Re: [Firebird-net-provider] UNICODE_FSS Character set question

[Carlos G. A. <car...@te...>]

Hello:

> [warning, long post]
> Ive understood same that Interbase(Firebird) has used
> UTF-8 as an internal UNICODE_FSS charset. Dont know
> why they named it so weird.
> 
> About ISO8859-1 charset:
> This is what we use here in up north if unicode
> charset is not available. It has scandinavian letters
> as an extended ascii codes. ALT+0228 gives me "ä"
> character in Notepad.
> 
> BUT it's not UTF-8 equalent where "ä" letter is
> represented with two bytes. Here is Win2k Notepad UTF8
> file from hexeditor: 
> EB BB BF C3 A4 where EBBBBF is a unicode BOM-marker.
> So, C3A4 represents "ä" character in UTF-8 format.
> 
> I can run tomorrow few tests with greek and cyrillic
> letters. They definitely should not work with
> ISO8859-1 encoding.
> Greek: ΨΩΪ
> Cyrillic: ЗИЙ
> Scandinavian: åäö
> 
> I will download Jaybird jdbc driver and test it
> against the same testdb as well.

Great !! do not forget to comment the results :), and if you need help 
with the net provider tests write to the list or to my private email.

> What happens if database is UNICODE_FSS and
> connectionStr does not provide a charset parameter. Is
> it _server_ that does all the conversion and most
> likely will fall to default ISO8859-1 if nothing is
> provided?

It will use NONE for connect to the firebird server and strings will be 
encoded/decoded using Encoding.Default.






-- 
Best regards

Carlos Guzmán Álvarez
Vigo-Spain