Re: [PATCH] Fix ALTER SYSTEM empty string bug for GUC_LIST_QUOTE parameters

From: Andreas Karlsson <andreas(at)proxel(dot)se>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrei Klychkov <andrew(dot)a(dot)klychkov(at)gmail(dot)com>
Cc: Jim Jones <jim(dot)jones(at)uni-muenster(dot)de>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: [PATCH] Fix ALTER SYSTEM empty string bug for GUC_LIST_QUOTE parameters
Date: 2025-11-04 17:12:43
Message-ID: 7b2cf326-72bc-4681-89a1-c8347f9c32f8@proxel.se
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On 11/4/25 5:58 PM, Tom Lane wrote:
> Hearing no further comments, I'm going to go ahead with v6.

Honestly none of the alternatives is very appealing and v6 is probably
the least bad.

When I ran into this issue I thought about adding and EMPTY keyword (we
do not want more keywords) or adding support for specifying array
literals like this [] or [a, b], but that would be confusing since
postgresql.conf does not allow any such syntax.

Andreas

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