Re: COPY example for partial tables

Why the vacuum? Seems a bit sever to do a vacuum of an entire database
just because you created a temp table.

On Tue, Oct 11, 2005 at 04:02:17PM -0700, David Fetter wrote:
> Folks,
>
> Please find enclosed a patch (should work for 7.3 and up) that
> illustrates a workaround for using COPY on parts of tables using
> temporary tables. It's helped me, and it seems popular via a very
> brief and un-scientific poll.
>
> Cheers,
> D
> --
> David Fetter david(at)fetter(dot)org http://fetter.org/
> phone: +1 510 893 6100 mobile: +1 415 235 3778
>
> Remember to vote!

> Index: doc/src/sgml/ref/copy.sgml
> ===================================================================
> RCS file: /projects/cvsroot/pgsql/doc/src/sgml/ref/copy.sgml,v
> retrieving revision 1.67
> diff -c -r1.67 copy.sgml
> *** doc/src/sgml/ref/copy.sgml 5 Sep 2005 14:44:05 -0000 1.67
> --- doc/src/sgml/ref/copy.sgml 11 Oct 2005 23:00:40 -0000
> ***************
> *** 709,714 ****
> --- 709,730 ----
> </para>
>
> <para>
> + To copy just the countries whose names start with 'A' into a file
> + using a temporary table which goes away at the end of the
> + transaction. <note><para>This workaround will probably not be
> + needed for <productname>PostgreSQL</productname> 8.2 and
> + later.</para></note>
> + <programlisting>
> + BEGIN;
> + CREATE TEMP TABLE a_list_COUNTRIES AS
> + SELECT * FROM country WHERE country_name LIKE 'A%';
> + COPY a_list_countries TO '/usr1/proj/bray/sql/a_list_countries.copy';
> + ROLLBACK;
> + VACUUM;
> + </programlisting>
> + </para>
> +
> + <para>
> Here is a sample of data suitable for copying into a table from
> <literal>STDIN</literal>:
> <programlisting>

>
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