Re: [HACKERS] path toward faster partition pruning

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От David Rowley
Тема Re: [HACKERS] path toward faster partition pruning
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Msg-id CAKJS1f9EoepeCamvnu285qZSHLfAtgHDqGrVkOY5357thKAkkQ@mail.gmail.com
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Ответ на Re: [HACKERS] path toward faster partition pruning  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
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On 13 April 2018 at 14:15, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> wrote:
> On 2018/04/13 1:47, Robert Haas wrote:
>> On Wed, Apr 11, 2018 at 8:35 AM, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>>> Here's an idea.  Why don't we move the function/opclass creation lines
>>> to insert.sql, without the DROPs, and use the same functions/opclasses
>>> in the three tests insert.sql, alter_table.sql, hash_part.sql and
>>> partition_prune.sql, i.e. not recreate what are essentially the same
>>> objects three times?  This also leaves them around for the pg_upgrade
>>> test, which is not a bad thing.
>>
>> That sounds good, but maybe we should go further and move the
>> partitioning tests out of generically-named things like insert.sql
>> altogether and have test names that actually mention partitioning.
>
> Do you mean to do that for *all* files that have tests exercising some
> partitioning code, even if it's just one test?  I can see that tests in at
> least some of them could be put into their own partition_ file as follows:

Wouldn't it be best to just move hash partition tests into hash_part?
Leave all the other stuff where it is?

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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