Hello
I was making a reay dumb database.
just to play.
Its an agenda. I set 2 tables thus far, one for people with unique attribs to each people (birth, address and the like) and one for phones, since some people have more than one, or cell phones, etc.

I wanted to make a query of name,birth date and phones, and have them grouped by name (so the name appeared only once) to get something like

somebody  |xxx-yyyy| mm-dd-yyyy
          |xxx-yyyy|
somebody  |xxx-yyyy| mm-dd-yyyy
else      |        |

But i guess its not possible right now?
I did install the headers too, so i was just wondering if i could write an aggregate function to concatenate any type. In the docs, its not listed, and there are only aggregate functions that opperate on numbers.

If you can point me as to where to start looking to do some coding server side on it, i would appreciate that.

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Thu, 7 Feb 2002 22:40:04 -0600
David Eduardo Gomez Noguera <davidgn@servidor.unam.mx>
aggregate functions only for numbers?
David Eduardo Gomez Noguera <davidgn@servidor.unam.mx> writes:
> I wanted to make a query of name,birth date and phones, and have them
> grouped by name (so the name appeared only once) to get something like

You could probably do what you want with a custom aggregate.  This is
discussed in the mail list archives, and I think there is an article
about it on techdocs.postgresql.org.

			regards, tom lane

Fri, 08 Feb 2002 00:11:01 -0500
Tom Lane <tgl@sss.pgh.pa.us>
Re: aggregate functions only for numbers? 