Re: [HACKERS] advanced partition matching algorithm for partition-wise join

Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>

From: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Ashutosh Bapat <ashutosh.bapat@2ndquadrant.com>, Jeff Janes <jeff.janes@gmail.com>, Etsuro Fujita <etsuro.fujita@gmail.com>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Mark Dilger <mark.dilger@enterprisedb.com>, amul sul <sulamul@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Thomas Munro <thomas.munro@gmail.com>, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>, Dmitry Dolgov <9erthalion6@gmail.com>, Antonin Houska <ah@cybertec.at>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2020-04-10T15:51:36Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Suppress unused-variable warning.

  2. Allow partitionwise joins in more cases.

  3. Avoid crash in partitionwise join planning under GEQO.

  4. Disable support for partitionwise joins in problematic cases.

  5. Add plan_cache_mode setting

  6. Add test for partitionwise join involving default partition.

  7. Revise API for partition_rbound_cmp/partition_rbound_datum_cmp.

Attachments

On Fri, Apr 10, 2020 at 9:14 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Ashutosh Bapat <ashutosh.bapat@2ndquadrant.com> writes:
> > On Fri, 10 Apr 2020 at 20:44, Jeff Janes <jeff.janes@gmail.com> wrote:
> >> In that case, we really should add the PG_USED_FOR_ASSERTS_ONLY to make
> >> the compiler happy.
>
> > Attaching my patch again. It doesn't need PG_USED_FOR_ASSERTS_ONLY as well.
> > Kuntal has confirmed that this fixes the warning for him.
>
> I see no patch here ...
>

Sorry. Here it is


-- 
Best Wishes,
Ashutosh Bapat