Sorry, I don't have a useful answer but I have a similar question.
Along these same lines how does one access the discreet x,y components
of type 'point'?
On Mon, Jul 04, 2011 at 06:59:49AM -0700, gmb wrote:
>
> Harald Fuchs-10 wrote:
> > In article <1309762075448-4549140.post@n5.nabble.com>,gmb
> > <gmbouwer@gmail.com> writes:
> > SELECT itemid, (calcvalues(itemid)).* FROM itemlist
> >
>
> Thanks for the feedback, Harald.
>
> How about specifying different aliases to the resulting values?
> This will be handy when I use the same function multiple times in the same
> query.
> (the function will take another input parameters used in the calculations)
>
> E.g.:
> SELECT itemid, (calcvalues(itemid, '2011-06-06')).*, (calcvalues(itemid,
> '2011-06-07')).* FROM itemlist;
>
> itemid | calcval1 | calcval2 | calcval1 | calcval2
> --------+----------+----------+----------+----------
> 4 | 0.67 | 10.00 | 0.64 | 65.23
> 5 | 1.55 | 45.00 | 1.23 | 23.25
> 6 | 3.60 | 69.00 | 2.98 | 62.66
> How will I manage unique column names for this output?
>
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