syntax = "proto3";

package engula.v1;

import "engula/v1/expr.proto";

message TxnRequest { repeated DatabaseTxnRequest requests = 1; }

message TxnResponse { repeated DatabaseTxnResponse responses = 1; }

message DatabaseTxnRequest {
  string name = 1;
  repeated CollectionTxnRequest requests = 2;
}

message DatabaseTxnResponse { repeated CollectionTxnResponse responses = 1; }

message CollectionTxnRequest {
  string name = 1;
  repeated Expr exprs = 2;
}

message CollectionTxnResponse { repeated ExprResult results = 1; }