Re: Notes about fixing regexes and UTF-8 (yet again)

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От Robert Haas
Тема Re: Notes about fixing regexes and UTF-8 (yet again)
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Msg-id CA+TgmoY1wXqtuHaq+T1M-2MsU=w4c7wpiVg1SzJVQVT-dqZjZw@mail.gmail.com
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Ответ на Re: Notes about fixing regexes and UTF-8 (yet again)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Notes about fixing regexes and UTF-8 (yet again)  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Fri, Feb 17, 2012 at 10:19 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> What if you did this ONCE and wrote the results to a file someplace?
>
> That's still a cache, you've just defaulted on your obligation to think
> about what conditions require the cache to be flushed.

Yep.  Unfortunately, I don't have a good idea how to handle that; I
was hoping someone else did.

> Before going much further with this, we should probably do some timings
> of 64K calls of iswupper and friends, just to see how bad a dumb
> implementation will be.

Can't hurt.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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