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From "Anurag Shekhar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2694) org.apache.derby.impl.drda.DDMWriter uses wrong algorithm to avoid spliting varchar in the middle of a multibyte char.
Date Thu, 31 May 2007 07:20:15 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anurag Shekhar updated DERBY-2694:
----------------------------------

    Attachment: derby-2694-v2.diff

I have made minor modification in my patch so that it doesn't skips the last char if thats
the last byte of a multibyte char,

> org.apache.derby.impl.drda.DDMWriter uses wrong algorithm to avoid spliting varchar in
the middle of a multibyte char.
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2694
>                 URL: https://issues.apache.org/jira/browse/DERBY-2694
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server
>         Environment: all
>            Reporter: Anurag Shekhar
>            Assignee: Anurag Shekhar
>         Attachments: derby-2694-v2.diff, derby-2694.diff, TestProc.java, TestProc_TruncateRep.java
>
>
> org.apache.derby.impl.drda.DDMWriter uses wrong algorithm to avoid splitting varchar
in the middle of a multibyte char.
> When DMWriter finds that it has to split a varchar while sending it to client it checks
if the last byte is a part of a multibyte char and in case it is it tries to find the last
byte of previous char and sends only till that byte leaving rest of it for the next send.
> The code it uses is having a bug so it fails when the last byte its checking for is the
third byte of a char of 3 byte length.

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