Re: Sharing aggregate states between different aggregate functions

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От David Rowley
Тема Re: Sharing aggregate states between different aggregate functions
Дата
Msg-id CAKJS1f86DVFj1S-ikSfppve5GqF5AWjUiZgvS=xydwj-82Tkmw@mail.gmail.com
обсуждение исходный текст
Ответ на Sharing aggregate states between different aggregate functions  (David Rowley <david.rowley@2ndquadrant.com>)
Ответы Re: Sharing aggregate states between different aggregate functions  (Heikki Linnakangas <hlinnaka@iki.fi>)
Re: Sharing aggregate states between different aggregate functions  (Haribabu Kommi <kommi.haribabu@gmail.com>)
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On 15 June 2015 at 12:05, David Rowley <david.rowley@2ndquadrant.com> wrote:

This basically allows an aggregate's state to be shared between other aggregate functions when both aggregate's transition functions (and a few other things) match
There's quite a number of aggregates in our standard set which will benefit from this optimisation.


After compiling the original patch with another compiler, I noticed a couple of warnings.

The attached fixes these.

Regards

David Rowley 

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 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services
 
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