| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Markus Wanner <markus(at)bluegap(dot)ch> |
| Cc: | Andreas Karlsson <andreas(at)proxel(dot)se>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Tom Dunstan <pgsql(at)tomd(dot)cc>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: IPv6 link-local addresses and init data type |
| Date: | 2016-06-02 22:14:22 |
| Message-ID: | 16351.1464905662@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Markus Wanner <markus(at)bluegap(dot)ch> writes:
> Given that a zone_id is a) highly system dependent and b) only ever
> meaningful for non-global addresses, I'm wondering what the use case for
> storing them is.
> I'm even wondering if 'fe80::1%1'::inet = 'fe80::1%2'::inet shouldn't
> simply yield true. After all, it's the same (non-global) address.
Surely not? If the zone_ids didn't mean anything, why would the concept
even exist? ISTM that what you've got there is two different addresses
neither of which is reachable from outside the given machine --- but
within that machine, they are different.
regards, tom lane
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