Re: Allow streaming the changes after speculative aborts.

Dilip Kumar <dilipbalaut@gmail.com>

From: Dilip Kumar <dilipbalaut@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2021-06-29T07:27:06Z
Lists: pgsql-hackers
On Fri, Jun 25, 2021 at 12:24 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> Till now, we didn't allow to stream the changes in logical replication
> till we receive speculative confirm or the next DML change record
> after speculative inserts. The reason was that we never use to process
> speculative aborts but after commit 4daa140a2f it is possible to
> process them so we can allow streaming once we receive speculative
> abort after speculative insertion. See attached.
>
> I think this is a minor improvement in the logical replication of
> in-progress transactions. I have verified this for speculative aborts
> and it allows streaming once we receive the spec_abort change record.

Yeah, this improvement makes sense.  And the patch looks fine to me.

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com



Commits

  1. Allow streaming the changes after speculative aborts.

  2. Fix decoding of speculative aborts.