| From: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | Yuya Watari <watari(dot)yuya(at)gmail(dot)com> |
| Cc: | David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: [PoC] Reducing planning time when tables have many partitions |
| Date: | 2022-07-21 11:35:49 |
| Message-ID: | 0a562816-b198-05ba-454a-e04bb820ee22@postgrespro.ru |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 7/5/22 13:57, Yuya Watari wrote:
> On Mon, Jul 4, 2022 at 6:28 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Perhaps the bms_is_subset class could be handled in a similar
>> way, ie do a one-time pass to make a List of all EquivalenceMembers
>> that use a RelOptInfo.
>
> Thank you for giving your idea. I will try to polish up my algorithm
> based on your suggestion.
This work has significant interest for highly partitioned
configurations. Are you still working on this patch? According to the
current state of the thread, changing the status to 'Waiting on author'
may be better until the next version.
Feel free to reverse the status if you need more feedback.
--
Regards
Andrey Lepikhov
Postgres Professional
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Aleksander Alekseev | 2022-07-21 11:39:33 | Re: [PATCH v1] eliminate duplicate code in table.c |
| Previous Message | Alvaro Herrera | 2022-07-21 11:25:05 | Re: standby recovery fails (tablespace related) (tentative patch and discussion) |