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From: Julien Rouhaud <[email protected]>
To: Tom Lane <[email protected]>
Cc: Sami Imseih <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Christoph Berg <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: ma lz <[email protected]>
Subject: Re: query_id: jumble names of temp tables for better pg_stat_statement UX
Date: Tue, 25 Mar 2025 13:28:39 +0800
Message-ID: <Z-I_BybOhD0RGRuC@jrouhaud> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On Tue, Mar 25, 2025 at 01:17:22AM -0400, Tom Lane wrote:
> Julien Rouhaud <[email protected]> writes:
> > On Tue, Mar 25, 2025 at 12:32:05AM -0400, Tom Lane wrote:
> >> 2. Tools that are not entitled to set the value of the GUC are forced
> >> to be prepared to cope with any setting.  That can be anywhere from
> >> painful to impossible.
> 
> > Didn't that ship already sailed in pg14 when we allowed generating custom
> > query_id?
> 
> Up to a point, perhaps.  If I'm writing some kind of tool that digests
> pg_stat_statements results, I think I'm entitled to disregard the
> possibility that somebody is using a custom query_id that behaves in
> ways I'm not expecting --- or at least, fixing my code for that is
> their problem not mine.  But it's much harder to take that attitude
> for things that are built into core PG.

I see, that's fair.

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