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SELECT
    c.*,
    user_representative_picture_id,
    nb_images,
    date_last,
    max_date_last,
    count_images,
    count_categories
  FROM piwigo_categories c
    INNER JOIN piwigo_user_cache_categories ucc
    ON id = cat_id
    AND user_id = 2
  WHERE id_uppercat = 24
      
  ORDER BY rank
; in /home/atbkoij/aquatechnobel.be/piwigo/include/dblayer/functions_mysqli.inc.php on line 834