| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, ZeugswetterA(at)spardat(dot)at, phede-ml(at)islande(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Unicode combining characters |
| Date: | 2001-10-03 16:05:34 |
| Message-ID: | 200110031605.f93G5ZI29159@candle.pha.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
> Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
> > ... There seems some problems existing in the
> > implementation. Considering REGEX is not so slow, maybe we should
> > employ the same design as REGEX. i.e. using wide charcters, not
> > multibyte streams...
>
> Seems like a good thing to put on the to-do list. In the meantime,
> we still have the question of whether to enable multibyte in the
> default configuration. I'd still vote YES, as these results seem
> to me to demonstrate that there is no wide-ranging performance penalty.
> A problem confined to LIKE on long strings isn't a showstopper IMHO.
>
Added to TODO:
* Use wide characters to evaluate regular expressions, for performance
(Tatsuo)
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