Re: once again, sorting with Unicode

JBJ <postgre@totw.org> writes:
> Furthermore I will have to be able to switch between is_IS and others to 
> get the correct sort order ( russian sort order different from icelandic 
> for example, simply due to the nature of the letters) live when the user 
> selects a different language.

Postgres can't do that at the moment :-(.  You might be able to hack up
some custom functions to do something likeORDER BY icelandic(text_col)
but it'll be messy, and probably slow.
        regards, tom lane