select corp_id from lv_insr_topay where calc_prd = :end_date and topay_type = 1 and insr_detail_code=:insr_detail_code 

minus 

select corp_id from lv_insr_topay where calc_prd = :start_date and topay_type = 1 and insr_detail_code=:insr_detail_code

这个sql语句报错  请问该怎么办