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https://issues.apache.org/jira/browse/DERBY-4827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916918#action_12916918
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Kim Haase commented on DERBY-4827:
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It's not clear to me from the information here or in DERBY-728 exactly what
kinds of strings will have variable lengths. Kathey mentioned database names,
so would http://db.apache.org/derby/docs/dev/ref/rrefattrib17246.html need to
be changed? What about values of other properties? Paths? Apparently this
applies only to the client driver, not the embedded driver?
Currently, RDBNAM itself is mentioned only in an error message, and USRID is
not mentioned anywhere. So there is no explicit "documentation regarding the
length of the arguments (RDBNAM, USRID, etc)" .
It would be helpful to know what information in what manuals now needs fixing.
> 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
>
> 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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