Re: Postgres seems to use indexes in the wrong order

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От Adrian Klaver
Тема Re: Postgres seems to use indexes in the wrong order
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Msg-id 54C2E695.1020703@aklaver.com
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Ответ на Postgres seems to use indexes in the wrong order  (Tim Uckun <timuckun@gmail.com>)
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On 01/22/2015 11:04 PM, Tim Uckun wrote:
> Take a look at this explain
>
> http://explain.depesz.com/s/TTRN

I maybe missing it, but I do not see the actual query.
>
> The final number of records is very small but PG is starting out with a
> massive number of records and then filtering most of them out.
>
> I don't want to really force pg to always use the same index because in
> some cases this strategy would win but I am wondering if there is
> anything I need to do in order to get the planner to make better decisions.
>
> I already did an analyze on the table.


--
Adrian Klaver
adrian.klaver@aklaver.com


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