| From: | Thomas Reiss <thomas(dot)reiss(at)dalibo(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Performance regression with PostgreSQL 11 and partitioning |
| Date: | 2018-06-26 14:46:32 |
| Message-ID: | ce1c4be9-bcf7-6b1c-bec9-3b48d49a869f@dalibo.com |
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| Lists: | pgsql-hackers |
Le 26/06/2018 à 16:43, Alvaro Herrera a écrit :
> On 2018-Jun-25, Tom Lane wrote:
>
>> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
>>> On 2018-Jun-18, David Rowley wrote:
>>>> I've attached a patch which cleans up my earlier version and moves the
>>>> setup of the append_rel_array into its own function instead of
>>>> sneaking code into setup_simple_rel_arrays(). I've also now updated
>>>> the comment above find_childrel_appendrelinfo(), which is now an
>>>> unused function.
>>
>>> I checked that this patch fixes the originally reported performance
>>> regression.
>>> Unless there are objections, I intend to push this patch tomorrow.
>>
>> If find_childrel_appendrelinfo is now unused, we should remove it.
>
> Agreed -- thanks for following up. Pushed that way.
Thanks Alvaro, Ashutosh and David.
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