Re: IP regex

Jamie McCarthy <[email protected]>
Newsgroups gmane.comp.db.mysql.perl
Message-ID <r02010400-1035-E98988CD2BBE11D98E86000A95959922@[192.168.0.159]>
[email protected] (Vladimir V. Kolpakov) writes:

> On Sun, Oct 31, 2004 at 02:02:26PM -0500, Michael Stassen wrote:
> > Then you store an IP using INET_ATON(IP) and retrieve it with
> > INET_NTOA(ip_column).  That takes 4 bytes instead of 8 to 16
> 
> It's very common mistake, -- to think integer occupies in
> databases 4 bytes. Please look DESC on your table, and you can
> find it takes 11 bytes, because is stored in character form.

You misunderstand the output of DESCRIBE.  INT is stored in 4 bytes.
The "(11)" is the display width, which doesn't really affect anything
done through the perl interface.
-- 
  Jamie McCarthy
 http://mccarthy.vg/
  [email protected]

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