Make sense to me. Thanks for the advice. I will try that out.
Thanks and Regards
Yan Cheng CHEOK
--- On Thu, 1/21/10, Vick Khera <vivek@khera.org> wrote:
> From: Vick Khera <vivek@khera.org>
> Subject: Re: [GENERAL] Partitioning on Table with Foreign Key
> To: "Yan Cheng Cheok" <yccheok@yahoo.com>
> Cc: pgsql-general@postgresql.org
> Date: Thursday, January 21, 2010, 11:30 PM
> On Thu, Jan 21, 2010 at 3:46 AM, Yan
> Cheng Cheok <yccheok@yahoo.com>
> wrote:
> > table measurement will have a *lot* of row (millions).
> I want to speed up write and read access. Hence, I use
> partition technique.
> >
> > CREATE TABLE measurement_y2006m02 (
> > CHECK ( date >= DATE '2006-02-01' AND date
> < DATE '2006-03-01' )
> > ) INHERITS (measurement);
> >
> > Opps! But measurement do not have date column. How I
> can refer to measurement's lot's date?
> >
>
> Split on your lot ID number instead of date, using a modulo
> operation.
> I've done this by splitting a table 100 ways using the
> constraing (id
> % 100 == N) for N = 0 .. 99.
>
> We don't know what your data retention or distribution
> needs are, so
> it is hard to offer solid advice.
>