RE: Optionally automatically disable logical replication subscriptions on error

From: "osumi(dot)takamichi(at)fujitsu(dot)com" <osumi(dot)takamichi(at)fujitsu(dot)com>
To: 'Masahiko Sawada' <sawada(dot)mshk(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, "wangw(dot)fnst(at)fujitsu(dot)com" <wangw(dot)fnst(at)fujitsu(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, "Smith, Peter" <peters(at)fast(dot)au(dot)fujitsu(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: RE: Optionally automatically disable logical replication subscriptions on error
Date: 2022-03-09 07:24:53
Message-ID: TYCPR01MB8373E595BCAC1FED7C84D14BED0A9@TYCPR01MB8373.jpnprd01.prod.outlook.com
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On Wednesday, March 9, 2022 9:58 AM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> On Tue, Mar 8, 2022 at 5:07 PM osumi(dot)takamichi(at)fujitsu(dot)com
> <osumi(dot)takamichi(at)fujitsu(dot)com> wrote:
> >
> > Kindly have a look at v30.
>
> Thank you for updating the patch. Here are some comments:
Hi, thank you for your review !

> + /*
> + * Allocate the origin name in long-lived context for error context
> + * message.
> + */
> + ReplicationOriginNameForTablesync(MySubscription->oid,
> + MyLogicalRepWorker->relid,
> + originname,
> + sizeof(originname));
> + apply_error_callback_arg.origin_name =
> MemoryContextStrdup(ApplyContext,
> +
> + originname);
>
> I think it's better to set apply_error_callback_arg.origin_name in the caller
> rather than in start_table_sync(). Apply workers set
> apply_error_callback_arg.origin_name there and it's not necessarily necessary
> to do that in this function.
OK. I made this origin_name logic back to the level of ApplyWorkerMain.

The new patch v31 is shared in [1].

[1] - https://www.postgresql.org/message-id/TYCPR01MB8373824855A6C4D2178027A0ED0A9%40TYCPR01MB8373.jpnprd01.prod.outlook.com

Best Regardfs,
Takamichi Osumi

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