Re: Binary support for pgoutput plugin

Dave Cramer <davecramer@gmail.com>

From: Dave Cramer <davecramer@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: David Fetter <david@fetter.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2019-06-04T22:32:23Z
Lists: pgsql-hackers
On Tue, 4 Jun 2019 at 18:08, Andres Freund <andres@anarazel.de> wrote:

> Hi,
>
> On 2019-06-05 00:05:02 +0200, David Fetter wrote:
> > Would it make sense to work toward a binary format that's not
> > architecture-specific? I recall from COPY that our binary format is
> > not standardized across, for example, big- and little-endian machines.
>
> I think you recall wrongly. It's obviously possible that we have bugs
> around this, but output/input routines are supposed to handle a
> endianess independent format. That usually means that you have to do
> endianess conversions, but that doesn't make it non-standardized.
>

Additionally there are a number of drivers that already know how to handle
our binary types.
I don't really think there's a win here. I also want to keep the changes
small .

Dave

Commits

  1. Weaken type-OID-matching checks in array_recv and record_recv.

  2. Fix construction of updated-columns bitmap in logical replication.

  3. Allow logical replication to transfer data in binary format.

  4. Phase 2 pgindent run for v12.