As far as I can tell it can't be done.
"Mage" <mage(at)mage(dot)hu> wrote in message news:4281F845(dot)5040005(at)mage(dot)hu(dot)(dot)(dot)
> Hello,
>
> how can I return setof rows in plpython language?
>
> I read the manual and couldn't find.
>
> Mage
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
> joining column's datatypes do not match
>