Re: High update activity, PostgreSQL vs BigDBMS
От | Joshua D. Drake |
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Тема | Re: High update activity, PostgreSQL vs BigDBMS |
Дата | |
Msg-id | 1168225799.724.0.camel@localhost.localdomain обсуждение исходный текст |
Ответ на | Re: High update activity, PostgreSQL vs BigDBMS ("Adam Rich" <adam.r@sbcglobal.net>) |
Ответы |
Re: High update activity, PostgreSQL vs BigDBMS
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Список | pgsql-performance |
On Sun, 2007-01-07 at 20:26 -0600, Adam Rich wrote: > I'm using 8.2 and using order by & limit is still faster than MAX() > even though MAX() now seems to rewrite to an almost identical plan > internally. Gonna need you to back that up :) Can we get an explain analyze? > Count(*) still seems to use a full table scan rather than an index scan. > There is a TODO out there to help this. Don't know if it will get done. Joshua D. Drake -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate
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