Re: Union strange explain

Stephan  wrote:
> number of rows returned).  I think there was some question about
> whether it was safe to do that optimization (ie,
> is select * from (a union [all] b) where condition
> always the same as
>  select * from a where condition union [all]
>  select * from b where condition
> )

Yes but with a View the condition is always extern.
I'm understanding that I don't have any possibility to
optimize that view, I'm wrong ?


Ciao
Gaetano