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https://issues.apache.org/jira/browse/SPARK-21232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-21232:
------------------------------
    Fix Version/s:     (was: 2.2.2)
                       (was: 2.3.0)

> New built-in SQL function - Data_Type
> -------------------------------------
>
>                 Key: SPARK-21232
>                 URL: https://issues.apache.org/jira/browse/SPARK-21232
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark, SparkR, SQL
>    Affects Versions: 2.1.1
>            Reporter: Mario Molina
>            Priority: Minor
>
> This function returns the data type of a given column.
> {code:java}
> data_type("a")
> // returns string
> {code}



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