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https://issues.apache.org/jira/browse/ARROW-5636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pindikura Ravindra updated ARROW-5636:
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Component/s: C++ - Gandiva
> [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
> Components: C++ - Gandiva
> Reporter: Pindikura Ravindra
> Priority: Major
>
> 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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