Re: MERGE PARTITIONS and DEPENDS ON EXTENSION.

Matheus Alcantara <matheusssilv97@gmail.com>

From: "Matheus Alcantara" <matheusssilv97@gmail.com>
To: "Alexander Korotkov" <aekorotkov@gmail.com>
Cc: "Dmitry Koval" <d.koval@postgrespro.ru>, "pgsql-hackers" <pgsql-hackers@postgresql.org>
Date: 2026-04-22T10:53:04Z
Lists: pgsql-hackers
On Tue Apr 21, 2026 at 4:35 PM -03, Alexander Korotkov wrote:
>> > I've revised the patch.
>> > 1) collectPartitionIndexExtDeps() is rewritten().  Now it works in
>> > three phases: collect, sort, compare.  The comparison phase requires
>> > strict equivalence of dependencies and doesn't depend on the order.
>> > The complexity is now O(n * log(n)), which I think is acceptable.
>> > 2) PartitionIndexExtDepEntry struct now have indexOid.  So, on
>> > conflict error contains both partition index names.
>> > 3) Tests moved to
>> > src/test/modules/test_extensions/sql/test_extdepend.sql where
>> > test_ext3/test_ext5 extensions are available.
>> > 4) More tests for different scenarios.
>> >
>> > Could you, please, review this changes?
>> >
>>
>> I think that you miss to include the patch?
>
> Yep, here it is.
>

Thanks for the patch. It looks good to me, and I confirm that it fix the
issues that I miss on the previous version.

--
Matheus Alcantara
EDB: https://www.enterprisedb.com



Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Preserve extension dependencies on indexes during partition merge/split