o we use it? I know
>>>> how to
>>>> use it in a sql and it works fine
>>>>
>>>> hiveContext.sql(select MyUDF("test") from myTable);
>>>>
>>>> My hiveContext.sql() query invo
groupby(""col1","col2","coln").count();
Can we do the follwing dataframe.select(MyUDF("col1"))??? Please guide.
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ot;col1","col2","coln").count();
>
> Can we do the follwing dataframe.select(MyUDF("col1"))??? Please guide.
>
>
>
> --
> View this message in context:
> http://apache-spark-user-list.1001560.n3.nabble.com/How-to-use-registered-Hive-UDF-in
ose I am trying to convert this query into DataFrame APIs
>>
>>
>> dataframe.select("col1","col2","coln").groupby(""col1","col2","coln").count();
>>
>> C
l() query involves group by on multiple columns so for
>>> scaling purpose I am trying to convert this query into DataFrame APIs
>>>
>>>
>>> dataframe.select("col1","col2","coln").groupby(""col1","col2
