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Re: [17] CREATE SUBSCRIPTION ... SERVER

Jeff Davis <pgsql@j-davis.com>

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From: Jeff Davis <pgsql@j-davis.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org
Date: 2023-08-31T16:50:45Z
Lists: pgsql-hackers 
On Wed, 2023-08-30 at 09:09 -0700, Jeff Davis wrote:
> Admittedly, I didn't complete the dummy-FDW approach, so perhaps it
> works out better overall. I can give it a try.

We need to hide the dummy FDW from pg_dump. And we need to hide it from
psql's \dew, because that's used in tests and prints the owner's name,
and the bootstrap superuser doesn't have a consistent name. But I
didn't find a good way to hide it because it doesn't have a schema.

The best I could come up with is special-casing by the name, but that
seems like a pretty bad hack. For other built-in objects, psql is
willing to print them out if you just specify something like "\dT
pg_catalog.*", but that wouldn't work here. We could maybe do something
based on the "pg_" prefix, but we'd have to retroactively restrict FDWs
with that prefix, which sounds like a bad idea.

Suggestions?

Regards,
	Jeff Davis

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.