Erreur SQL !
select rider, s.id_rider, profil_public, max( concat( concat(repeat('0', 10-length(vheure)), vheure, '_'), concat(date, '_'), concat(repeat('0', 10-length(id_session)), id_session) )) as str from sessions s, riders r where not isnull(vheure) and vheure<>0 and r.id_rider<>0 and s.id_rider=r.id_rider and id_spot=290 group by 1, 2, 3 order by 4 desc limit 10
Lost connection to MySQL server during query