Re: Missing docs for new enable_group_by_reordering GUC
От | Pavel Borisov |
---|---|
Тема | Re: Missing docs for new enable_group_by_reordering GUC |
Дата | |
Msg-id | CALT9ZEHjf_ub6qory48WRA615OPJx+PLDweCpnNycHPKZpu0kQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Missing docs for new enable_group_by_reordering GUC (Alexander Korotkov <aekorotkov@gmail.com>) |
Ответы |
Re: Missing docs for new enable_group_by_reordering GUC
|
Список | pgsql-hackers |
Hi, Alexander!
On Wed, 19 Jun 2024 at 05:27, Alexander Korotkov <aekorotkov@gmail.com> wrote:
On Tue, Jun 18, 2024 at 4:14 PM Pavel Borisov <pashkin.elfe@gmail.com> wrote:
>> Controls if the query planner will produce a plan which will provide <literal>GROUP BY</literal> keys presorted in the order of keys of a child node of the plan, such as an index scan. When disabled, the query planner will produce a plan with <literal>GROUP BY</literal> keys only reordered to match
>> the <literal>ORDER BY</literal> clause, if any. When enabled, the planner will try to produce a more efficient plan. The default value is on.
> A correction of myself: presorted -> sorted, reordered ->sorted
Thank you for your review. I think all of this make sense. Please,
check the revised patch attached.
To me patch v3 looks good.
Regards,
Pavel Borisov
Supabase
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