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

Etsuro Fujita <etsuro.fujita@gmail.com>

From: Etsuro Fujita <etsuro.fujita@gmail.com>

To: amul sul <sulamul@gmail.com>

Cc: Robert Haas <robertmhaas@gmail.com>, Thomas Munro <thomas.munro@gmail.com>, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>, 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: 2019-11-01T10:28:29Z

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 →

Suppress unused-variable warning.
- 401418ca6a68 13.0 landed
Allow partitionwise joins in more cases.
- c8434d64ce03 13.0 landed
Avoid crash in partitionwise join planning under GEQO.
- 7ad6498fd5a6 12.0 cited
- d70c147fa217 11.3 cited
Disable support for partitionwise joins in problematic cases.
- 7cfdc77023ad 12.0 cited
Add plan_cache_mode setting
- f7cb2842bf47 12.0 cited
Add test for partitionwise join involving default partition.
- 4513d3a4be0b 12.0 cited
Revise API for partition_rbound_cmp/partition_rbound_datum_cmp.
- b0229235564f 11.0 landed

Attachments

Improve-partition-matching-for-partitionwise-joins-v25.patch (application/octet-stream) patch v25

On Thu, Oct 31, 2019 at 6:49 PM Etsuro Fujita <etsuro.fujita@gmail.com> wrote:
> Attached is an updated version.  If no objections, I'll merge this
> with the main patch [1].

Done.  Attached is a new version of the patch.

Other changes: in generate_matching_part_pairs(), I changed variable
names to match other functions, simplified assertions, and
adjusted/added comments a bit.

Will continue to review.

Best regards,
Etsuro Fujita