| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: invalidly encoded strings |
| Date: | 2007-09-09 10:59:45 |
| Message-ID: | 20070909105945.GA11896@svana.org |
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| Lists: | pgsql-hackers pgsql-patches |
On Sun, Sep 09, 2007 at 12:02:28AM -0400, Andrew Dunstan wrote:
> . what do we need to do to make the verification code more efficient? I
> think we need to address the correctness issue first, but doing so
> should certainly make us want to improve the verification code. For
> example, I'm wondering if it might benefit from having a tiny cache.
It has been pointed out the the verification for UTF-8 is very
inefficient, involving several function calls to first get the length,
then check characters, etc. It could be significantly improved. I don't
know whether a cache would make any useful difference.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
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