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Tflanagan (WMF)
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All students, even if no article; set the course ID to refine
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SQL
USE arwiki_p; #set the language/project database SELECT c.course_id,c.course_start,c.course_end,u.user_id,u.user_name,a.article_page_title, bytes_added FROM ep_courses c LEFT JOIN user u ON u.user_id = if(instr(c.course_students,concat(":",u.user_id,";"))>0,u.user_id,c.course_students) AND u.user_id > 1000 #to weed out the registration numbers LEFT JOIN ( SELECT a.article_course_id, a.article_user_id, a.article_page_title, SUM(CAST(r.rev_len as signed) - CAST(COALESCE(p.rev_len,0) as signed)) AS bytes_added, COUNT(r.rev_id) AS edit_count FROM ep_articles a JOIN revision r ON r.rev_page = a.article_page_id LEFT OUTER JOIN revision p ON p.rev_id = r.rev_parent_id WHERE article_course_id IN (63) ) ON a.article_user_id = u.user_id WHERE c.course_id IN (63) ORDER BY course_id, user_name; #option to specify specific courses or single course
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