Horton

Re: PostgreSQL vs SQL/XML Standards

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Chapman Flack <chap@anastigmatix.net>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2018-10-25T13:56:18Z
Lists: pgsql-hackers 
On 2018-Oct-24, Chapman Flack wrote:

> Inspired by the wiki page on PostgreSQL vs SQL Standard in general,
> I have made another wiki page specifically about $subject. I hope
> this was not presumptuous, and invite review / comment. I have not
> linked to it from any other page yet.
> 
> https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL/XML_Standards

Wow, that's ... overwhelming.  (I do wonder if we should stop relying on
libxml2 and instead look for something supporting XQuery).

Would you review Markus Winand patch here?
https://postgr.es/m/8BDB0627-2105-4564-AA76-7849F028B96E@winand.at
I think doing that would probably point out a couple of ways in which
our XMLTABLE implementation is non-conformant, and then fixes it :-)
I've been unsure as to applying it to all branches since 10 or just to
master.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Improve documentation about our XML functionality

  2. Improve documentation about our XML functionality.

  3. Add volatile qualifier missed in commit 2e616dee9.

  4. Fix crash with old libxml2

  5. Fix minor deficiencies in XMLTABLE, xpath(), xmlexists()

  6. Fix the BY {REF,VALUE} clause of XMLEXISTS/XMLTABLE

  7. doc: Update README.links

  8. XPath fixes: