用法： $presto = new PrestoClient(); $data = $presto->querySql('select count(user_id) from xx.xx'); //库名.表名 var_dump($data);die();

$presto = new PrestoClient(); $data = $presto->querySql('select count(user_id) from adm.adm_lfq_usr_portrait_a'); //from 库名.表名 var_dump($data);die();