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From: Ashutosh Bapat <[email protected]>
To: Jeff Davis <[email protected]>
Cc: [email protected]
Subject: Re: [17] CREATE SUBSCRIPTION ... SERVER
Date: Thu, 31 Aug 2023 10:59:03 +0530
Message-ID: <CAExHW5sAo4Gv3AwuxQNGSQ2Z45B8_MZEb-SG-B8D-hLMdrquAg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CAExHW5vv-78ixJs3arsuZ+12A4AyqehJnDPhejp0m4FAKG6JZA@mail.gmail.com>
	<[email protected]>

On Wed, Aug 30, 2023 at 9:00 PM Jeff Davis <[email protected]> wrote:
>
> On Wed, 2023-08-30 at 19:11 +0530, Ashutosh Bapat wrote:
> > Are you suggesting that SERVERs created with FDW can not be used as
> > publishers?
>
> Correct. Without that, how would the subscription know that the FDW
> contains valid postgres connection information? I suppose it could
> create a connection string out of the options itself and do another
> round of validation, is that what you had in mind?

The server's FDW has to be postgres_fdw. So we have to handle the
awkward dependency between core and postgres_fdw (an extension). The
connection string should be created from options itself. A special
user mapping for replication may be used. That's how I see it at a
high level.

-- 
Best Wishes,
Ashutosh Bapat

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