using explain to get query expected time

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От Scara Maccai
Тема using explain to get query expected time
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Msg-id 914297.26664.qm@web24608.mail.ird.yahoo.com
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Ответы Re: using explain to get query expected time
Список pgsql-general
Hi,

is there any chance to get the "Planner Cost Constants" right enough to get a "good" estimate in seconds of how long a
queryis supposed to run? 
The "rowcount" estimates are always good (there is no skew data at all in the db, values are pretty much "plain"
distributed)






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