Skip site navigation (1) Skip section navigation (2)

Re: FAQ -- Index usage/speed

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>,"Thomas F(dot) O'Connell" <tfo(at)sitening(dot)com>, pgsql-docs(at)postgresql(dot)org
Subject: Re: FAQ -- Index usage/speed
Date: 2004-09-01 03:28:26
Message-ID: 200409010328.i813SQU29489@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-docs
Marc G. Fournier wrote:
> On Tue, 31 Aug 2004, Josh Berkus wrote:
> 
> > Bruce,
> >
> >> However, with this fixed in 8.0, it probably isn't worth adding to the
> >> FAQ.
> >
> > I'd disagree.  We can expect people to be using 7.3 and 7.4 for 2 years 
> > yet.
> 
> Have to agree ... I'm still supporting clients using 7.2 ...

OK, added to FAQ:

    <P>In pre-8.0 releases, indexes often can not be used unless the data
    types exactly match the index's column types.  This is particularly
    true of int2, int8, and numeric column indexes.</P>

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

In response to

pgsql-docs by date

Next:From: cnliouDate: 2004-09-01 13:21:01
Subject: Complex trigger firing order
Previous:From: Marc G. FournierDate: 2004-09-01 03:21:49
Subject: Re: FAQ -- Index usage/speed

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group