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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: Matt Long <[email protected]>
Cc: Mark Frost <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
Date: Fri, 19 Sep 2025 15:23:22 -0400
Message-ID: <[email protected]> (raw)
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Matt Long <[email protected]> writes:
> I finally got around to testing your patch on a realistic data set. In
> short, the patch worked beautifully even with the division by 2 removed. In
> case it's helpful, the full write up of my investigation can be found at
> https://gist.github.com/mattlong/0617bec6e1cf5bc6b70c6c2951901df7
Thank you! I'm now inclined to keep the divisions by 2 (with comment
fixes).
regards, tom lane
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Subject: Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
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