Remove (Language) ResultSet.getResultDescription() method
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                 Key: DERBY-3049
                 URL: https://issues.apache.org/jira/browse/DERBY-3049
             Project: Derby
          Issue Type: Improvement
          Components: SQL
            Reporter: Daniel John Debrunner
            Assignee: Daniel John Debrunner
            Priority: Minor


(Language) ResultSet.getResultDescription()  returns the ResultDescription of 
the top-level tree (ie. of the results that will be passed to the application) 
and thus is an attribute of the plan or activation. The ResultDescription is 
already available through the plan and activation.

Having this method of the ResultSet can lead to the assumption that it is the 
ResultDescription for that specific ResultSet, e.g. the shape of the results 
before any joins or projection. Note the main implementation of this method 
just calls activation.getResultDescription.

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