From: | Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
---|---|
To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
Cc: | "Drouvot, Bertrand" <bdrouvot(at)amazon(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "Schneider (AWS), Jeremy" <schnjere(at)amazon(dot)com> |
Subject: | Re: [bug] Logical Decoding of relation rewrite with toast does not reset toast_hash |
Date: | 2021-08-09 09:38:54 |
Message-ID: | CAFiTN-suMDbyfJbx4tg9_XmwGmVdna8XBt4AJVNA09RU+oXCww@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
On Mon, Aug 9, 2021 at 2:07 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> On Fri, Jul 9, 2021 at 12:22 PM Drouvot, Bertrand <bdrouvot(at)amazon(dot)com> wrote:
> >
> > Please find enclosed a patch proposal to:
> >
> > * Avoid the failed assertion on current master and generate the error message instead (should the code reach that stage).
> > * Reset the toast_hash in case of relation rewrite with toast (so that the logical decoding in the above repro is working).
> >
>
> I think instead of resetting toast_hash for this case why don't we set
> 'relrewrite' for toast tables as well during rewrite? If we do that
> then we will simply skip assembling toast chunks for the toast table.
> In make_new_heap(), we are calling NewHeapCreateToastTable() to create
> toast table where we can pass additional information (probably
> 'toastid'), if required to set 'relrewrite'. Additionally, let's add a
> test case if possible for this.
I agree with Amit, that setting relrewrite for the toast relation as
well is better as we can simply avoid processing the toast tuple as
well in such cases.
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com
From | Date | Subject | |
---|---|---|---|
Next Message | Drouvot, Bertrand | 2021-08-09 10:07:24 | Re: [bug] Logical Decoding of relation rewrite with toast does not reset toast_hash |
Previous Message | Suraj Khamkar | 2021-08-09 09:23:31 | Re: Tab completion for CREATE SCHEMAAUTHORIZATION |