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Posted to issues@arrow.apache.org by "Pindikura Ravindra (JIRA)" <ji...@apache.org> on 2019/06/18 06:00:00 UTC

[jira] [Created] (ARROW-5636) [C++][Gandiva] Expression cache should not use ToString on data type

Pindikura Ravindra created ARROW-5636:
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             Summary: [C++][Gandiva] Expression cache should not use ToString on data type
                 Key: ARROW-5636
                 URL: https://issues.apache.org/jira/browse/ARROW-5636
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Pindikura Ravindra


The expression cache in gandiva generates uses the ToString() method of arrow::DataType() for both hashing and equality.

This is error-prone - we should have a visitor for generating hash, and use the equality visitor for comparison.

[~fsaintjacques] [~praveenbingo] 



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