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From "Tiago R. Espinha (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4827) Modify the documentation for the 10.7 release regarding the UTF-8 CCSID manager
Date Thu, 30 Sep 2010 21:38:33 GMT
Modify the documentation for the 10.7 release regarding the UTF-8 CCSID manager
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                 Key: DERBY-4827
                 URL: https://issues.apache.org/jira/browse/DERBY-4827
             Project: Derby
          Issue Type: Bug
    Affects Versions: 10.7.0.0
            Reporter: Tiago R. Espinha


With the introduction of UTF-8 support in the client driver (DERBY-728), the documentation
regarding the length of the arguments (RDBNAM, USRID, etc) will become misleading.

On the list, Kathey has identified [1] one of such spots. Before releasing, we should try
to find any other occurrences and fix them accordingly. Please note that the UTF-8 is a variable
length encoding and as such, since we are maintaining the 255-byte length cap, the length
in characters will now be variable.

Regular ASCII characters still take 1 byte, Latin and other extended characters take 2 bytes,
Chinese characters take 3 bytes and some special characters take 4 bytes. [2]

[1] - http://old.nabble.com/Database-name-length-tt29691419.html

[2] - http://www.utf8-chartable.de/

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