LJ::_friends_do — Runs given sql, then deletes the given userid's friends from memcache
LJ::_friends_do(uuserid, sql, args);
uuserid. a userid or u object
sql. sql to run via $dbh->do()
args. a list of arguments to pass use via: $dbh->do($sql, undef, @args)
cgi-bin/ljlib.pl
results of $dbh->do()