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help / color / mirror / Atom feedFrom: Robert Haas <[email protected]>
To: Richard Guo <[email protected]>
Cc: David Rowley <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Tender Wang <[email protected]>
Cc: Paul George <[email protected]>
Cc: Andy Fan <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Cc: [email protected]
Cc: Matheus Alcantara <[email protected]>
Subject: Re: Eager aggregation, take 3
Date: Wed, 8 Oct 2025 10:45:12 -0400
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On Tue, Oct 7, 2025 at 6:57 AM Richard Guo <[email protected]> wrote:
> > 10. I don't think this comment quite makes sense:
> >
> > * "apply_at" tracks the lowest join level at which partial aggregation is
> > * applied.
> >
> > maybe "minimum set of rels to join before partial aggregation can be applied"?
> I've updated the comment for apply_at to clarify that it refers to the
> relids at which partial aggregation is applied.
>
> I've also updated the comments within RelAggInfo to use one-line
> style.
>
> I retained the name of this field though.
For what it's worth, I also don't like that field name. I'm not sure
what to propose instead, but I don't think apply_at is very clear.
--
Robert Haas
EDB: http://www.enterprisedb.com
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Subject: Re: Eager aggregation, take 3
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