@Override
    public void read(org.apache.thrift.protocol.TProtocol prot, TDownloadDataReq struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol iprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      struct.sessionHandle = new TSessionHandle();
      struct.sessionHandle.read(iprot);
      struct.setSessionHandleIsSet(true);
      java.util.BitSet incoming = iprot.readBitSet(4);
      if (incoming.get(0)) {
        struct.tableName = iprot.readString();
        struct.setTableNameIsSet(true);
      }
      if (incoming.get(1)) {
        struct.query = iprot.readString();
        struct.setQueryIsSet(true);
      }
      if (incoming.get(2)) {
        struct.format = iprot.readString();
        struct.setFormatIsSet(true);
      }
      if (incoming.get(3)) {
        {
          org.apache.thrift.protocol.TMap _map188 = iprot.readMapBegin(org.apache.thrift.protocol.TType.STRING, org.apache.thrift.protocol.TType.STRING); 
          struct.downloadOptions = new java.util.HashMap<java.lang.String,java.lang.String>(2*_map188.size);
          @org.apache.thrift.annotation.Nullable java.lang.String _key189;
          @org.apache.thrift.annotation.Nullable java.lang.String _val190;
          for (int _i191 = 0; _i191 < _map188.size; ++_i191)
          {
            _key189 = iprot.readString();
            _val190 = iprot.readString();
            struct.downloadOptions.put(_key189, _val190);
          }
        }
        struct.setDownloadOptionsIsSet(true);
      }
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TDownloadDataReq.java