> > Add new configure option "--enable-uniconv" that enables automatic
> > code conversion between Unicode and other encodings. Note that
> > this option requires --enable-multibyte also.
> > The reason why this is optional is that the feature requires huge
> > mapping tables and I don't think every user need the feature.
>
> Can you explain what this does? Does it mean frontends can use Unicode as
> their character set?
Yes. Here are some examples:
(1) both backend/frontend uses Unicode(actually UTF-8)
$ createdb -E unicode unicode
$ psql unicode
[some sessions follow using UTF-8] : :
Note that this is not a new functionality as opposite to (2), (3).
(2) backend is ISO8859-2 but frontend is UNICODE
$ createdb -E LATIN2 latin2
$ psql latin2
\encoding UNICODE
[some sessions follows using UTF-8] : :
Note that if you type in a wrong ISO8859-2 character that could not be
converted to UTF-8, you would get notices something like:
NOTICE: local_to_utf: could not convert (0x00b4) LATIN2 to UTF-8. Ignored
(3) backend is Unicode but frontend is ISO8859-2
$ createdb -E unicode unicode
$ psql unicode
\encoding LATIN2
[some sessions follow using ISO8859-2] : :
Same note above...
--
Tatsuo Ishii