On Wed, Nov 28, 2007 at 12:39:04PM -0800, Joshua D. Drake wrote:
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> On Wed, 28 Nov 2007 12:26:15 -0800
> David Fetter <[EMAIL PROTECTED]> wrote:
>
> > Folks,
> >
> > Best practices for partitioning so far have shown that TRIGGERs are
> > better than RULEs for most cases. Please find attached a patch which
> > reflects this.
> >
> > Thanks to Robert Treat for help putting this together :)
> >
> > Cheers,
> > David.
>
> +1
>
> Joshua D. Drake
Per Robert, I've also dropped the UNION partitioning suggestion as
it's pretty useless.
Cheers,
David.
--
David Fetter <[EMAIL PROTECTED]> http://fetter.org/
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Skype: davidfetter XMPP: [EMAIL PROTECTED]
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Index: doc/src/sgml/ddl.sgml
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RCS file: /projects/cvsroot/pgsql/doc/src/sgml/ddl.sgml,v
retrieving revision 1.77
diff -c -r1.77 ddl.sgml
*** doc/src/sgml/ddl.sgml 28 Nov 2007 15:42:31 -0000 1.77
--- doc/src/sgml/ddl.sgml 28 Nov 2007 20:39:48 -0000
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script that generates the required DDL automatically.
</para>
- <para>
- Partitioning can also be arranged using a <literal>UNION ALL</literal>
- view:
-
- <programlisting>
- CREATE VIEW measurement AS
- SELECT * FROM measurement_y2004m02
- UNION ALL SELECT * FROM measurement_y2004m03
- ...
- UNION ALL SELECT * FROM measurement_y2005m11
- UNION ALL SELECT * FROM measurement_y2005m12
- UNION ALL SELECT * FROM measurement_y2006m01;
- </programlisting>
-
- However, the need to
- recreate the view adds an extra step to adding and dropping
- individual partitions of the data set.
- </para>
</sect2>
<sect2 id="ddl-partitioning-managing-partitions">
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