Re: Using Views as Tables

Yes I know. That's the point.

On 9 Jan 2017 1:46 a.m., "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> wrote:

> On Sun, Jan 8, 2017 at 11:35 AM, David L <segedunum(at)actuaria(dot)co(dot)uk> wrote:
> > I agree that in theory this shouldn't happen as the query planner should
> be
> > intelligent enough to take the base query out of the equation all
> together,
> > but this happens on a server where there should be a plentiful supply of
> > memory (32GB) and little enough activity that table data should remain
> > cached.
>
> I'm not sure you understand the underlying method for views in postgresql.
>
> Select * from view;
>
> is literally changed into
>
> select * from (yourviewdef here).
>
> I.e. the query planner does NOTHING different for a select from a view
> than if you just run the query that makes the up the view by hand.
>