Re: converting tables to XML and back

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От Sam Mason
Тема Re: converting tables to XML and back
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Msg-id 20100105140651.GX5407@samason.me.uk
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Ответ на converting tables to XML and back  (shulkae <shulkae@gmail.com>)
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On Mon, Jan 04, 2010 at 07:46:29AM -0800, shulkae wrote:
> We have few tables which we would like to convert to XML and store it.

Not sure if you've seen them, but Postgres provides a few built in functions that will help with simple tasks:

  http://www.postgresql.org/docs/current/static/functions-xml.html

> Another requirement is to convert the stored XML file back to the
> original tables.  This helps us to clone a system. I was thinking to
> use Perl XML Simple module to generate XML files.

Not tried to do this, but the functions from above should help.

> How do I again re-create tables from XML?

xpath() is what I've used for this before.  It's performance isn't
amazing, but it's been enough for the things I've used it for.

--
  Sam  http://samason.me.uk/

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