id, task_id, user_id, unit_id, creation_time, update_time insert into new_fight_need_problem_unit_task id, task_id, user_id, unit_id, creation_time values #{item.id}, #{item.taskId}, #{item.userId}, #{item.unitId}, sysdate() update new_fight_need_problem_unit_task id=#{item.id}, task_id=#{item.taskId}, user_id=#{item.userId}, unit_id=#{item.unitId}, update_time=sysdate() where id = #{item.id} delete from new_fight_need_problem_unit_task where id=#{id}