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Re: Sorting street addresses

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Richard Poole <rp(at)guests(dot)deus(dot)net>
Cc: PostgreSQL <pgsql-general(at)postgresql(dot)org>
Subject: Re: Sorting street addresses
Date: 2004-10-28 21:55:41
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
Richard Poole wrote:
> On Thu, Oct 28, 2004 at 03:36:00PM -0400, Robert Fitzpatrick wrote:
>>I would like all those on the same street grouped together. Is there any
>>tricks to getting the street names sorted first, possibly where numbers
>>and strings separate?
> You could do something like
> CREATE FUNCTION streetname(text) RETURNS text AS '
> 	SELECT substring($1 FROM ''[a-zA-Z ]+$'')
> and then add an ORDER BY streetname(address) to your select.

You could also add a function index that would help speed things along.


Joshua D. Drake

> Richard
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