{"code":"ER_CANT_AGGREGATE_2COLLATIONS","errno":1267,"sqlMessage":"Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='","sqlState":"HY000","index":0,"sql":"select `t0`.*, `t0`.`id` from `documents` as `t0` where (`t0`.`filename` = 'foglio-informativo-carta-vr46。这是记名、可充值、带' and `t0`.`published_at` is not null)"}