我在MySQL中有以下查询联接。left join the_fields as tf on and tf.is_payed is not null 我尝试像这样转换为laravel查询构建器: ->leftJoin('the_fields as tf', function ($j) {
$j->on('tf.tf_kode', '=',
以下是Laravel 5应用程序中雄辩类之间的一些关系:
select * from "a" where (select count(*) from "b" where "a"."QueryException with message 'SQLSTATE[42703]: Undefined column: 7 ERROR: column c.b_id does n
如何使用Eloquent检查字段是否不为空?以下是DB::getQueryLog()对此的描述:
'query' => string 'select * from my_table where sent_at = ? and profile_id in (?, ?) order by created_at desc' (length=101