クエリの送信に失敗しました。
SQL:(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 486 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 489 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 551 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 549 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 540 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 538 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 526 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 484 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 461 order by articles.id desc limit 0,1 )union(select articles.id,articles.title,articles.link,sites.site_name,sites.code from articles,sites where articles.site_id = sites.id and sites.id = 374 order by articles.id desc limit 0,1 )