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help / color / mirror / Atom feedFrom: Tatsuro Yamada <[email protected]>
To: David Rowley <[email protected]>
Cc: Ashutosh Bapat <[email protected]>
Cc: [email protected]
Subject: Re: Add enable_groupagg GUC parameter to control GroupAggregate usage
Date: Fri, 20 Jun 2025 19:34:40 +0900
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Hi David,
>Typically, in the regression tests we've used enable_sort to force a
>HashAgg. There are certainly times when that's not good enough and you
>might also need to disabe enable_indexscan too, so I understand the
desire to add this GUC.
Thank you for the explanation.
I wasn't aware that enable_sort could be used to switch from GroupAgg
to HashAgg.
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Subject: Re: Add enable_groupagg GUC parameter to control GroupAggregate usage
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