Re: Large # of rows in query extremely slow, not using

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От Josh Berkus
Тема Re: Large # of rows in query extremely slow, not using
Дата
Msg-id 200409171040.18830.josh@agliodbs.com
обсуждение исходный текст
Ответ на Re: Large # of rows in query extremely slow, not using  (Stephen Crowley <stephen.crowley@gmail.com>)
Список pgsql-performance
Stephen,

> "  ->  Seq Scan on island_history  (cost=0.00..417867.13 rows=292274
> width=83) (actual time=346759.000..346759.000 rows=10 loops=1)"

Take a look at your row comparisons.   When was the last time you ran ANALYZE?

--
Josh Berkus
Aglio Database Solutions
San Francisco

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