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Re: seq scan in the case of max() on the primary key column - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: seq scan in the case of max() on the primary key column
Date
Msg-id BANLkTi=g0OfJkf_tA89V+P=J=X2WWKdHPw@mail.gmail.com
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In response to Re: seq scan in the case of max() on the primary key column  (Shaun Thomas <sthomas@peak6.com>)
Responses Re: seq scan in the case of max() on the primary key column  (Shaun Thomas <sthomas@peak6.com>)
Re: seq scan in the case of max() on the primary key column  (Greg Smith <greg@2ndQuadrant.com>)
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On Wed, Jun 22, 2011 at 7:12 AM, Shaun Thomas <sthomas@peak6.com> wrote:
> On 06/22/2011 04:55 AM, Marti Raudsepp wrote:
>
>> With Jim Nasby's idea to use regclass instead of relation names, the
>> function is now half its length and probably more reliable. There's no
>> need to touch pg_class directly at all.
>
> Sadly until we upgrade to EDB 9.0, I have to use my function. :) EDB 8.3
> (which is really PostgreSQL 8.2) doesn't have a regclass->text conversion.
> But I'll bookmark the wiki page anyway, so I can update my function after
> upgrading. Heh.
>

Given that many folks still run < 9.0 in production, the wiki page
should really have a version of that function for older versions,
whether it's long or not.

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