insert into sys_notice_receiver (notice_id, user_id, source_type, source_id, create_time) values (#{noticeId}, #{userId}, #{sourceType}, #{sourceId}, #{createTime}) select count(1) from sys_notice_receiver where notice_id = #{noticeId} select count(1) from sys_notice_receiver where notice_id = #{noticeId} and user_id = #{userId} select count(1) from sys_notice_receiver where source_type = #{sourceType} and source_id = #{sourceId} and user_id = #{userId} select n.notice_id from sys_notice n where n.notice_id in #{noticeId} and ( not exists (select 1 from sys_notice_receiver nr_all where nr_all.notice_id = n.notice_id) or exists (select 1 from sys_notice_receiver nr_user where nr_user.notice_id = n.notice_id and nr_user.user_id = #{userId}) ) delete from sys_notice_receiver where notice_id in #{noticeId}