LOBStreamControl.replaceBytes() leaves temporary files open
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                 Key: DERBY-3883
                 URL: https://issues.apache.org/jira/browse/DERBY-3883
             Project: Derby
          Issue Type: Bug
          Components: JDBC
    Affects Versions: 10.5.0.0
            Reporter: Knut Anders Hatlen
            Assignee: Knut Anders Hatlen
            Priority: Minor


I haven't seen any problems as a result of this, but the code that closes and 
deletes the old temporary file in LOBStreamControl.replaceBytes() looks wrong 
to me.

When replaceBytes() is called on a lob that has been materialized into a 
temporary file, it will create a new file and copy the relevant parts from the 
old file. But the old file is only closed and deleted if the block that is 
replaced ends before the last byte of the lob. I believe that the old file 
should be closed and deleted also when we replace a block that ends at or after 
the last byte of the original lob.

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