Re: let's make the list of reportable GUCs configurable (was Re: Add %r substitution for psql prompts to show recovery status)

From: Chapman Flack <chap(at)anastigmatix(dot)net>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: let's make the list of reportable GUCs configurable (was Re: Add %r substitution for psql prompts to show recovery status)
Date: 2019-10-11 20:41:20
Message-ID: ed76d00d-a234-bc88-70ca-3061a952e217@anastigmatix.net
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On 10/11/19 4:30 PM, Robert Haas wrote:

> But, if it does need to be changed, it seems like a terrible idea to
> allow it to be done via SQL. Otherwise, the user can break the driver
> by using SQL to set the list to something that the driver's not
> expecting, and there's nothing the driver can do to prevent it.

... unless there is something like a (perhaps more generally useful)
BECAUSE I HAVE :cookie AND I SAY SO clause.[1]

Regards,
-Chap

[1]
https://www.postgresql.org/message-id/59127E4E.8090705%40anastigmatix.net

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