Merge 'trunk' into 'prefetch'
Rob Kinyon [Thu, 5 Mar 2009 19:17:48 +0000 (14:17 -0500)]
r5686@rkinyon-lt-osx (orig r5685):  robkinyon | 2009-03-05 13:17:48 -0500
Added experimental tag to as_query and subqueries in general


Trivial merge