evaluating subselect for each row

As part of anonymizing some data, I want to do something like:

update foo set bar = (select bar2 from fakes order by random() limit 1);

But of course, that sets them all to the same value, whereas I want them all different.

--
Scott Ribe
scott_ribe(at)elevated-dev(dot)com
http://www.elevated-dev.com/
(303) 722-0567 voice