Paul Lambert wrote:
Paul Lambert wrote:
chester c young wrote:
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs.
substring( href from '.*://\([^/]*)' );
Ok, your solution looks better than mine... but I
On Mon, Sep 17, 2007 at 12:18:56AM +0100, Gregory Stark wrote:
Not all countries break up their national tld space into sections like .co.uk
or .com.au. Canadian domains can be bought directly under .ca like amazon.ca.
I think you'll have to store a specific list of tlds and how deep you
Paul Lambert wrote:
chester c young wrote:
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs.
substring( href from '.*://\([^/]*)' );
Ok, your solution looks better than mine... but I have no idea how to
Paul Lambert [EMAIL PROTECTED] writes:
What would be the best way to do something like that? I assume it won't be a
simple regex like the above due to the country codes on the end of some
domains. My thought is look at the last portion of the domain, if it's 2
characters long then assume it's
Paul Lambert wrote:
Andrej Ricnik-Bay wrote:
Plain regex The key are the parenthesis () ...
basically it will omit ANYTHING + two slashes at the beginning
of a string. Then it will match everything BUT a slash, and as
much of that as possible since regex are greedy by default
(hence
Hi,
I'm trying to use substr() and position() functions to extract the full host
name (and later a domain) from a column that holds URLs.
This is what I'm trying, but it clearly doesn't do the job.
= select substr(href, position('://' in href)+3, position('://' in
href)+3+position('/' in
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs.
substring( href from '.*://\([^/]*)' );
Pinpoint customers who
[EMAIL PROTECTED] wrote:
Hi,
I'm trying to use substr() and position() functions to extract the full host
name (and later a domain) from a column that holds URLs.
This is what I'm trying, but it clearly doesn't do the job.
= select substr(href, position('://' in href)+3, position('://' in
chester c young wrote:
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs.
substring( href from '.*://\([^/]*)' );
Ok, your solution looks better than mine... but I have no idea how to
interpret that, time to
Andrej Ricnik-Bay wrote:
Plain regex The key are the parenthesis () ...
basically it will omit ANYTHING + two slashes at the beginning
of a string. Then it will match everything BUT a slash, and as
much of that as possible since regex are greedy by default
(hence the host name he was
]
To: [EMAIL PROTECTED]
Cc: sql pgsql pgsql-sql@postgresql.org
Sent: Tuesday, September 11, 2007 8:42:46 PM
Subject: Re: [SQL] Extracting hostname from URI column
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs
I'm trying to use substr() and position() functions to extract the
full host name (and later a domain) from a column that holds URLs.
substring( href from '.*://\([^/]*)' );
typo: no backslash in front of left paren
substring( href from '.*://([^/]*)' )
match up thru //
within
[EMAIL PROTECTED] wrote:
And what I'd like is something that would give me the counts for the number of
occurrences of each unique hostname. Something much like `uniq -c'. Can
anyone tell me how that's done or where I should look for info? (I'm not sure
what to look for, that's the
And what I'd like is something that would give me the counts for the
number of occurrences of each unique hostname. Something much like
`uniq -c'. Can anyone tell me how that's done or where I should look
for info? (I'm not sure what to look for, that's the problem).
select substring(
!
Otis
- Original Message
From: [EMAIL PROTECTED] [EMAIL PROTECTED]
To: pgsql-sql@postgresql.org
Sent: Tuesday, September 11, 2007 11:16:15 PM
Subject: Re: [SQL] Extracting hostname from URI column
Hi,
Thanks, perfect! (though I'll have to look into the regex warning):
= select substring
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(
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