From: gmb <gmbouwer@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: Usage of function retruning record in query
Date: Mon, 4 Jul 2011 06:59:49 -0700 (PDT)
Message-ID: <1309787989162-4550092.post@n5.nabble.com> (raw)
In-Reply-To: <868vseduyv.fsf@mgm.protecting.net>
References: <1309762075448-4549140.post@n5.nabble.com>
<868vseduyv.fsf@mgm.protecting.net>
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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Cc: gmbouwer@gmail.com
Subject: Re: Usage of function retruning record in query
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