On Wed, Mar 24, 2021 at 3:59 PM houzj.f...@fujitsu.com
<houzj.f...@fujitsu.com> wrote:
>
> > I have incorporated all your changes and additionally made few more changes
> > (a) got rid of LogicalRepBeginPrepareData and instead used
> > LogicalRepPreparedTxnData, (b) made a number of changes in comments and
> > docs, (c) ran pgindent, (d) modified tests to use standard wait_for_catch
> > function and removed few tests to reduce the time and to keep regression
> > tests reliable.
>
> Hi,
>
> When reading the code, I found some comments related to the patch here.
>
>                                  * XXX Now, this can even lead to a deadlock 
> if the prepare
>                                  * transaction is waiting to get it logically 
> replicated for
>                                  * distributed 2PC. Currently, we don't have 
> an in-core
>                                  * implementation of prepares for distributed 
> 2PC but some
>                                  * out-of-core logical replication solution 
> can have such an
>                                  * implementation. They need to inform users 
> to not have locks
>                                  * on catalog tables in such transactions.
>                                  */
>
> Since we will have in-core implementation of prepares, should we update the 
> comments here ?
>

Fixed this in the latest patch posted by me. I have additionally
updated the docs to reflect the same.

-- 
With Regards,
Amit Kapila.


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