Re: TABLESAMPLE patch

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От Bruce Momjian
Тема Re: TABLESAMPLE patch
Дата
Msg-id 20150129164413.GC4482@momjian.us
обсуждение исходный текст
Ответ на Re: TABLESAMPLE patch  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: TABLESAMPLE patch  (Jim Nasby <Jim.Nasby@BlueTreble.com>)
Список pgsql-hackers
On Thu, Jan 29, 2015 at 11:08:55AM -0500, Robert Haas wrote:
> On Wed, Jan 28, 2015 at 5:19 AM, Petr Jelinek <petr@2ndquadrant.com> wrote:
> > Yes, that's my view too. I would generally be for that change also and it
> > would be worth it if the code was used in more than one place, but as it is
> > it seems like it will just add code/complexity for no real benefit. It would
> > make sense in case we used sequential scan node instead of the new node as
> > Amit also suggested, but I remain unconvinced that mixing sampling and
> > sequential scan into single scan node would be a good idea.
> 
> Based on previous experience, I expect that any proposal to merge
> those nodes would get shot down by Tom with his laser-guided atomic
> bazooka faster than you can say "-1 from me regards tom lane".

Do we get illustrations with that?  ;-)  I want a poster for my wall!

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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