Re: [HACKERS] [PATCH] Push limit to sort through a subquery - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [HACKERS] [PATCH] Push limit to sort through a subquery
Date
Msg-id CA+TgmobzYgTYCDzA8DrjJQ1jksFVRXTXewRyuS3JbTKFGV8ySg@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Douglas Doole <dougdoole@gmail.com>)
Responses Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Michael Paquier <michael.paquier@gmail.com>)
Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Fri, Aug 18, 2017 at 4:08 PM, Douglas Doole <dougdoole@gmail.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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