Re: Patch for - Change FETCH/MOVE to use int8 - Mailing list pgsql-patches

From Bruce Momjian
Subject Re: Patch for - Change FETCH/MOVE to use int8
Date
Msg-id 200608140205.k7E25Iq24870@momjian.us
Whole thread Raw
In response to Re: Patch for - Change FETCH/MOVE to use int8  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Patch for - Change FETCH/MOVE to use int8
List pgsql-patches
Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > I don't think this is the right approach.  Maybe it would be reasonable
> > to add another arm to the %union instead, not sure.  The problem is the
> > amount of ugly casts you have to use below.  The scanner code seems to
> > think that a constant larger than the biggest int4 should be treated as
> > float, so I'm not sure why this would work anyway.
>
> I'm not sure that I see the point of this at all.  ISTM the entire
> reason for using a cursor is that you're going to fetch the results
> in bite-size pieces.  I don't see the current Postgres source code
> surviving into the era where >2G rows is considered bite-size ;-)

Think MOVE to a specific section of the cursor > 2gig.  I can see that
happening.

--
  Bruce Momjian   bruce@momjian.us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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