Re: MERGE PARTITIONS and DEPENDS ON EXTENSION.

From: Matheus Alcantara <matheusssilv97(at)gmail(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: Kirill Reshke <reshkekirill(at)gmail(dot)com>, Dmitry Koval <d(dot)koval(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: MERGE PARTITIONS and DEPENDS ON EXTENSION.
Date: 2026-04-22 11:42:23
Message-ID: 62f0b38a-a0e5-4056-9f9b-877a482fdb7c@gmail.com
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On 22/04/26 08:34, Alexander Korotkov wrote:
> On Wed, Apr 22, 2026 at 2:30 PM Matheus Alcantara
> <matheusssilv97(at)gmail(dot)com> wrote:
>> On 22/04/26 08:24, Alexander Korotkov wrote:
>>>>> +-- An index created directly on a partition has no parent in the partitioned
>>>>> +-- index tree; merge must ignore such indexes (they disappear with the old
>>>>> +-- partition).
>>>>> +CREATE INDEX part_extdep_3_extra_idx ON part_extdep_3(x);
>>>>> +ALTER TABLE part_extdep MERGE PARTITIONS (part_extdep_merged, part_extdep_3)
>>>>> + INTO part_extdep_merged2;
>>>>> +SELECT relname FROM pg_class
>>>>> +WHERE relname LIKE 'part_extdep_merged2%idx' ORDER BY relname;
>>>>
>>>> Looks like this test is also redundant? This does not test new DEPENDS ON logic.
>>>
>>> I've added the dependency on this index to check index disappears with
>>> its dependency. I think this would make this test more relevant.
>>>
>>> Kirill, Matheus, are you ok with these change?
>>>
>> It works for me.
>
> Thank you, pushed!
>

Thank you!

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

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