Search Postgresql Archives

Re: Curious index selection when using a date range

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Scott Marlowe <scott.marlowe@xxxxxxxxx> writes:
> You might need to crank up the aggresiveness of auto-analyze, at least
> on that one table if not for the whole db.

This might be the same type of scenario Josh was complaining about:
http://archives.postgresql.org/pgsql-hackers/2009-12/msg02308.php
Inequality conditions near the end of a moving data range may not
get estimated very accurately, unless you analyze very often.

I'm fooling with a patch for that right now.

			regards, tom lane

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux