Re: Question on partitioning

Simon, you're right on the money.. the guys on the IRC chatroom suggested
that I cast the partitioning column as SMALLINT as the optimizer assumed
Integer and it worked. Thx for getting back to me
Mark Steben
AutoRevenue

-----Original Message-----
From: Simon Riggs [mailto:simon(at)2ndquadrant(dot)com]
Sent: Thursday, November 16, 2006 12:39 PM
To: Mark Steben
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] Question on partitioning

On Wed, 2006-11-15 at 15:13 -0500, Mark Steben wrote:

> Regarding partitioning - I set up a testing table - parent table and 4
> partitioning children's tables inheriting the
>
> Attributes of the parent. I inserted 1800 rows in all - 450 equitably
> in each partition. The CHECK constraints work great.
>
> The PART_ID column, defined as SMALLINT, Is the partitioning
> column.
>

You'll probably want to look at the caveats here
http://www.postgresql.org/docs/8.2/static/ddl-partitioning.html#DDL-PARTITIO
NING-CAVEATS

especially the ones about cross-datatype comparisons in CHECK
constraints.

--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com