私もなりますよ
RLoginとか使ってSELECTを出力すると検索結果の上下に+--で挟まれた結果になりますが、これと同じですか?
検索結果は画面表示の途中にあるかもしれないので確認してみて下さい
+-----------------+------------+--------------------------------------------------+--------------------+--------------+--------------------------------------------------------------------------------------------------+--------------+-----------------------+--------------------------------------------------------------------------+-----------+--------------+------------+-----------------+--------------+-----------------------+--------------+--------------+-----------------+--------------+-----------------------------+--------------------------------------+--------------------------------------+--------------+-----------------------+--------------------+--------------------+--------------+-----------------------+-----------------+-----------------------------+--------------+--------------+-----------------+--------------+-----------------+-----------------+--------------+-----------------+---------------+------------+------------+------------------+----------+-------+-----------------+-----------------+-----------------+----------+--------------------------+-----------------------+--------------------+-----------------+-----------------------------------+-----------------------------+---------+--------------+--------------------------+--------------------------+----------------------+-----------------+--------------------------------+-----------------------+--------------------------+-----------------+-----------------------------
SELECT 結果
+-----------------+------------+--------------------------------------------------+--------------------+--------------+--------------------------------------------------------------------------------------------------+--------------+-----------------------+--------------------------------------------------------------------------+-----------+--------------