Make scan Qualifiers smart enough to handle comparisons between columns in the 
same row
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         Key: DERBY-619
         URL: http://issues.apache.org/jira/browse/DERBY-619
     Project: Derby
        Type: Improvement
    Reporter: Rick Hillegas


Right now we can push the following restriction fragment into the Store: "col < 
CONSTANT". It would be good if we could also push "col1 < col2" into the Store. 
Same goes for =, !=, >, etc..

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