public com.google.protobuf.ByteString
          getTableNameBytes() {
        java.lang.Object ref = tableName_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          tableName_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<code>optional string table_name = 1;</code>
@return The bytes for tableName.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java