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From: Chapman Flack <[email protected]>
To: Vik Fearing <[email protected]>
Cc: Jim Jones <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: [PATCH] Add XMLText function (SQL/XML X038)
Date: Fri, 25 Aug 2023 11:56:40 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On 2023-08-25 10:49, Vik Fearing wrote:
> I do not think this should be addressed in this patch because
> there are quite a lot of functions that need to handle this.

Indeed, as described in [0], we still largely provide the SQL/XML:2003
notion of a single XML datatype, not the distinguishable XML(DOCUMENT),
XML(CONTENT), XML(SEQUENCE) types from :2006 and later, which has a
number of adverse consequences for developers[1], and that wiki page
proposed a couple possible ways forward[2].

Regards,
-Chap


[0] https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL/XML_Standards
[1] 
https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL/XML_Standards#Obstacles_to_improving_conformance
[2] 
https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL/XML_Standards#Possible_ways_forward

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