public void addToTableTypes(java.lang.String elem) {
    if (this.tableTypes == null) {
      this.tableTypes = new java.util.ArrayList<java.lang.String>();
    }
    this.tableTypes.add(elem);
  }
Returns true if field tableName is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetTablesReq.java