| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reducing data type space usage |
| Date: | 2006-09-17 10:16:16 |
| Message-ID: | 20060917101616.GB14893@svana.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Sat, Sep 16, 2006 at 08:56:11PM +0100, Gregory Stark wrote:
[Re inet and cidr]
> Why are these varlena? Just for ipv6 addresses? Is the network mask length not
> stored if it's not present? This gives us a strange corner case in that ipv4
> addresses will *always* fit in the smallfoo data type and ipv6 *never* fit.
> Ie, we'll essentially end up with an ipv4inet and an ipv6inet. Sad in a way.
Eh? Either will always fit. ipv6 is 128 *bits* and the new varlena
header goes to 128 *bytes*. That should fit easily, no?
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Gregory Stark | 2006-09-17 10:17:37 | Re: Reducing data type space usage |
| Previous Message | Martijn van Oosterhout | 2006-09-17 10:05:38 | Re: [pgsql-www] Developer's Wiki |