| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Notes about fixing regexes and UTF-8 (yet again) |
| Date: | 2012-02-24 00:10:31 |
| Message-ID: | 26174.1330042231@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On fre, 2012-02-17 at 10:19 -0500, Tom Lane wrote:
>> That's still a cache, you've just defaulted on your obligation to think
>> about what conditions require the cache to be flushed. (In the case at
>> hand, the trigger for a cache rebuild would probably need to be a glibc
>> package update, which we have no way of knowing about.)
> We basically hardwire locale behavior at initdb time, so computing this
> then and storing it somewhere for eternity would be consistent.
Well, only if we could cache every locale-related libc inquiry we ever
make. Locking down only part of the behavior does not sound like a
plan.
regards, tom lane
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