[jira] [Created] (CALCITE-4874) Add recursive digest helper method

[Will Noble (Jira)]

Will Noble created CALCITE-4874:
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             Summary: Add recursive digest helper method
                 Key: CALCITE-4874
                 URL: https://issues.apache.org/jira/browse/CALCITE-4874
             Project: Calcite
          Issue Type: Improvement
            Reporter: Will Noble


I often find myself having to visual compare long rel node trees while 
debugging. Having a helper method ready to generate the string will save time 
going through and manually copy-pasting and formatting each node.



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