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From Daniel John Debrunner <...@debrunners.com>
Subject Re: How to use Unicode with derby ? does it supports unicode text ?
Date Tue, 15 Nov 2005 15:12:00 GMT
Mike Matrigali wrote:

> As Dan has said more details are necessary.  I have never
> seen any issues on the engine side with storing and retrieving
> unicode characters.  The only issues I have seen is using the
> proper jdbc interfaces correctly to insert and retrieve the
> data.
> 
> The store system
> uses a modified UTF8 encoding to store characters to disk, but
> that in no way should affect how users see the data when they
> retrieve it back.  The encoding preserves the exact unicode
> encoding, and will give it back exactly as it was input.  The
> UTF8 is merely a lossless encoding scheme to save some space
> on disk, and is completely hidden from all layers above the
> store.

There's also a test for this in derbyall, CharUTF8. Tests every Unicode
character is writtern and read successfully.

Dan.



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