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help / color / mirror / Atom feedFrom: Robert Haas <[email protected]>
To: Jeff Davis <[email protected]>
Cc: Danil Anisimow <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Comments on Custom RMGRs
Date: Fri, 17 May 2024 16:25:15 -0400
Message-ID: <CA+TgmoZS++BBdyWxFv6k-UhzX=MGsqd8mu_80Z646-T=jYgW2g@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
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On Fri, May 17, 2024 at 4:20 PM Jeff Davis <[email protected]> wrote:
> Regarding this particular change: the checkpointing hook seems more
> like a table AM feature, so I agree with you that we should have a good
> idea how a real table AM might use this, rather than only
> pg_stat_statements.
I would even be OK with a pg_stat_statements example that is fully
working and fully explained. I just don't want to have no example at
all. The original proposal has been changed twice because of
complaints that the hook wasn't quite useful enough, but I think that
only proves that v3 is closer to being useful than v1. If v1 is 40% of
the way to useful and v3 is 120% of the way to useful, wonderful! But
if v1 is 20% of the way to being useful and v3 is 60% of the way to
being useful, it's not time to commit anything yet. I don't know which
is the case, and I think if someone wants this to be committed, they
need to explain clearly why it's the first and not the second.
--
Robert Haas
EDB: http://www.enterprisedb.com
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To: [email protected]
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Subject: Re: Comments on Custom RMGRs
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