update invite invite_name=#{inviteName}, invite_brief=#{inviteBrief}, invite_url=#{inviteUrl}, dir_id=#{dirId}, invite_img=#{inviteImg} id = #{id} select i.id,i.invite_name,i.invite_brief,i.invite_url,d.dir_name from invite as i inner join (select id,dir_name from directory) as d on i.dir_id = d.id select count(1) from invite where invite_name =#{inviteName}