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

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От Peter Smith
Тема Re: [HACKERS] logical decoding of two-phase transactions
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Msg-id CAHut+PsRXf-w+0O3AJmFY9cCQP814nzOdb=99-gZfrgyR=kB6A@mail.gmail.com
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Ответ на Re: [HACKERS] logical decoding of two-phase transactions  (vignesh C <vignesh21@gmail.com>)
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On Fri, Jul 30, 2021 at 3:18 PM vignesh C <vignesh21@gmail.com> wrote:
>
> On Fri, Jul 30, 2021 at 9:32 AM Peter Smith <smithpb2250@gmail.com> wrote:
> >
> > Please find attached the latest patch set v100*
> >
> > v99-0002 --> v100-0001
> >
> > Differences:
> >
> > * Rebased to HEAD @ today (needed because some recent commits [1][2] broke v99)
> >
>
> The patch applies neatly, tests passes and documentation looks good.
> A Few minor comments.
> 1) This blank line is not required:
> +-- two_phase and streaming are compatible.
> +CREATE SUBSCRIPTION regress_testsub CONNECTION
> 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect =
> false, streaming = true, two_phase = true);
> +
>

Fixed in v101.

> 2) Few points have punctuation mark and few don't have, we can make it
> consistent:
> +###############################
> +# Test 2PC PREPARE / ROLLBACK PREPARED.
> +# 1. Table is deleted back to 2 rows which are replicated on subscriber.
> +# 2. Data is streamed using 2PC
> +# 3. Do rollback prepared.
> +#
> +# Expect data rolls back leaving only the original 2 rows.
> +###############################
>

Fixed in v101.

> 3) similarly here too:
> +###############################
> +# Do INSERT after the PREPARE but before ROLLBACK PREPARED.
> +# 1. Table is deleted back to 2 rows which are replicated on subscriber.
> +# 2. Data is streamed using 2PC.
> +# 3. A single row INSERT is done which is after the PREPARE
> +# 4. Then do a ROLLBACK PREPARED.
> +#
> +# Expect the 2PC data rolls back leaving only 3 rows on the subscriber.
> +# (the original 2 + inserted 1)
> +###############################
>

Fixed in v101.

------
Kind Regards,
Peter Smith.
Fujitsu Australia



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