select unit_id, user_id, company_id from bm_unit_person insert into bm_unit_person ( unit_id, user_id )values( #{unitId}, #{userId} ) update bm_unit_person user_id = #{userId} ,company_id = #{companyId} where unit_id = #{unitId} delete from bm_unit_person where unit_id = #{unitId} delete from bm_unit_person where unit_id in #{unitId}