Re: Best way to index IP data?
От | Michael Stone |
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Тема | Re: Best way to index IP data? |
Дата | |
Msg-id | 20080111213204.GV5294@mathom.us обсуждение исходный текст |
Ответ на | Re: Best way to index IP data? ("D'Arcy J.M. Cain" <darcy@druid.net>) |
Ответы |
Re: Best way to index IP data?
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Список | pgsql-performance |
On Fri, Jan 11, 2008 at 03:19:35PM -0500, D'Arcy J.M. Cain wrote: >Besides, there are many cases where you want to track both ipv4 and >ipv6 for the same purpose and requiring two different fields would be >less than ideal. And, there are many cases where you don't. I've got two kinds of db's that have IPs in them. In some, the IP is a small part of a table which is focused on something else. For those I use inet, which provides a nice bit of future-proofing. In other db's the IPs are the primary focus. There are lots and lots of IPs, and the space used by IPs may be the largest chunk of a particular table. For those tables, I don't use inet because the overhead really is a significant fraction of the space. Mike Stone
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