Re: [19] CREATE SUBSCRIPTION ... SERVER

Álvaro Herrera <alvherre@kurilemu.de>

From: Álvaro Herrera <alvherre@kurilemu.de>
To: Jeff Davis <pgsql@j-davis.com>, Amit Kapila <amit.kapila16@gmail.com>
Cc: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>, Shlok Kyal <shlok.kyal.oss@gmail.com>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, Joe Conway <mail@joeconway.com>, "L. pgsql-hackers" <pgsql-hackers@postgresql.org>
Date: 2026-03-18T18:01:43Z
Lists: pgsql-hackers

Attachments

On 2026-Mar-18, Álvaro Herrera wrote:

> On 2026-03-17, Jeff Davis wrote:
> 
> > Then we have to invent a deep copy for the Subscription, and we've
> > already seen that the FreeSubscrpition() method was not being
> > maintained properly.
> 
> Maybe another possibility would be to use a separate memory context
> for each subscription, initially making it a child of the transaction
> context, and then reparenting it as appropriate.

I mean something like this on top of your 0003.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"I love the Postgres community. It's all about doing things _properly_. :-)"
(David Garamond)

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Document new catalog columns, missed in commit 8185bb5347.

  2. Refactor to remove ForeignServerName().

  3. GetSubscription(): use per-object memory context.

  4. Fix dependency on FDW's connection function.

  5. ALTER SUBSCRIPTION ... SERVER test.

  6. Fix pg_dump for CREATE FOREIGN DATA WRAPPER ... CONNECTION.

  7. Clean up postgres_fdw/t/010_subscription.pl.

  8. CREATE SUBSCRIPTION ... SERVER.

  9. Allow upgrades to preserve the full subscription's state.