Bruce Momjian wrote:
>
> I have always felt some feedback mechanism from the executor back to the
> optimizer was required but I was never sure quite how to implement it.
The folks at DEC (rdb???) wrote a paper on it a long time ago (duh, back
when DEC existed). I ran across it in the Tuft's library about a year
ago, back when my girlfriend was in grad school.
--
Don Baccus
Portland, OR
http://donb.photo.net, http://birdnotes.net, http://openacs.org