Re: PG_DIAG_SEVERITY and a possible bug in pq_parse_errornotice()

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Jakob Egger <jakob(at)eggerapps(dot)at>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PG_DIAG_SEVERITY and a possible bug in pq_parse_errornotice()
Date: 2016-08-26 17:05:45
Message-ID: 20160826170545.GA316209@alvherre.pgsql
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Tom Lane wrote:

> So far as I can find, the attached is all we need to do to introduce a
> new message field. (This patch doesn't address the memory-context
> questions, but it does fix the localization-driven failure demonstrated
> upthread.)
>
> Any objections? Anyone want to bikeshed the field name? I considered
> PG_DIAG_SEVERITY_NONLOCALIZED and PG_DIAG_SEVERITY_ENGLISH before settling
> on PG_DIAG_SEVERITY_ASCII, but I can't say I'm in love with that.

I didn't review the patch, but +1 on the idea. As for the name, I think
ASCII is the wrong thing (as many labels in other languages can be in
ascii too). I vote for NONLOCALIZED.

I see character "s" is already taken in the protocol; that would be my
first preference rather than A. How about Z?

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

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