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https://issues.apache.org/jira/browse/SPARK-6176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley closed SPARK-6176.
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Resolution: Duplicate
> Expose abstract DataTypes for DataFrames
> ----------------------------------------
>
> Key: SPARK-6176
> URL: https://issues.apache.org/jira/browse/SPARK-6176
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Joseph K. Bradley
> Priority: Minor
>
> It would be nice to have access to the abstract DataTypes used in DataFrame
> schema. E.g., it would be useful to be able to test whether a type is
> numeric, rather than testing a list of current numeric types.
> This may require waiting for the DataFrame API to become non-Experimental.
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