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https://issues.apache.org/jira/browse/CALCITE-6701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis updated CALCITE-6701:
-----------------------------------------
    Fix Version/s:     (was: 1.39.0)

> Refactor the data type in the filter structure in the Arrow adapter
> -------------------------------------------------------------------
>
>                 Key: CALCITE-6701
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6701
>             Project: Calcite
>          Issue Type: Improvement
>          Components: arrow-adapter
>    Affects Versions: 1.38.0
>            Reporter: Caican Cai
>            Priority: Major
>
> The data type of the filter structure in the current arrow is represented by 
> a string. Perhaps we can try to use the structure that comes with Calcite to 
> represent these data types, such as RelDataType



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