| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
| Cc: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Beena Emerson <memissemerson(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] path toward faster partition pruning |
| Date: | 2018-02-07 13:47:18 |
| Message-ID: | CA+TgmoY1t42aQwgM8HeW=smg0TyoMYc38j5noZPxh5ddXqiyFw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Feb 7, 2018 at 8:37 AM, Ashutosh Bapat
<ashutosh(dot)bapat(at)enterprisedb(dot)com> wrote:
> While looking at the changes in partition.c I happened to look at the
> changes in try_partition_wise_join(). They mark partitions deemed
> dummy by pruning as dummy relations. If we accept those changes, we
> could very well change the way we handle dummy partitioned tables,
> which would mean that we also revert the recent commit
> f069c91a5793ff6b7884120de748b2005ee7756f. But I guess, those changes
> haven't been reviewed yet and so not final.
Well, if you have an opinion on those proposed changes, I'd like to hear it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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