On 11/25/05, Rodrigo Madera <[EMAIL PROTECTED]> wrote:
> I have been reading all this technical talk about costs and such that
> I don't (_yet_) understand.
>
> Now I'm scared... what's the fastest way to do an equivalent of
> count(*) on a table to know how many items it has?
>
> Thanks,
> Rodrigo
>
you really *need* this?
you can do
SELECT reltuples FROM pg_class WHERE relname = 'your_table_name';
but this will give you an estimate... if you want real values you can
make a TRIGGER that maintain a counter in another table
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)
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