Re: Strange query plan

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От
Dmitry Teslenko
Тема
Re: Strange query plan
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Msg-id
91325fec0808140755v42a95803xda0b03f354fb35c3@mail.gmail.com
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Strange query plan "Dmitry Teslenko" <dteslenko@gmail.com>
Re: Strange query plan Peter Eisentraut <peter_e@gmx.net>
Re: Strange query plan "Dmitry Teslenko" <dteslenko@gmail.com>
Re: Strange query plan Martin Gainty <mgainty@hotmail.com>
Re: Strange query plan "Gauthier, Dave" <dave.gauthier@intel.com>
Re: Strange query plan "Igor Neyman" <ineyman@perceptron.com>
Re: Strange query plan "Dmitry Teslenko" <dteslenko@gmail.com>
Re: Strange query plan "Gauthier, Dave" <dave.gauthier@intel.com>
Re: Strange query plan "Scott Marlowe" <scott.marlowe@gmail.com>
Re: Strange query plan Thomas Burdairon <tburdairon@entelience.com>
Re: Strange query plan "Scott Marlowe" <scott.marlowe@gmail.com>
On Thu, Aug 14, 2008 at 18:47, Scott Marlowe  wrote:
> What does "explain analyze select.... (your query here)" have to say?
>
Expalin analyze says it makes sequential scan on a table table1.

On Thu, Aug 14, 2008 at 18:48, Gauthier, Dave  wrote:
> Try this...
>
> Set default_statistics_target to be 1000 in postgres.conf then reboot
> your pg server.  "Analyze" the table.  Try the query again.
>
> If that fails, drop the index on (field1, field3) and recreate the other
> way around (field3, field1).  Analyze again and try the query.
>
> -dave
I've altered query and swapped field1 and field3 there, in where statement.
Seems that order doesn't matter.

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Сообщение: Re: Strange query plan
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Сообщение: Re: Strange query plan
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