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help / color / mirror / Atom feedFrom: John Naylor <[email protected]>
To: Chengpeng Yan <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Peter Geoghegan <[email protected]>
Subject: Re: tuple radix sort
Date: Wed, 26 Nov 2025 13:55:30 +0700
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On Wed, Nov 26, 2025 at 1:52 PM John Naylor <[email protected]> wrote:
> This made me think of something tangential: v4's common prefix
> skipping doesn't take into account that the upper 4 bytes can't
> matter. With a mix of positive and negative integers, I think it will
> do the radix sort on all 8 bytes of "datum1".
I accidentally edited out some context: The above is referring to SQL
"int" sort keys, i.e. 32-bit signed integers.
--
John Naylor
Amazon Web Services
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Subject: Re: tuple radix sort
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