Re: returns setof rec... simple exampe doesn't work

Gauthier, Dave wrote:
>
>
> I’ll answer my own question...
>
>
> select * from myfunc();
>
>
> (dumb, dumb, dumb....)

If it makes you feel any better, it is a common mistake :)

Joshua D. Drake

>
>
>
> -dave
>
> * From: * pgsql-general-owner@postgresql.org
> [mailto:pgsql-general-owner@postgresql.org] *On Behalf Of *Gauthier, Dave
> *Sent:* Monday, July 09, 2007 4:07 PM
> *To:* pgsql-general@postgresql.org
> *Subject:* [GENERAL] returns setof rec... simple exampe doesn't work
>
>
>
> I’ve googled this one and tried everything (except the correct solution
> of course) until tears are starting to flow.  Please help.  Complete
> example below.  7.4.13 on suse-64 x86
>
>
>
>
>
>
>
> create table mytable (mystring varchar, myreal real);
>
> insert into mytable (mystring,myreal) values ('abc',1.23);
>
> insert into mytable (mystring,myreal) values ('def',4.56);
>
>
>
> create type myrec as (mystring varchar, myreal real);
>
>
>
> create or replace function myfunc() returns setof myrec as '
>
> declare
>
>   crec myrec;
>
> begin
>
>
>
>   for crec in select * from mytable loop
>
>     return next crec;
>
>   end loop;
>
>
>
>   return;
>
> end;
>
> ' language 'plpgsql';
>
>
>
>
>
> stdb=# select myfunc();
>
> ERROR:  set-valued function called in context that cannot accept a set
>
> CONTEXT:  PL/pgSQL function "myfunc" line 6 at return next
>
>
>


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