Re: origins/destinations

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От Andy Colson
Тема Re: origins/destinations
Дата
Msg-id 4A131226.1040401@squeakycode.net
обсуждение исходный текст
Ответ на origins/destinations  (Carson Farmer <carson.farmer@gmail.com>)
Ответы Re: origins/destinations  (Andy Colson <andy@squeakycode.net>)
Re: origins/destinations  (John R Pierce <pierce@hogranch.com>)
Список pgsql-general
Carson Farmer wrote:
> Hi list,
>
> I have (what I thought was) a relatively simple problem, but my
> knowledge of sql is just not good enough to get this done:
>
> I have a table which is basically a number of individuals with both
> their origin and destination as columns (see Table 1). In this case,
> origins and destinations are the census area in which they and work.
> What I would like to do is generate an nxn matrix (preferably output to
> csv but I'll take what I can get), where origins are on the y axis, and
> destinations on the x axis (see Table 3).
>
<snip>

Would it have to be sql only?  I think this would be pretty easy in perl.

-Andy

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