FAILED QUERY: SELECT COUNT(*) FROM tags LEFT JOIN album ON album.id=tags.album LEFT JOIN artist ON artist.id=tags.ar tist LEFT JOIN composer ON composer.id=tags.composer LEFT JOIN genre ON genre.id=tags.genre LEFT JOIN year ON year.id=tags.y ear LEFT JOIN statistics ON statistics.url=tags.url AND statistics.deviceid = tags.deviceid LEFT JOIN statistics ON tags.ur l = statistics.url WHERE 1 AND statistics.url IS null AND tags.deviceid IN (1,3,4,5,6,7,8,9,10,11,12,-1)