| From: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | 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>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Rafia Sabih <rafia(dot)sabih(at)enterprisedb(dot)com>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Partition-wise join for join between (declaratively) partitioned tables |
| Date: | 2017-10-09 06:05:24 |
| Message-ID: | CAFjFpRcPvT5ay9_p3e-k2Cwu4bW_rypON7ceJVWhsU3Uk4Nmmg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Oct 7, 2017 at 1:04 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> Committed. I hope that makes things less red rather than more,
> because I'm going to be AFK for a few hours anyway.
>
Here's the last patch, dealing with the dummy relations, rebased. With
this fix every join order of a partitioned join can be considered
partitioned. (This wasn't the case earlier when dummy relation was
involved.). So, we can allocate the child-join RelOptInfo array in
build_joinrel_partition_info(), instead of waiting for an appropriate
pair to arrive in try_partition_wise_join().
--
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Support-partition-wise-join-for-dummy-partitioned-re.patch | text/x-patch | 4.2 KB |
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