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help / color / mirror / Atom feedFrom: Amit Kapila <[email protected]>
To: Masahiko Sawada <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: Drouvot, Bertrand <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Oh, Mike <[email protected]>
Subject: Re: [BUG] Logical replication failure "ERROR: could not map filenode "base/13237/442428" to relation OID" with catalog modifying txns
Date: Wed, 20 Jul 2022 08:41:21 +0530
Message-ID: <CAA4eK1LXpPnLEdTttCmMbw3bSnrn=k_58ZUDvx3zbAHLjgod2A@mail.gmail.com> (raw)
In-Reply-To: <CAD21AoCjfmuCRUpsn+nuqRuWW3gQCBdTKuYGYvYiwLVtpTQYSg@mail.gmail.com>
References: <[email protected]>
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On Tue, Jul 19, 2022 at 7:28 PM Masahiko Sawada <[email protected]> wrote:
>
> On Tue, Jul 19, 2022 at 9:25 PM Amit Kapila <[email protected]> wrote:
> >
> > On Tue, Jul 19, 2022 at 1:10 PM Masahiko Sawada <[email protected]> wrote:
> > >
> >
> > > BTW on backbranches, I think that the reason why we add
> > > initial_running_xacts stuff to ReorderBuffer is that we cannot modify
> > > SnapBuild that could be serialized. Can we add a (private) array for
> > > the initial running xacts in snapbuild.c instead of adding new
> > > variables to ReorderBuffer?
> > >
> >
> > While thinking about this, I wonder if the current patch for back
> > branches can lead to an ABI break as it changes the exposed structure?
> > If so, it may be another reason to change it to some other way
> > probably as you are suggesting.
>
> Yeah, it changes the size of ReorderBuffer, which is not good.
>
So, are you planning to give a try with your idea of making a private
array for the initial running xacts? I am not sure but I guess you are
proposing to add it in SnapBuild structure, if so, that seems safe as
that structure is not exposed.
> Changing the function names and arguments would also break ABI. So
> probably we cannot do the above idea of removing
> ReorderBufferInitialXactsSetCatalogChanges() as well.
>
Why do you think we can't remove
ReorderBufferInitialXactsSetCatalogChanges() from the back branch
patch? I think we don't need to change the existing function
ReorderBufferXidHasCatalogChanges() but instead can have a wrapper
like SnapBuildXidHasCatalogChanges() similar to master branch patch.
--
With Regards,
Amit Kapila.
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Subject: Re: [BUG] Logical replication failure "ERROR: could not map filenode "base/13237/442428" to relation OID" with catalog modifying txns
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