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Re: xpath_array with namespaces support

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: nikolay(at)samokhvalov(dot)com
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-patches(at)postgresql(dot)org
Subject: Re: xpath_array with namespaces support
Date: 2007-04-22 13:29:20
Message-ID: 200704221329.l3MDTKN10471@momjian.us (view raw or flat)
Thread:
Lists: pgsql-patches
Thanks, added to queue.

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Nikolay Samokhvalov wrote:
> What's with this patch?
> I do not see it in unapplied patches list, neither it was commited...
> What we have now in CVS is not a good thing.
> 
> On 4/10/07, Nikolay Samokhvalov <samokhvalov(at)gmail(dot)com> wrote:
> > Here is new version that adds following changes:
> >   4. Function is now strict, per discussion.
> >   5. Return empty array in case when XPath expression detects nothing
> > (previously, NULL was returned in such case), per discussion.
> >   6. (bugfix) Work with fragments with prologue: select xpath('/a',
> > '<?xml version="1.0"?><a /><b />'); // now XML datum is always wrapped
> > with dummy <x>...</x>, XML prologue simply goes away (if any).
> >   7. Some cleanup.
> >
> > On 4/4/07, Nikolay Samokhvalov <nikolay(at)samokhvalov(dot)com> wrote:
> > > The patch attached contains following changes:
> > >    1. The function name xmlpath() is changed to xpath();
> > >    2. Approach of passing of namepspace mappings to the function is changed:
> > > now that array (the 3rd argument) should be a 2-dimentional array with the
> > > length of the second axis = 2 (e.g., ARRAY[ARRAY['a1', 'http://a1'],
> > > ARRAY['a2', 'http://a2'], ARRAY['a2', 'http://a2']]);
> > >    3. Description of xpath() function in docs (I'm sorry for possible
> > > mistakes in English and docbook formatting, please check it...)
> 
> -- 
> Best regards,
> Nikolay

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

  + If your life is a hard drive, Christ can be your backup. +

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