select a.ar_id,a.ar_title,a.ar_mtitle,a.ar_summary,a.ar_timestamp,a.ar_keyword,a.ar_source FROM uv_art_reporter_index i, uv_article a WHERE i.ri_tid='44' AND i.ri_article=a.ar_id AND a.ar_show_editor = 1 AND a.ar_status=3 AND a.ar_del=0 ORDER BY ar_timestamp DESC limit -20 , 20

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error file : /home/news/reporter.php