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From "Kim Haase (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4827) Modify the documentation for the 10.7 release regarding the UTF-8 CCSID manager
Date Mon, 04 Oct 2010 13:36:35 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917597#action_12917597
] 

Kim Haase commented on DERBY-4827:
----------------------------------

Thanks, Tiago, for the okay, and Knut, for the additional information.

Committed patch DERBY-4827.diff to documentation trunk at revision 1004232. 

I'm not resolving the issue, since more changes are likely. 

> Modify the documentation for the 10.7 release regarding the UTF-8 CCSID manager
> -------------------------------------------------------------------------------
>
>                 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
>            Assignee: Kim Haase
>         Attachments: cadminappsclient.html, DERBY-4827.diff
>
>
> 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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