Date: Fri, 31 May 2019 16:04:38 -0400
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Chapman Flack <chap@anastigmatix.net>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: PostgreSQL vs SQL/XML Standards
Message-ID: <20190531200438.GA26307@alvherre.pgsql>
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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.

In the SQL Standards session at the Unconference, I found out that the
committee produced this technical report in 2011:
https://www.iso.org/standard/41528.html "XQuery Regular Expression
Support in SQL"; it furthers our lack of support for XQuery in our
implementation SQL/XML.  That content is probably relevant for this
topic, even if we cannot do much about it.

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