[Mediawiki-l] user account deletion and no reference constraints to user table

[David Zhang]

Hello,

Does MW have out-of-box feature for WikiSysop to
remove a user account?

If not, what happen if I manually remove a user
account? Many dead links?
non-functioning system?

I am not sure whether other people have noticed that
there are NO reference constraints
to the user table from other MW tables. User accounts
are stored in the user table.
Anybody knows why MW development team did NOT create
references to user
table? Obviously, many other tables have user
information such as user_id, but
why no database reference constraints to enforce data
integrity?

Any info is really appreciated.

Thanks, David

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