Re: SELECT counts

In response to Tim Landscheidt :
> "A. Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)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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