Richard Broersma Jr <rabroersma@xxxxxxxxx> writes:
> --- On Wed, 12/12/07, Medi Montaseri <montaseri@xxxxxxxxx> wrote:
>> based on your report, run time of OR is 0.275 ms and IN is
>> 0.314
>>
> postgres=# explain analyze select * from tellers where
>> bid in ('1','2');
> Two other options are:
> SELECT *
> FROM Tellers
> WHERE bin = ANY( '1', '2' );
Note that depending on which PG version you are testing, x IN (a,b,c)
is exactly equivalent to x=a OR x=b OR x=c (older versions), or to
x = ANY(ARRAYa,b,c]) (newer versions).
> SELECT T.*
> FROM Tellers AS T
> INNER JOIN ( VALUES ( '1' ), ( '2' ) ) AS B( bin )
> ON T.bin = B.bin;
I seriously doubt that one's gonna win ...
regards, tom lane
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TIP 6: explain analyze is your friend
