From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: David Rowley <david.rowley@2ndquadrant.com>
Cc: Amit Langote <amitlangote09@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Cc: Jesper Pedersen <jesper.pedersen@redhat.com>
Cc: Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>
Cc: Beena Emerson <memissemerson@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: amul sul <sulamul@gmail.com>
Cc: pgsql-hackers@postgresql.org <pgsql-hackers@postgresql.org>
Cc: Dilip Kumar <dilipbalaut@gmail.com>
Subject: Re: [HACKERS] Runtime Partition Pruning
Date: Sat, 7 Apr 2018 10:41:12 -0300
Message-ID: <20180407134112.t47gnrnzxakeppeb@alvherre.pgsql> (raw)
In-Reply-To: <CAKJS1f8Q_RSoTFzeMqqzF9JPE6T=1J9cN_XD5Z2+ygGoiOPiSQ@mail.gmail.com>
David Rowley wrote:
> On 8 April 2018 at 01:18, Alvaro Herrera <alvherre@alvh.no-ip.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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To: pgsql-hackers@postgresql.org
Cc: alvherre@alvh.no-ip.org, david.rowley@2ndquadrant.com, amitlangote09@gmail.com, andres@anarazel.de, Langote_Amit_f8@lab.ntt.co.jp, jesper.pedersen@redhat.com, rajkumar.raghuwanshi@enterprisedb.com, memissemerson@gmail.com, robertmhaas@gmail.com, sulamul@gmail.com, dilipbalaut@gmail.com
Subject: Re: [HACKERS] Runtime Partition Pruning
In-Reply-To: <20180407134112.t47gnrnzxakeppeb@alvherre.pgsql>
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