On Thu, Feb 19, 2009 at 2:54 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Thu, Feb 19, 2009 at 1:20 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> [ back to planner stuff after a hiatus ]
>
>> Well, as I wrote upthread:
>
> What you're actually suggesting is modifying the executor to incorporate
> the unique-fication logic into hashjoin and/or mergejoin. Maybe, but
> that code is way too complex already for my taste (especially mergejoin)
> and what we'd save is, hmm, four lines in the planner.
What you'd save is planning time.
...Robert
