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-pg...@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.p...@n5.nabble.com>,gmb > > > <gmbou...@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? > > > > -- > > View this message in context: > > http://postgresql.1045698.n5.nabble.com/Usage-of-function-retruning-record-in-query-tp4549140p4550092.html > > Sent from the PostgreSQL - sql mailing list archive at Nabble.com. > > > > -- > > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) > > To make changes to your subscription: > > http://www.postgresql.org/mailpref/pgsql-sql > > -- > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-sql -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
