Subject | Re: [Firebird-Architect] A Fresh Look at Collations |
---|---|
Author | Milan Babuskov |
Post date | 2010-06-21T15:33:20Z |
Sergey Mereutsa wrote:
select *
from atable
where SUBSTRING(vc1 FROM 2000 FOR 6) = 'Sergey'
...would be very slow. But how often do you really have to do stuff like
this on the server?
--
Milan Babuskov
==================================
The easiest way to import XML, CSV
and textual files into Firebird:
http://www.guacosoft.com/xmlwizard
==================================
> AWH> Why do you say UTF-8 is slow?Admittedly, doing something like...
>
> Because you can not count string length, for example, without walking
> it all - because each char in UTF8 (if we speak about it native
> representation) can be from 1 to 6 bytes length.
select *
from atable
where SUBSTRING(vc1 FROM 2000 FOR 6) = 'Sergey'
...would be very slow. But how often do you really have to do stuff like
this on the server?
--
Milan Babuskov
==================================
The easiest way to import XML, CSV
and textual files into Firebird:
http://www.guacosoft.com/xmlwizard
==================================