| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | Melanie Plageman <melanieplageman(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, David Rowley <dgrowley(at)gmail(dot)com> |
| Subject: | Re: Removing useless DISTINCT clauses |
| Date: | 2018-03-23 21:12:35 |
| Message-ID: | CAKJS1f9WTVS4QNgakS5HqWFKveCAtqds=Q63PKQ64jdZS_BT7A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 22 March 2018 at 18:58, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> On 21 March 2018 at 16:29, Melanie Plageman <melanieplageman(at)gmail(dot)com> wrote:
>> The new status of this patch is: Waiting on Author
>
> Thanks for reviewing this. I've attached an updated patch. I'll set
> back to waiting for review again.
I've attached another version of the patch. The only change is a
thinko in a comment which claimed it may be possible to do something
with DISTINCT ON clauses, but on further thought, I don't think that's
possible, so I've updated the comment to reflect my new thoughts.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| remove_useless_distinct_clauses_v5.patch | application/octet-stream | 12.3 KB |
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