Re: select max(field) from table much faster with a group by clause?

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От Tom Lane
Тема Re: select max(field) from table much faster with a group by clause?
Дата
Msg-id 5504.1193929617@sss.pgh.pa.us
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Ответ на Re: select max(field) from table much faster with a group by clause?  (Palle Girgensohn <girgen@pingpong.net>)
Ответы Re: select max(field) from table much faster with a group by clause?  (Palle Girgensohn <girgen@pingpong.net>)
Re: select max(field) from table much faster with a group by clause?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
Список pgsql-performance
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Palle Girgensohn <girgen@pingpong.net> writes:
> Unfortunately, altering statistics doesn't help. I see no difference when
> altering the value from 10 (default) to 100, 1000 or 100000. :-(

Um, you did re-ANALYZE the table after changing the setting?

            regards, tom lane

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