Re: Adding xpath_exists function

Mike Fowler wrote:
> Robert Haas wrote:
> > Please email your patch to the list (replying to this email is fine)
> > and add it here:
> > https://commitfest.postgresql.org/action/commitfest_view/open
> >
> Here's my patch, developed against HEAD, that adds the function
> 'xpath_exists'. The function is a lot simpler than originally thought,
> so none of the string manipulation previously discussed was required.
> I've also included some regression tests that test the function with and
> without xml namespaces. I should note that before I added my tests all
> existing tests passed.
>
> One observation that can be made is that I've largely copied the
> existing xpath function and altered it to use a different method from
> the libxml API. I've done it to save me redoing all the namespace
> handling, however it's apparent to me that if we wanted to expose more
> of the libxml api we will quickly start having a lot of duplicate code.
> I notice that refactoring existing code whilst adding new code is
> generally frowned upon, so once this patch is accepted I will look to
> refactor the xpath and xpath_exists function. I could even add an
> xpath_count method at the same time ;) .
>
> Thanks in advance for any and all feedback,

I have added this to the next commit-fest:

https://commitfest.postgresql.org/action/commitfest_view?id=6

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ None of us is going to be here forever. +