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Do old usernames stick to CW posts by design?

I've read that it may exist a on the username presented due to denormalized fields (mentioned on Apr 22 '10 at 19:30), but on that same question, there's an answer that mentions the resolution of this issue (answered on Oct 24 '11 at 21:22):

Some time in mid or late 2011, a change was made that affected this behavior. Current names are now shown on some old posts, such as the one I used as the example in the question...

The referred "old post" is a community wiki, just like this one:

Print-Screen of: Reward finding duplicate questions - +10, +2, -5

This community wiki was asked on May 10 '11 at 10:43, and by the revisions history the user is referred with the name Discount Gucci Handbags.

The comment on May 10 '11 at 11:14 refers to the Discount Gucci Handbags username.

Currently this user has the Discount Gucci Handbags username.

So, I was wondering why the Pekka username persists instead of Discount Gucci Handbags?

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marked as duplicate by Mark Trapp, David Fullerton Jul 23 '12 at 14:21

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

4  
Since you've read the other post where this is listed status-bydesign, I'm not entirely sure what you're confused by. The answer that talks about this being resolved isn't correct for the general case - the name will update, under a specific set of circumstances, but in general the expected behaviour is what Jeff described. Comments and revisions are rendered on-demand, so the associated (linked) user name in those cases is always up-to-date. –  Tim Stone Jul 18 '12 at 16:14
    
@TimStone My confusion relates to the name from Lord Torgamus to Popular Demand got updated and the name Pekka to Discount Gucci Handbags didn't. Is there any "guide-lines" as to what "specific set of circumstances" are we talking about? –  Zuul Jul 18 '12 at 16:41
    
@PopularDemand Since your example question technically did have multiple editors, I'm beginning to think that the name (and the percentage edited, by association) is only denormalized in the case where multiple editors touched the body of the post, but I haven't tried to confirm that yet. –  Tim Stone Jul 18 '12 at 16:49
    
@PopularDemand So, perhaps we need synonym for usernames to keep track and properly identify users across the system :) –  Zuul Jul 18 '12 at 17:05
1  
@Zuul You mean user ID? Look at the url for your profile to see yours. That won't change, even if you change your name. –  Servy Jul 18 '12 at 17:06
    
@Servy No I mean the username -> "Zuul", not the userID -> "184576". what visually identifies the user is its username. The comment to Popular Demand was sarcastic. The appropriate thing to happen would be to have the username ALWAYS updated. –  Zuul Jul 18 '12 at 17:32
    
@Servy Visually I can't relate a question from Lord Torgamus to the username Popular Demand. I'll be under the belief that they are two different users. I've noticed this to be wrong with Pekka since I know about is "famous" Discount Gucci Handbags. –  Zuul Jul 18 '12 at 17:35
    
You may also be interested in Keep short history of user display names and the questions in its Linked and Related lists. –  Pops Jul 18 '12 at 17:47

2 Answers 2

up vote 3 down vote accepted

Here are point-by-point replies to your statements:

This community wiki was asked on May 10 '11 at 10:43, and by the revisions history the user is referred with the name Discount Gucci Handbags.

Revision histories always show current usernames. (This was not always the case.)

The comment on May 10 '11 at 11:14 refers to the Discount Gucci Handbags username.

Comment author fields always show current usernames.

Currently this user has the Discount Gucci Handbags username.

Okay, this one doesn't really need a reply.

So, I was wondering why the Pekka username persists instead of Discount Gucci Handbags?

Finally, the interesting question. In a comment under one of the answers you linked to, Grace Note suggested that old names are "only present if there are multiple revisions/users." For reference, she provided a link to Adam Davis's wiki posts. Adam is a good test case for two reasons: he was known by the name Pollyanna for a long time, and he has a lot of CW posts under his belt.

My analysis shows that Grace was right. The current behavior is that when any user edits a CW answer, the old username "sticks"; otherwise, the new username appears. This agrees with the post you were looking at. Note that the rule does not hold for CW questions.

Here are some data. Most of these columns turned out to be irrelevant; the two big ones are Name and Editor history.

