Re: Overriding the optimizer - Mailing list pgsql-performance

From Jaime Casanova
Subject Re: Overriding the optimizer
Date
Msg-id c2d9e70e0512151800l5561fc04q7ee79593dcb4ea5c@mail.gmail.com
Whole thread Raw
In response to Re: Overriding the optimizer  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Responses Re: Overriding the optimizer
List pgsql-performance
On 12/15/05, Christopher Kings-Lynne <chriskl@familyhealth.com.au> wrote:
> >    select * from my_table     where row_num >= 50000 and row_num < 100000
> >     and myfunc(foo, bar);
>
> You just create an index on myfunc(foo, bar)
>
> Chris
>

only if myfunc(foo, bar) is immutable...

--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)

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