Re: partition insert performance

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Anj Adu <fotographs(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: partition insert performance
Date: 2009-06-15 17:27:30
Message-ID: dcc563d10906151027v53a35449m1ea3b58c0e172828@mail.gmail.com
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On Mon, Jun 15, 2009 at 8:17 AM, Anj Adu<fotographs(at)gmail(dot)com> wrote:
> We currently use triggers with static if..then..else statements to determine
> which partition the data goes into. Would there be a performance impact if
> we were to use dynamic sql to achieve the same ?. The issue with static
> triggers is the maintenance overhead of having to redefine the triggers
> periodically. The dynamic sql is simple and involves building a sql string
> with just a to_char(date_Field) to determine which partition the data goes
> into and the trigger will never have to be re-defined.

If you're using plpgsql prepare for a world of pain if you've got any
null values in your inserts.

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