Re: Increasing statistics results in worse estimates

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От Tom Lane
Тема Re: Increasing statistics results in worse estimates
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Msg-id 5540.1114783457@sss.pgh.pa.us
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Ответ на Increasing statistics results in worse estimates  (Shelby Cain <alyandon@yahoo.com>)
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Shelby Cain <alyandon@yahoo.com> writes:
> Increasing the statistics target on the city column
> and re-analyzing the table seems to make the
> correlation estimate better (shows about 0.5) but the
> row count estimates are thrown off by 2 orders of
> magnitude in some cases.

What did you increase it to, exactly?  Could we see the contents of
pg_stats for these two columns at both target settings?

            regards, tom lane

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