On 11/25/05, Rodrigo Madera <rodrigo.madera@xxxxxxxxx> 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 ;)
