David Li created ARROW-12659:
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             Summary: [C++][Compute] Support 
SimplifyWithGuarantee(is_null(foo), invert(is_null(foo)))
                 Key: ARROW-12659
                 URL: https://issues.apache.org/jira/browse/ARROW-12659
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: David Li


Simplifying a predicate using is_null with a guarantee using invert(is_null()) 
doesn't lead to any simplification.

Once supported, tests should be added for Datasets to exercise row group 
filtering (and to generate the necessary clauses from statistics).



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