salim achouche created DRILL-6131:
-------------------------------------

             Summary: Create SchemaComparator to unify various comparison in a 
single utility
                 Key: DRILL-6131
                 URL: https://issues.apache.org/jira/browse/DRILL-6131
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Flow
            Reporter: salim achouche
            Assignee: salim achouche


[~amansinha100] and [~paul-rogers] recommended we create a common utility for 
performing schema comparisons (please refer to 
[DRILL-6129|https://issues.apache.org/jira/browse/DRILL-6129]); this has the 
following benefits:
 * Ease of maintenance as various schema comparisons semantics are coded and 
documented in a single place
 * Consumers from different class hierarchies can share this utility
 * Tests can be added to ensure the utility contracts 



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