| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
| Cc: | Amit Langote <amitlangote09(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, Beena Emerson <memissemerson(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, amul sul <sulamul(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
| Subject: | Re: [HACKERS] Runtime Partition Pruning |
| Date: | 2018-04-07 13:41:12 |
| Message-ID: | 20180407134112.t47gnrnzxakeppeb@alvherre.pgsql |
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| Lists: | pgsql-hackers |
David Rowley wrote:
> On 8 April 2018 at 01:18, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> > Amit had it as "indexes" also in his original. I wanted to avoid using
> > the "indexes" word alone, whose meaning is so overloaded.
>
> hmm, good point.
>
> > How about this?
> > "... which are then executed to produce a set of partitions (as indexes
> > of resultRelInfo->part_rels array) that satisfy the constraints in the
> > step".
>
> Works for me, but with RelOptInfo rather than resultRelInfo.
Oops, sorry about that. Pushed now, adding one line to
get_matching_partitions also.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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