Re: [PATCH] Add XMLText function (SQL/XML X038)

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Chapman Flack <chap(at)anastigmatix(dot)net>
Cc: Vik Fearing <vik(at)postgresfriends(dot)org>, Jim Jones <jim(dot)jones(at)uni-muenster(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: [PATCH] Add XMLText function (SQL/XML X038)
Date: 2023-08-26 17:02:02
Message-ID: 20230826170202.hwzdopprhn62gfpf@alvherre.pgsql
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On 2023-Aug-25, Chapman Flack wrote:

> 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].

Sadly, all the projects seem to have been pretty much abandoned in the
meantime. Zorba has been dead for 9 years, xqilla for 6. Even XQC, the
API they claim to implement, is dead.

It sounds unlikely that there is *any* way forward here.

--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"El Maquinismo fue proscrito so pena de cosquilleo hasta la muerte"
(Ijon Tichy en Viajes, Stanislaw Lem)

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