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  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

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


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