@fuid 是原 uid
@tuid 是目标 uid

1. 
   
2. set @fuid = 100;
   
3. set @tuid = 1;
   
4. select @fuid, @tuid;
   
5. update cdb_members set uid = @tuid where uid = @fuid limit 1;
   
6. update cdb_memberfields set uid = @tuid where uid = @fuid limit 1;
   
7. update cdb_threads set authorid = @tuid where authorid = @fuid;
   
8. update cdb_posts set authorid = @tuid where authorid = @fuid;
   
9. update cdb_pms set msgfromid = @tuid where msgfromid = @fuid;
   
10. update cdb_pms set msgtoid = @tuid where msgtoid = @fuid;
    
11. update cdb_application set uid = @tuid where uid = @fuid;
    
12. update cdb_threadsmod set uid = @tuid where uid = @fuid;
    
13. update cdb_myposts set uid = @tuid where uid = @fuid;
    
14. update cdb_mythreads set uid = @tuid where uid = @fuid;
    
15. update cdb_attachments set uid = @tuid where uid = @fuid;
    
16. update cdb_favorites set uid = @tuid where uid = @fuid;
    

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