Re: Unicode combining characters

> Tatsuo Ishii <t-ishii@sra.co.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.

As I said, with a valid not anchored like expression the performance 
difference was substantial, even for shorter strings it was 37%. 
The test with "like 'aaa'" was not a good test case, and we should not 
deduce anything from that.

Andreas