public com.google.protobuf.ProtocolStringList
          getPartKeyList() {
        partKey_.makeImmutable();
        return partKey_;
      }
<code>repeated string part_key = 2;</code>
@return A list containing the partKey.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java