id, project_id, user_id, creation_time, update_time SELECT nfpj.id, nfpj.project_id, nfpj.user_id, su.name as userName, su.image_url as userImg, nfpj.creation_time, nfpj.update_time FROM new_fight_project_join as nfpj LEFT JOIN sys_user as su ON su.user_id=nfpj.user_id 1=1 and nfpj.project_id=#{projectId} SELECT nfpj.id, nfpj.project_id, nfpj.user_id, su.name as userName, su.image_url as userImg, nfpj.creation_time, nfpj.update_time FROM new_fight_project_join as nfpj LEFT JOIN sys_user as su ON su.user_id=nfpj.user_id 1=1 and nfpj.id =#{id} insert into new_fight_project_join id, project_id, user_id, creation_time values #{item.id}, #{item.projectId}, #{item.userId}, sysdate() update new_fight_project_join id=#{item.id}, project_id=#{item.projectId}, user_id=#{item.userId}, update_time=sysdate() where id = #{item.id} delete from new_fight_project_join 1=1 and id=#{id} and project_id=#{projectId} and user_id=#{userId}