select * from `eplan_vacancy` where `reference_id` in
(select `eplan_ep_details`.`reference_id`
from `eplan_ep_details`
inner join `eplan_court_cases` on `eplan_ep_details`.`reference_id` = `eplan_court_cases`.`reference_id`
where `ep_cc_status` = 1
group by `eplan_court_cases`.`reference_id`)
and `is_form_submitted` = 1
and `st_code` in ('U05', 'S13', 'S01')
group by `reference_id`
order by `created_at` desc
whereIn
方法的第二个参数。 whereIn($column, $values, $boolean = 'and', $not = false)