INSERT INTO UnivFollowShip ( beFollower, follower, isClassmate , areaid ) Values ( #{beFollower}, #{follower}, #{isClassmate} , #{areaid} ) UPDATE UnivFollowShip SET beFollower = #{beFollower}, follower = #{follower}, isClassmate = #{isClassmate} , areaid = #{areaid} WHERE beFollower=#{beFollower} AND follower=#{follower} and areaid = #{areaid} SELECT beFollower , follower , isClassmate , areaid FROM UnivFollowShip WHERE beFollower=#{beFollower} AND follower=#{follower} and areaid = #{areaid} SELECT beFollower , follower , isClassmate , areaid FROM UnivFollowShip WHERE beFollower=#{beFollower} SELECT beFollower , follower , isClassmate , areaid FROM UnivFollowShip WHERE follower=#{follower} and areaid = #{areaid} SELECT count(*) FROM UnivFollowShip WHERE beFollower=#{beFollower} SELECT count(*) FROM UnivFollowShip WHERE follower=#{follower} and areaid = #{areaid} delete from UnivFollowShip where follower = #{follower} and beFollower=#{beFollower} and areaid = #{areaid}