Re: Checking = with timestamp field is slow

Michael Glaesemann <grzm@myrealbox.com>

From: Michael Glaesemann <grzm@myrealbox.com>
To: Michael Glaesemann <grzm@myrealbox.com>
Cc: Antony Paul <antonypaul24@gmail.com>, pgsql-performance@postgresql.org
Date: 2004-11-05T08:32:49Z
Lists: pgsql-performance
On Nov 5, 2004, at 5:14 PM, Michael Glaesemann wrote:

>
> On Nov 5, 2004, at 4:16 PM, Antony Paul wrote:
>> where today::date = '2004-11-05';
>>
>> This is the only condition in the query. There is a btree index on the
>> column today.
>> Is there any way to optimise it.
>
> I'm sure others out there have better ideas, but you might want to try
>
> where current_date = date '2004-11-05'

Ach! just re-read that. today is one of your columns! Try

where today::date = date '2004-11-05'