Re: How to change query planner configuration paramerters
От | Raghavendra |
---|---|
Тема | Re: How to change query planner configuration paramerters |
Дата | |
Msg-id | CA+h6Ahhb6SyXt55YgsWmKOJkQ-opKpDHJv_rWJ_WejF=F+0GTw@mail.gmail.com обсуждение исходный текст |
Ответ на | How to change query planner configuration paramerters (Melaka Gunasekara <donmelaka@gmail.com>) |
Ответы |
Re: How to change query planner configuration paramerters
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Список | pgsql-admin |
postgres=# set enable_hashjoin to off;
SET
postgres=# show enable_hashjoin;
enable_hashjoin
-----------------
off
(1 row)
Above, changes applies for the current session (its Session-Level). If you want to do at Database-level use ALTER DATABASE and for entire Cluster-level edit postgresql.conf and do changes as per your requirement.
On Sun, Sep 18, 2011 at 2:55 PM, Melaka Gunasekara <donmelaka@gmail.com> wrote:
Hi all,I came across http://www.postgresql.org/docs/8.4/static/runtime-config-query.html which describeshow to change query planner configuration paramerters.I need to know how I can change these parameters.For example if I need to turn off enable_hashjoin, how can I do that?
Best Regards,Melaka
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