org.apache.derby.impl.drda.DDMWriter uses wrong algorithm to avoid spliting
varchar in the middle of a multibyte char.
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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
Assigned To: Anurag Shekhar
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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