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Re: Proposal - improve eqsel estimates by including histogram bucket numdistinct statistics - Mailing list pgsql-hackers

From Gregory Stark
Subject Re: Proposal - improve eqsel estimates by including histogram bucket numdistinct statistics
Date
Msg-id 87prqpmwbg.fsf@oxford.xeocode.com
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In response to Re: Proposal - improve eqsel estimates by including histogram bucket numdistinct statistics  (Zeugswetter Andreas OSB sIT <Andreas.Zeugswetter@s-itsolutions.at>)
Responses Re: Proposal - improve eqsel estimates by including histogram bucket numdistinct statistics  (Zeugswetter Andreas OSB sIT <Andreas.Zeugswetter@s-itsolutions.at>)
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"Zeugswetter Andreas OSB sIT" <Andreas.Zeugswetter@s-itsolutions.at> writes:

> I think for low ndistinct values we will want to know the exact
> value + counts and not a bin. So I think we will want additional stats rows
> that represent "value 'a1' stats".

Isn't that what our most frequent values list does?

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