pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Stephan Szabo <sszabo@megazone23.bigpanda.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: Matthew Price <pricem@juno.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Index not being used
Date: Thu, 14 Feb 2002 15:08:45 -0800 (PST)
Message-ID: <20020214150423.R24897-100000@megazone23.bigpanda.com> (raw)
In-Reply-To: <web-694398@davinci.ethosmedia.com>


On Thu, 14 Feb 2002, Josh Berkus wrote:

> Matthew,
>
> 1. Is field cdate DATE or TIMESTAMP?
> 2. What happens with:
> EXPLAIN SELECT cdate FROM sometable WHERE cdate = '2001-02-14'::DATE or
>  TIMESTAMP?
> 3. Please time both queries and give the number of resulting rows from
>  both queries.

Something tells me that current_date is probably not in a form that's
considered indexable.  You could probably get around that with an
iscachable function hiding it however.




view thread (11+ messages)  latest in thread

Message-ID: <20020214150423.R24897-100000@megazone23.bigpanda.com>
Permalink:  ../20020214150423.R24897-100000@megazone23.bigpanda.com/
Also on:    postgresql.org/message-id/20020214150423.R24897-100000@megazone23.bigpanda.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: sszabo@megazone23.bigpanda.com, josh@agliodbs.com, pricem@juno.com
  Subject: Re: Index not being used
  In-Reply-To: <20020214150423.R24897-100000@megazone23.bigpanda.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox