On Sat, 2006-06-10 at 14:06 -0400, Tom Lane wrote: > John Gray <jgray@xxxxxxxxxxx> 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... Regards John > regards, tom lane
