Re: Performance bug in prepared statement binding in 9.2?

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От Josh Berkus
Тема Re: Performance bug in prepared statement binding in 9.2?
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Msg-id 523120E9.6020300@agliodbs.com
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Ответ на Re: Performance bug in prepared statement binding in 9.2?  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Performance bug in prepared statement binding in 9.2?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-performance
> The explanation is in
> http://archives.postgresql.org/message-id/20130910132133.GJ1024477%40alap2.anarazel.de
>
> The referenced commit introduced a planner feature. Funnily you seem to
> have been the trigger for it's introduction ;)

Oh, crap, the "off the end of the index" optimization?

It's the story of our lives: we can't optimize anything without
deoptimizing something else.  Dammit.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


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