John Gray wrote:
> On Sat, 2006-06-10 at 14:06 -0400, Tom Lane wrote:
> > John Gray <jgray@azuli.co.uk> writes:
> > > This is the reason why xpath_table allows you to specify an
> > > identifying field (usually a primary key but doesn't have to be)- the
> > > solution to your question is to join an xpath_table that just fetches the
> > > document number against the primary key, e.g.:
> >
> > John, do you think anything could be done in the pgxml documentation to
> > make this usage pattern clearer?
> >
>
> Yes - I'll write a doc patch for this and include an example like this
> by way of demonstration - I notice now that this particular feature
> (which I went to some lengths to incorporate in the code!) is completely
> undocumented. I'll also consider whether another function with different
> behaviour in this situation is possible or helpful.
>
> Give me a few days...
FYI, I have not seen a patch for this yet.
--
Bruce Momjian bruce@momjian.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
