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Checkuser results should update usernames after a user is renamed
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Description

After an account is renamed, all the edits move in normal user contributions list. This seems to not actually happen on the checkuser results, where old edits tend to appear under the old username, making it appear to CU's as if two different accounts made the edits.

Event Timeline

Courcelles raised the priority of this task from to Needs Triage.
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Keegan triaged this task as Medium priority.Dec 23 2014, 6:27 AM
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DeltaQuad raised the priority of this task from Medium to Needs Triage.Dec 23 2014, 6:28 AM
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Just noting this does not just happen on RECENT renames. The rename I encountered this bug on tonight had been done in September.

DeltaQuad triaged this task as Medium priority.Dec 23 2014, 6:31 AM

Sorry about the changes, edit conflict. Also I can confirm this bug.

Legoktm renamed this task from Checkuser results looks like two accounts after a rename to Checkuser results should update usernames after a user is renamed.Jan 22 2016, 9:26 PM
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Change 265848 had a related patch set uploaded (by Legoktm):
Update cu_changes and cu_log tables when a user is renamed

https://gerrit.wikimedia.org/r/265848

Change 265848 merged by jenkins-bot:
Update cu_changes and cu_log tables when a user is renamed

https://gerrit.wikimedia.org/r/265848

Will go out with the 1.27.0-wmf.12 deployment next week. It'll only apply to users renamed after that point, not retroactively.