Re: Best way to index IP data?
От | Tom Lane |
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Тема | Re: Best way to index IP data? |
Дата | |
Msg-id | 28651.1200097150@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: Best way to index IP data? (Michael Stone <mstone+postgres@mathom.us>) |
Ответы |
Re: Best way to index IP data?
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Список | pgsql-performance |
Michael Stone <mstone+postgres@mathom.us> writes: > On Fri, Jan 11, 2008 at 03:07:38PM -0500, Tom Lane wrote: >> Nonsense. 3 bytes overhead on a 16-byte address is not "ridiculously >> bloated", especially if you want a netmask with it. > Big if, no? There's a very large set of users that *don't* want/need a > netmask, which is why the topic keeps coming back. (Also, according to > the docs, inet requires 24 bytes, which is 50% more than needed; is that > not correct?) It was correct, but not as of 8.3. Considering you could save a whole one byte by not storing the netmask (well, maybe more depending on alignment considerations), the complaint level is unjustified. regards, tom lane
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