Date: Mon, 4 Jul 2011 15:28:01 -0400
From: lists-pgsql@useunix.net
To: pgsql-sql@postgresql.org
Subject: Re: Usage of function retruning record in query
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Never mind, turns out you can do it with the array subscript operator. I
stumbled on to this by chance. I don't know if this is in the
documentation somewhere and I perhaps missed it?

On Mon, Jul 04, 2011 at 02:31:52PM -0400, lists-pgsql@useunix.net wrote:
> 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
> > > &lt;gmbouwer@gmail.com&gt; 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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> > 
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