| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Rahila Syed <rahilasyed90(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com> |
| Subject: | Re: Column Filtering in Logical Replication |
| Date: | 2022-03-14 12:47:10 |
| Message-ID: | CAA4eK1JgMJvNGVzAiGMC0zz4bKiCpwSp7E1aO9FSRf0nK2+7ZA@mail.gmail.com |
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On Mon, Mar 14, 2022 at 5:42 PM Tomas Vondra
<tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>
> On 3/14/22 12:12, houzj(dot)fnst(at)fujitsu(dot)com wrote:
> > On Monday, March 14, 2022 5:08 AM Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>
> Anyway, the fix does not address tablesync, as explained in [1]. I'm not
> sure what to do about it - in principle, we could calculate which
> relations to sync, and then eliminate "duplicates" (i.e. relations where
> we are going to sync an ancestor).
>
As mentioned in my previous email [1], this appears to be a base code
issue (even without row filter or column filter work), so it seems
better to deal with it separately. It has been reported separately as
well [2] where we found some similar issues.
[1] - https://www.postgresql.org/message-id/CAA4eK1LSb-xrvGEm3ShaRA%3DMkdii2d%2B4vqh9DGPvVDA%2BD9ibYw%40mail.gmail.com
[2] - https://www.postgresql.org/message-id/OS0PR01MB5716DC2982CC735FDE388804940B9@OS0PR01MB5716.jpnprd01.prod.outlook.com
--
With Regards,
Amit Kapila.
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