Re: [HACKERS] Partition-wise join for join between (declaratively) partitioned tables

From: Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>
To: Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>
Cc: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>, Rafia Sabih <rafia(dot)sabih(at)enterprisedb(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] Partition-wise join for join between (declaratively) partitioned tables
Date: 2018-06-06 06:01:39
Message-ID: CAKcux6mKmU7EZ0tFvErbv2WrcW3h3Qd9FE0UXxHoQNv0YQBP8Q@mail.gmail.com
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On Wed, Jun 6, 2018 at 9:21 AM, Ashutosh Bapat <
ashutosh(dot)bapat(at)enterprisedb(dot)com> wrote:

> On Wed, Jun 6, 2018 at 8:11 AM, Thomas Munro
> <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> > On Mon, Mar 5, 2018 at 8:13 PM, Rajkumar Raghuwanshi
> > <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com> wrote:
> >> On Wed, Feb 7, 2018 at 2:00 PM, Ashutosh Bapat
> >> Changed partition-wise statement to partitionwise.
> >> Attached re-based patch.
> >>
> >>> The patch looks good to me. I don't think we can reduce it further.
> >>> But we need some tests to test PWJ with default partitions. Marking
> >>> this as ready for committer.
> >
> > Hi Rajkumar,
> >
> > partition_join ... FAILED
> >
>
Thanks Thomas for patch review.

That made my heart stop for fraction of a second. I thought, something
> happened which caused partition_join test fail in master. But then I
> realised you are talking about Rajkumar's patch and test in that
> patch. I think it's better to start a separate thread discussing his
> patch, before I loose my heart ;)

Yeah, that would be better.

here is the new thread with updated patch.
https://www.postgresql.org/message-id/CAKcux6ky5YeZAY74qSh-ayPZZEQchz092g71iXXbC0%2BE3xoscA%40mail.gmail.com

Thanks & Regards,
Rajkumar Raghuwanshi
QMG, EnterpriseDB Corporation

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