Tom, this last message finally turned me into the right direction
thank you once again
Tom Hermann
-----Ursprüngliche Nachricht-----
Von: Tom Lane [mailto:tgl@sss.pgh.pa.us]
Gesendet: Dienstag, 30. November 2004 19:05
An: Thomas Hermann(Software)
Betreff: Re: AW: [NOVICE] views with parameters
> My experience with the function although (in 8.0 beta) is,
> that it returns not the same data a the view would return.
> It returns a comma separated text string, although the requested data is
> presented.
There's a difference between "select foo()" and "select * from foo()".
The first returns a single composite column.
regards, tom lane