id, name, note, order_index, parent_id, create_time, create_by, update_time, update_by, valid_flag select classify1.* from risk_control_classify as classify1 where valid_flag = 1 select * from risk_control_classify as classify1 left join risk_control_classify as classify2 on classify1.id = classify2.parent_id where classify1.valid_flag = 1 and classify1.name = #{classify1} and classify2.name = #{classify2} select classify1.id id1 , classify1.name, classify2.id id2, classify2.name from risk_control_classify as classify1 left join risk_control_classify as classify2 on classify1.id = classify2.parent_id where classify1.valid_flag = 1 and classify1.name = #{classify1} and classify2.name = #{classify2} select * from risk_control_classify where valid_flag = 1 and name = #{classify} select * from risk_control_classify where valid_flag = 1 and parent_id = #{id} and name = #{trim} select * from risk_control_classify where valid_flag = 1 and id = #{id}