On Wed, Sep 16, 2009 at 5:24 PM, John R Pierce <pierce@hogranch.com> wrote:
> why would you store data thats wrapped in two copies of its fieldname along
> with other punctuation? wouldn't it make more sense to decompose your XML
> source into proper tables so proper indexes and relational sql queries can
> be made? otherwise, every query turns into a massive sequential scan and
> parsing operation.
you can always have index on xpath() ...
and than use same expression in WHERE, and postgresql will use index.
--
GJ