On 07/05/2009 12:59, Jasen Betts wrote:
> where lastlogin::date between '2009-05-01'::date and '2009-05-02'::date
>
> If you leave it uncast postgres will probably convert the lastlogin to
> a string and produce results other than that desired and proabaly
> take longer to do it too.
The OP was basing the query on a timestamp column, so I'd say Postgres
was casting everything to timestamp, with the results he reported.
Ray.
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Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland
rod@iol.ie
Galway Cathedral Recitals: http://www.galwaycathedral.org/recitals
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