Message-ID: <62f0b38a-a0e5-4056-9f9b-877a482fdb7c@gmail.com>
Date: Wed, 22 Apr 2026 08:42:23 -0300
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Subject: Re: MERGE PARTITIONS and DEPENDS ON EXTENSION.
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Kirill Reshke <reshkekirill@gmail.com>,
 Dmitry Koval <d.koval@postgrespro.ru>,
 pgsql-hackers <pgsql-hackers@postgresql.org>
References: 
 <CALdSSPjXtzGM7Uk4fWRwRMXcCczge5uNirPQcYCHKPAWPkp9iQ@mail.gmail.com>
 <31d04a1b-c0cb-4e6f-a344-0db048a3b673@gmail.com>
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 <414c3430-77a9-438e-9dc0-c66033f6be63@postgrespro.ru>
 <DHURZGPYE4B4.2XG5GT4TQ72U4@gmail.com>
 <CAPpHfdvQSmRAHu1BRTVcvgons_Smt0QW+mLP4np=QxG==WyFAg@mail.gmail.com>
 <DHYV404JC894.P813UU2Y36L1@gmail.com>
 <CAPpHfds2NsGvpi4fK-xBDk9S=ZY8FEsG-a3z7m_cRSJhn5GKvQ@mail.gmail.com>
 <271ebb35-8d8f-41c3-9d95-5c1e5b416216@gmail.com>
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 <CALdSSPi9GE8jnLCA4aUP2F5_ax6W9Ccfh_ja0iY6wkX2uUyzDw@mail.gmail.com>
 <CAPpHfdua=Epad8j4z+xH_85RYVZ+FPuK=nPKBgh7Ky+PM4umag@mail.gmail.com>
 <ba3bef38-76db-46e7-bb22-5260207fb86d@gmail.com>
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From: Matheus Alcantara <matheusssilv97@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@gmail.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