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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