╔═══════╦══════╦══════╦══════════════════╦═══════╦════════════╦════════════╦═════════════╦════════════════╦═══════╦═════════════════════════════════════════════════╗  
║ Post  ║ Type ║ Name ║  Editor history  ║ Body  ║ Post date  ║ Edit date  ║ Rev made CW ║  How made CW   ║ Q CW? ║                      Misc                       ║  
╠═══════╬══════╬══════╬══════════════════╬═══════╬════════════╬════════════╬═════════════╬════════════════╬═══════╬═════════════════════════════════════════════════╣  
║ 76000 ║ Ans  ║ P    ║ AD AD            ║ Yes   ║ Jan 22 '11 ║ Mar 4 '11  ║ rev 1       ║ manual         ║ no    ║                                                 ║  
║ 81466 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 3 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81378 ║ Ans  ║ P    ║ AD AD            ║ Yes   ║ Mar 2 '11  ║ Mar 2 '11  ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81376 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81375 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81293 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81272 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81271 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 81269 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 2 '11  ║ N/A        ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 78188 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Feb 6 '11  ║ N/A        ║ after rev 1 ║ mod made Q CW  ║ yes   ║                                                 ║  
║ 77795 ║ Qst  ║ AD   ║ AD AD            ║ Yes   ║ Feb 3 '11  ║ Feb 3 '11  ║ after rev 2 ║ mod            ║ N/A   ║                                                 ║  
║ 77796 ║ Ans  ║ P    ║ AD oth oth       ║ Yes   ║ Feb 3 '11  ║ Feb 3 '11  ║ auto?       ║ mod made Q CW? ║ yes?  ║                                                 ║  
║ 76717 ║ Ans  ║ P    ║ AD AD oth oth AD ║ Yes   ║ Jan 27 '11 ║ Jan 27 '11 ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 75963 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Jan 22 '11 ║ N/A        ║ after rev 1 ║ manual         ║ no    ║ bounty                                          ║  
║ 58975 ║ Ans  ║ AD   ║ Anon             ║ N/A   ║ Oct 29 '09 ║ N/A        ║ auto?       ║ ?              ║ yes   ║ migrated from SO; rev hist shows author as anon ║  
║ 29652 ║ Ans  ║ AD   ║ AD               ║ Yes   ║ Nov 5 '09  ║ Nov 5 '09  ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 28456 ║ Ans  ║ P    ║ AD oth           ║ Yes   ║ Nov 3 '09  ║ Nov 3 '09  ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║ 28191 ║ Ans  ║ P    ║ AD oth           ║ Yes   ║ Nov 2 '09  ║ Nov 2 '09  ║ auto        ║ Q started CW   ║ yes   ║                                                 ║  
║  8805 ║ Ans  ║ AD   ║ AD               ║ N/A   ║ Mar 30 '09 ║ N/A        ║ auto        ║ Q had >30 ans  ║ yes   ║ migrated from SO; later closed/protected        ║  
╚═══════╩══════╩══════╩══════════════════╩═══════╩════════════╩════════════╩═════════════╩════════════════╩═══════╩═════════════════════════════════════════════════╝

I wasn't able to test Tim's theory about a body edit being required, but it seems reasonable. There have been other issues discussed on MSO where that has mattered.

If you sort Adam's wiki posts by "active", you may notice that everything with activity more recent than March 8, 2011 appears with the new name. That's (about) the date Adam changed his name (source one, source two).

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I've gone through your detailled answer. Tks for the clarification on this subject. I still strongly believe that a username present anywhere on the system should always be the current username. Otherwise, we need to access the user profile page to see actually who he is. –  Zuul Jul 20 '12 at 0:39

See Do old usernames stick to CW posts by design? ; the comment is updated with the current user name in this case, while the Community Wiki post's username is not. It's a little confusing but it seems there's no plan to change how it's handled.

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Tks for your input on this subject. I've gone with the answer from Popular Demand due to the detailed information provided. –  Zuul Jul 20 '12 at 0:41

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