| From: | Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru> |
|---|---|
| To: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
| Cc: | 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: | 2019-05-13 16:21:24 |
| Message-ID: | 9b226ea2-bce0-90b2-9909-7964b7f353f7@postgrespro.ru |
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| Lists: | pgsql-hackers |
On 3/25/19 18:13, Alexander Kuzmenkov wrote:
>
> Please see the attached v15.
>
I won't be able to continue working on this because I'm changing jobs.
My colleague Arseny Sher is probably going to take over.
Here is a v16 that is a rebased v12, plus renames from v15, plus a
couple of bug fixes (use bms_is_empty instead of a NULL check, and
properly create a NullTest clause when replacing "X = X").
--
Alexander Kuzmenkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Remove-self-joins-v16.patch | text/x-patch | 65.8 KB |
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