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Re: Memory-Bounded Hash Aggregation - Mailing list pgsql-hackers

From Adam Lee
Subject Re: Memory-Bounded Hash Aggregation
Date
Msg-id 20191205035013.GB1345@mars.local
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In response to Re: Memory-Bounded Hash Aggregation  (Jeff Davis <pgsql@j-davis.com>)
Responses Re: Memory-Bounded Hash Aggregation  (Jeff Davis <pgsql@j-davis.com>)
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On Wed, Dec 04, 2019 at 06:55:43PM -0800, Jeff Davis wrote:
> 
> Thanks very much for a great review! I've attached a new patch.

Hi,

About the `TODO: project needed attributes only` in your patch, when
would the input tuple contain columns not needed? It seems like anything
you can project has to be in the group or aggregates.

-- 
Melanie Plageman & Adam

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