From: | Yann Michel <yann-postgresql(at)spline(dot)de> |
---|---|
To: | Matt Casters <Matt(dot)Casters(at)advalvas(dot)be> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: |
Date: | 2005-01-21 12:30:08 |
Message-ID: | 20050121123008.GA13904@zoom.spline.inf.fu-berlin.de |
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Thread: | |
Lists: | pgsql-performance |
Hi,
On Fri, Jan 21, 2005 at 09:50:46AM +0100, Matt Casters wrote:
>
> > Some people have been doing it using a union view. There isn't actually
> > a partition feature.
>
> Actually, there is. If found this example on pgsql-performance:
>
> >> CREATE TABLE super_foo ( partition NUMERIC, bar NUMERIC );
> >> ANALYZE super_foo ;
> >>
> >> CREATE TABLE sub_foo1 () INHERITS ( super_foo );
[...]
> >>
> >> CREATE TABLE sub_foo2 () INHERITS ( super_foo );
[...]
> >>
Yes, this could be used instead of a view. But there is one thing
missing. You can't just insert into super_foo and aquire the "correct
partition". You will still have to insert into the correct underlying
table. "Real" partitioning will take care of correct partition
selection.
Regards,
Yann
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