| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Douglas Doole <dougdoole(at)gmail(dot)com> |
| Cc: | Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Push limit to sort through a subquery |
| Date: | 2017-08-21 18:43:05 |
| Message-ID: | CA+TgmobzYgTYCDzA8DrjJQ1jksFVRXTXewRyuS3JbTKFGV8ySg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Aug 18, 2017 at 4:08 PM, Douglas Doole <dougdoole(at)gmail(dot)com> wrote:
>> 4. I am pretty doubtful that "Memory: 25kB" is going to be stable
>> enough for us to want that output memorialized in the regression ...
>
> Fair enough. I wanted to be a bit more sophisticated in my check than
> looking for a single value so I worked out something that distills the
> explain down to the key elements.
Works for me. While I'm sure this won't eclipse previous achievements
in this area, it still seems worthwhile. So committed with one minor
change to shorten a long-ish line.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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