Re: Support ALTER SUBSCRIPTION ... ADD/DROP PUBLICATION ... syntax

On Tue, 26 Jan 2021 at 11:47, japin <japinli(at)hotmail(dot)com> wrote:
> Hi, hackers
>
> When I read the discussion in [1], I found that update subscription's publications
> is complicated.
>
> For example, I have 5 publications in subscription.
>
> CREATE SUBSCRIPTION mysub1 CONNECTION 'host=localhost port=5432 dbname=postgres'
> PUBLICATION mypub1, mypub2, mypub3, mypub4, mypub5;
>
> If I want to drop "mypub4", we should use the following command:
>
> ALTER SUBSCRIPTION mysub1 SET PUBLICATION mypub1, mypub2, mypub3, mypub5;
>
> Also, if I want to add "mypub7" and "mypub8", it will use:
>
> ALTER SUBSCRIPTION mysub1 SET PUBLICATION mypub1, mypub2, mypub3, mypub5, mypub7, mypub8;
>
> Attached implement ALTER SUBSCRIPTION ... ADD/DROP PUBLICATION ... syntax, for the above
> two cases, we can use the following:
>
> ALTER SUBSCRIPTION mysub1 DROP PUBLICATION mypub4;
>
> ALTER SUBSCRIPTION mysub1 DROP PUBLICATION mypub7, mypub8;
>
> I think it's more convenient. Any thoughts?
>
> [1] - https://www.postgresql.org/message-id/MEYP282MB16690CD5EC5319FC35B2F78AB6BD0%40MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM

Sorry, I forgot to attach the patch.

--
Regrads,
Japin Li.
ChengDu WenWu Information Technology Co.,Ltd.