Re: [HACKERS] logical decoding of two-phase transactions

On Mon, Sep 28, 2020 at 1:13 PM Ajin Cherian <itsajin(at)gmail(dot)com> wrote:
>
> On Wed, Sep 23, 2020 at 2:39 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> I have added a new patch for supporting 2 phase commit semantics in
> the streaming APIs for the logical decoding plugins. I have added 3
> APIs
> 1. stream_prepare
> 2. stream_commit_prepared
> 3. stream_abort_prepared
>
> I have also added the support for the new APIs in test_decoding
> plugin. I have not yet added it to pgoutpout.
>
> I have also added a fix for the error I saw while calling
> ReorderBufferCleanupTXN as part of FinishPrepared handling. As a
> result I have removed the function I added earlier,
> ReorderBufferCleanupPreparedTXN.
>

Can you explain what was the problem and how you fixed it?

> Please have a look at the new changes and let me know what you think.
>
> I will continue to look at:
>
> 1. Remove snapshots on prepare truncate.
> 2. Bug seen while abort of prepared transaction, the prepared flag is
> lost, and not able to make out that it was a previously prepared
> transaction.
>

And the support of new APIs in pgoutput, right?

--
With Regards,
Amit Kapila.