Re: Asynchronous MergeAppend

Alexander Pyhalov <a.pyhalov@postgrespro.ru>

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From: Alexander Pyhalov <a.pyhalov@postgrespro.ru>

To: Pgsql Hackers <pgsql-hackers@postgresql.org>

Cc: Alena Rybakina <a.rybakina@postgrespro.ru>, Matheus Alcantara <matheusssilv97@gmail.com>

Date: 2026-03-02T06:44:46Z

Lists: pgsql-hackers

Attachments

v14-0001-mark_async_capable-subpath-should-match-subplan.patch (text/x-diff) patch v14-0001
v14-0002-MergeAppend-should-support-Async-Foreign-Scan-subpla.patch (text/x-diff) patch v14-0002
v14-0003-Common-infrastructure-to-MergeAppend-and-Append-node.patch (text/x-diff) patch v14-0003

Alexander Pyhalov писал(а) 2026-02-12 10:08:
> Alexander Pyhalov писал(а) 2025-12-30 22:04:
>> Matheus Alcantara писал(а) 2025-12-30 18:04:
>>> On Tue Dec 30, 2025 at 10:15 AM -03, Alexander Pyhalov wrote:
>>>> Looks good. What do you think about 
>>>> classify_matching_subplans_common()?
>>>> Should it stay where it is or should we hide it to
>>>> src/include/executor/execAppend.h ?
>>>> 
>>> Yeah, sounds better to me to move classify_matching_subplans_common 
>>> to
>>> execAppend.h since it very specific for the MergeAppend and Append
>>> execution. I've declared the function as static inline on 
>>> execAppend.h
>>> but I'm not sure if it's the best approach.
>>> 
>>> I've also wrote a proper commit message for this new version.
>> 
>> Looks good to me.
> 
> Hi.
> Rebased patches over fresh master.

Hi.
Rebased patches over fresh master.


-- 
Best regards,
Alexander Pyhalov,
Postgres Professional

Commits

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Handle interrupts while waiting on Append's async subplans
- af717317a04f 18.0 cited