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Re: Columns correlation and adaptive query optimization - Mailing list pgsql-hackers

From Konstantin Knizhnik
Subject Re: Columns correlation and adaptive query optimization
Date
Msg-id 1b0b854c-29cb-1440-5d2d-45ad5c2c6c9f@postgrespro.ru
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In response to Re: Columns correlation and adaptive query optimization  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
Responses Re: Columns correlation and adaptive query optimization
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New version of patch implicitly adding multicolumn statistic in 
auto_explain extension and using it in optimizer for more precise 
estimation of join selectivity.
This patch fixes race condition while adding statistics and restricts 
generated statistic name to fit in 64 bytes (NameData).

-- 
Konstantin Knizhnik
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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