From: Paul Lambert <paul.lambert@autoledgers.com.au>
To: pgsql-sql@postgresql.org
Subject: Re: Extracting hostname from URI column
Date: Wed, 12 Sep 2007 12:03:07 +0800
Message-ID: <46E764FB.2070602@autoledgers.com.au> (raw)
In-Reply-To: <46E762B4.7080102@autoledgers.com.au>
References: <750084.67431.qm@web50306.mail.re2.yahoo.com>
<46E762B4.7080102@autoledgers.com.au>
Paul Lambert wrote:
>
> Just use distinct...
>
> test=# select distinct count(*),substring( href from '.*://([^/]*)' ) as
> domain from url group by domain order by domain;
OK so distinct was redundant there... it gives the same results without it.
AutoDRS=# select count(*) as occurances,substring( href from
'.*://([^/]*)' ) as domain from url group by domain order by occurances
desc,domain;
occurances | domain
------------+--------------------------
11 | www.google.com
4 | dictionary.reference.com
4 | texturizer.net
3 | devedge.netscape.com
3 | groups.google.com
2 | forums.mozillazine.org
2 | www.mozillazine.org
(7 rows)
--
Paul Lambert
Database Administrator
AutoLedgers
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To: pgsql-sql@postgresql.org
Cc: paul.lambert@autoledgers.com.au
Subject: Re: Extracting hostname from URI column
In-Reply-To: <46E764FB.2070602@autoledgers.com.au>
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