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

From Dave Cramer
Subject Re: let's make the list of reportable GUCs configurable (was Re: Add%r substitution for psql prompts to show recovery status)
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Msg-id CADK3HHLYODWpdSngdNCiH7S4=Exq7Kof00_t0oRjAJ6JTr+FQw@mail.gmail.com
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In response to Re: let's make the list of reportable GUCs configurable (was Re: Add%r substitution for psql prompts to show recovery status)  (Chapman Flack <chap@anastigmatix.net>)
Responses Re: let's make the list of reportable GUCs configurable (was Re: Add%r substitution for psql prompts to show recovery status)  (Chapman Flack <chap@anastigmatix.net>)
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On Fri, 11 Oct 2019 at 16:41, Chapman Flack <chap@anastigmatix.net> wrote:
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]


Correct me if I'm wrong but I'm pretty sure nothing in the protocol currently would allow this

While I see the utility at least for connection pools this does seem to be scope creep at the moment 

Dave


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