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Re: UTF8MatchText

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-patches(at)postgresql(dot)org
Subject: Re: UTF8MatchText
Date: 2007-05-17 19:48:47
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Lists: pgsql-hackerspgsql-patches
Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> Tom Lane wrote:
>> Except that the entire point of this patch is to dumb down NextChar to
>> be the same as NextByte for UTF8 strings.

> That's not what I see in (what I think is) the latest submission, which 
> includes this snippet:

[ scratches head... ]  OK, then I think I totally missed what this patch
is trying to accomplish; because this code looks just the same as the
existing multibyte-character operations.  Where does the performance
improvement come from?

			regards, tom lane

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