stx:
insert g5_visit ( vi_id, vi_ip, vi_date, vi_time, vi_referer, vi_agent, vi_browser, vi_os, vi_device ) values ( '7511', '54.86.132.30', '2019-06-25', '23:12:24', '', 'CCBot/2.0 (https://commoncrawl.org/faq/)', '', '', '' )
select * from g5_write_qna where wr_is_comment = 0 order by wr_num, wr_reply limit 0, 15
