On Sat, Jun 27, 2015 at 2:30 PM, Leila Zia <[email protected]> wrote:
> For the article recommendation test, we queried user table to get editors' > email addresses. We then excluded the emails that were not verified. We've > received a comment here > <https://meta.wikimedia.org/wiki/Research_talk:Increasing_article_coverage#Usage_of_user_database> > that suggests the user has changed his/her email addresse and we have > somehow retained the old email address. I'd like to get to the bottom of > this problem. Can someone help with this, in the Talk page or here? Are we > looking at the wrong table? And in general, how can old information be in > the user table? > Now that SUL finalization <https://www.mediawiki.org/wiki/SUL_finalisation> has completed, you should use the global user table for email addresses (centralauth.globaluser.gu_email). When the user changes their email, it is not updated on all 800-something projects where they might have an account, only locally and centrally. User data on other wikis will be updated whenever the user next visits them.
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