select count(id_media)-1 as nb_images, collections.id_collection, nom_collection, type_album, 
	is_download, description,nb_visites_album from collections inner join medias using(id_collection)  
	where id_user=1  and (type_album='public' or type_album='privé')  
	group by  collections.id_collection, nom_collection, type_album, is_download, description, nb_visites_album 
	order by nom_collection<hr>Got error 28 from storage engine