Re: Disabling case sensitivity

That's a problem, because I building
a UNICODE text database and planning case insensitive
search.
Shoul all case insensitive search be
delivered to PHP or other scripting language?

ktt

--- igor <linux_211(at)hotmail(dot)com> wrote:
> > > Can't you use something like
> > >
> > > SELECT from table where
> tolower(username)='good';
> >
> > If you want sometimes case-sensitive comparison
> and sometimes not, it
> > is a good solution (the PostgreSQL extension ILIKE
> is another). But if
> > you want to "disable case-sensitivity", you risk
> that some
> > applications forget the call to tolower().
> Therefore, I prefer to
> > create a trigger which will force the field to
> lowercase before
> > INSERTing it. (The problem of my solution is that
> it is no longer
> > case-preserving.)
> >
> > CREATE FUNCTION force_lower_case() RETURNS OPAQUE
> > AS 'BEGIN
> > NEW.name = lower(NEW.name);
> > RETURN NEW;
> > END;'
> > LANGUAGE PLPGSQL;
> >
> > -- Domain names are only in US-ASCII (so no locale
> problems) and are
> > -- case-insensitive. If you want to record the
> original case, add a
> > -- new field.
> > CREATE TRIGGER force_lower_case
> > BEFORE INSERT ON Domains
> > FOR EACH ROW
> > EXECUTE PROCEDURE force_lower_case();
> >
> This is not gonna to work for me. I can't to use
> ILIKE or something
> like that because the program is already written
> ,and I can't change
> the code. There must to be some way how to
> completely disable all
> case-sensitivity from the server without change the
> code, no?
>
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> broadcast)---------------------------
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>
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