Magnus Manske wrote:
That would be
way too expensive, no can do.
"SELECT DISTINCT rev_user,rev_user_text FROM revision" for a single
page
is too expensive? Come on, article history is probably more expensive
than that!
Well, we've got this site called "Wikipedia", which has a lot of pages with
tens
of thousands of revisions on them. ;)
Whenever we have a feature that allows going wild on all of them and allow
people to use it, it bogs down the databases until we have to remove it. You
need to take these into account *first*.
-- brion vibber (brion @
pobox.com)