From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
---|---|
To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
Cc: | Melih Mutlu <m(dot)melihmutlu(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Subscription statistics are not dropped at DROP SUBSCRIPTION in some cases |
Date: | 2023-06-17 09:44:51 |
Message-ID: | CAA4eK1JWPSXit2BU76LaBGvSCZmanLrzm64=4Uek6zoQqDXEXA@mail.gmail.com |
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On Tue, May 16, 2023 at 8:00 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Thu, May 11, 2023 at 5:12 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> >
>
> After thinking more about it, I realized that this is not a problem
> specific to HEAD. ISTM the problem is that by commit 7b64e4b3, we drop
> the stats entry of subscription that is not associated with a
> replication slot for apply worker, but we missed the case where the
> subscription is not associated with both replication slots for apply
> and tablesync. So IIUC we should backpatch it down to 15.
>
I agree that it should be backpatched to 15.
> Since in pg15, since we don't create the subscription stats at CREATE
> SUBSCRIPTION time but do when the first error is reported,
>
AFAICS, the call to pgstat_create_subscription() is present in
CreateSubscription() in 15 as well, so, I don't get your point.
--
With Regards,
Amit Kapila.
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