Array
(
    [0] => 42S22
    [1] => 1054
    [2] => Unknown column 'a' in 'where clause'
    [sql] => SELECT md.url as module FROM modulo md  LEFT JOIN modulomenu mm USING(idModulo) LEFT JOIN menu m USING(idMenu)  WHERE m.url = null+a+null OR md.url = null+a+null   
)