Target, queries []querytypes.BoundQuery, asTransaction bool, options *querypb.ExecuteOptions) (results []sqltypes.Result, transactionID int64, err error) {
conn.mu.RLock()
defer conn.mu.RUnlock()
if conn.cc == nil {
return nil, 0, tabletconn.ConnClosed
}
if *combo {
// If combo is enabled, we combine both calls
req := &querypb.BeginExecuteBatchRequest{
Target: target,
EffectiveCallerId: callerid.EffectiveCallerIDFromContext(ctx),
ImmediateCallerId: callerid.ImmediateCallerIDFromContext(ctx),
Queries: make([]*querypb.BoundQuery, len(queries)),
AsTransaction: asTransaction,
Options: options,
}
for i, q := range queries {
qq, err := querytypes.BoundQueryToProto3(q.Sql, q.BindVariables)
if err != nil {
return nil, transactionID, err
}
req.Queries[i] = qq
}
reply, err := conn.c.BeginExecuteBatch(ctx, req)
if err != nil {
return nil, 0, tabletconn.TabletErrorFromGRPC(err)
}
if reply.Error != nil {
return nil, reply.TransactionId, tabletconn.TabletErrorFromRPCError(reply.Error)
}
return sqltypes.Proto3ToResults(reply.Results), reply.TransactionId, nil
}
breq := &querypb.BeginRequest{
Target: target,
EffectiveCallerId: callerid.EffectiveCallerIDFromContext(ctx),
ImmediateCallerId: callerid.ImmediateCallerIDFromContext(ctx),
}
br, err := conn.c.Begin(ctx, breq)
if err != nil {
return nil, 0, tabletconn.TabletErrorFromGRPC(err)
}
transactionID = br.TransactionId
ereq := &querypb.ExecuteBatchRequest{
Target: target,
EffectiveCallerId: breq.EffectiveCallerId,
ImmediateCallerId: breq.ImmediateCallerId,
Queries: make([]*querypb.BoundQuery, len(queries)),
AsTransaction: asTransaction,
TransactionId: transactionID,
Options: options,
}
for i, q := range queries {
qq, err := querytypes.BoundQueryToProto3(q.Sql, q.BindVariables)
if err != nil {
return nil, transactionID, err
}
ereq.Queries[i] = qq
}
ebr, err := conn.c.ExecuteBatch(ctx, ereq)
if err != nil {
return nil, transactionID, tabletconn.TabletErrorFromGRPC(err)
}
return sqltypes.Proto3ToResults(ebr.Results), transactionID, nil
}