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https://issues.apache.org/jira/browse/ARROW-13568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZMZ91 updated ARROW-13568:
--------------------------
Description: support null data type for gandiva (was: * add a gandiva udf
{{rex}} to extract all named groups from given string
* add rex_holder to support above udf
* support arrow type of {{arrow::map(arrow::utf8(), arrow::utf8())}} for
gandiva udf output to support above udf
)
> [Gandiva] Support null data type for gandiva.
> ---------------------------------------------
>
> Key: ARROW-13568
> URL: https://issues.apache.org/jira/browse/ARROW-13568
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++, C++ - Gandiva
> Reporter: ZMZ91
> Priority: Major
> Labels: pull-request-available
>
> support null data type for gandiva
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