select id, user_id, friend_id, status, create_time, update_time, create_by, updateBy, remark from app_user_friend and user_id = #{userId} and friend_id = #{friendId} and status = #{status} and updateBy = #{updateBy} select DISTINCT(user_id) from app_user_friend friend_id in #{item} select a.id as "id",a.user_id as "userId",a.friend_id as "friendId",a.status as "status",a.create_time as "createTime", u.username as "username", u.avatar_url as "avatarUrl" from app_user_friend a left join app_user u on u.id = a.friend_id and a.user_id = #{userId} and a.friend_id = #{friendId} and a.status = #{status} and a.updateBy = #{updateBy} where id = #{id} insert into app_user_friend user_id, friend_id, status, create_time, update_time, create_by, updateBy, remark, #{userId}, #{friendId}, #{status}, #{createTime}, #{updateTime}, #{createBy}, #{updateBy}, #{remark}, update app_user_friend user_id = #{userId}, friend_id = #{friendId}, status = #{status}, create_time = #{createTime}, update_time = #{updateTime}, create_by = #{createBy}, updateBy = #{updateBy}, remark = #{remark}, where id = #{id} delete from app_user_friend where id = #{id} delete from app_user_friend where id in #{id}