Re: Column Filtering in Logical Replication

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От Amit Kapila
Тема Re: Column Filtering in Logical Replication
Дата
Msg-id CAA4eK1JaPT4CpjkMXRZf2zPG7DQC_zydvy-725Lm+5rcAJQHpg@mail.gmail.com
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Ответ на Re: Column Filtering in Logical Replication  (Rahila Syed <rahilasyed90@gmail.com>)
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On Mon, Sep 27, 2021 at 6:41 PM Rahila Syed <rahilasyed90@gmail.com> wrote:
>
>>
>>
>> I don't think there is one.  I think the latest is what I posted in
>> https://postgr.es/m/202109061751.3qz5xpugwx6w@alvherre.pgsql (At least I
>> don't see any reply from Rahila with attachments after that), but that
>> wasn't addressing a bunch of review comments that had been made; and I
>> suspect that Amit K has already committed a few conflicting patches
>> after that.
>>
> Yes, the v5 version of the patch attached by Alvaro is the latest one.
> IIUC, the review comments that are yet to be addressed apart from the ongoing grammar
> discussion, are as follows:
>
> 1. Behaviour on dropping a column from the table, that is a part of column filter.
> In the latest patch, the entire table is dropped from publication on dropping a column
> that is a part of the column filter. However, there is preference for another approach
> to drop just the column from the filter on DROP column CASCADE(continue to filter
> the other columns), and an error for DROP RESTRICT.
>

I am not sure if we can do this as pointed by me in one of the
previous emails [1]. I think additionally, you might want to take some
action if the replica identity is changed as requested in the same
email [1].

[1] - https://www.postgresql.org/message-id/CAA4eK1KCGF43pfLv8%2BmixcTMs%3DNkd6YdWL53LhiT1DvnuTg01g%40mail.gmail.com

-- 
With Regards,
Amit Kapila.



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