Re: SELECT counts

In response to Tim Landscheidt :
> "A. Kretschmer" <andreas.kretschmer@schollglas.com> wrote:
>
> > [...]
> > test=*# select foo.status_v, count(myt.status_v) from myt right join (select unnest(array['I','P','X']) as
status_v)foo on foo.status_v=myt.status_v group by foo.status_v; 
>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >  status_v | count
> > ----------+-------
> >  X        |     0
> >  I        |     1
> >  P        |     2
> > (3 rows)
>
> You can also write this as "(VALUES ('I'), ('P'), ('X')) AS
> foo (status_v)" which I personally find more readable (con-
> stant vs. function).

You are right, thx.

Andreas
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Andreas Kretschmer
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