| From: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Arseny Sher <a(dot)sher(at)postgrespro(dot)ru> |
| Subject: | Re: Removing unneeded self joins |
| Date: | 2019-08-05 11:24:52 |
| Message-ID: | 9aa6421b-fa8c-b578-6f18-0174c51f0884@postgrespro.ru |
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| Lists: | pgsql-hackers |
On 02/08/2019 04:54, Thomas Munro wrote:
> On Thu, Jun 27, 2019 at 6:42 PM Andrey Lepikhov
> <a(dot)lepikhov(at)postgrespro(dot)ru> wrote:
>> Version v.17 of the patch that fix the bug see in attachment.
>
> While moving this to the September CF, I noticed that it needs to be
> updated for the recent pg_list.h API changes.
The patch was updated:
1. Changes caused by pg_list.h API changes.
2. Fix the problem of joint clause_relids and required_relids changes [1].
3. Add eclass mentions of removed relation into the kept relation (field
eclass_indexes was introduced by commit 3373c71553).
[1]
https://www.postgresql.org/message-id/flat/5c21029d-81a2-c999-6744-6a898fcc9a19%40postgrespro.ru
--
Andrey Lepikhov
Postgres Professional
https://postgrespro.com
The Russian Postgres Company
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Remove-self-joins-v18.patch | text/x-patch | 67.6 KB |
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