insert into user_contact (`friend_id`,`remark_name`,`status`,`owner`) values (#{friendId},#{remarkName},#{status},#{owner}) insert into user_contact (`friend_id`,`remark_name`,`status`,`owner`) values (#{item.friendId},#{item.remarkName},#{item.status},#{item.owner}) update user_contact set update_time=now(),`status`=#{status} where friend_id=#{userId} update user_contact set update_time=now(),`status`=#{status} where `owner`=#{owner} and friend_id=#{userId} update user_contact set update_time=now(),`remark_name`=#{remarkName} where owner=#{owner} and friend_id=#{friendId} select * from user_contact where owner=#{owner} select * from user_contact where `status`=1 and owner=#{owner} and friend_id=#{friendId} select friend_id from user_contact where `owner`=#{owner} and `status`=1 select * from user_contact contact where contact.user_id=#{userId} and contact.friend_id not in (select user_id from group_member where group_id=#{groupId} and user_id!=#{userId})