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thanks for the answer but appears a new error, check the edit

Ignacio Alorre
– Ignacio Alorre

2017-10-01 15:55:34 +00:00
Commented Oct 1, 2017 at 15:55
I think you should give encoder outside the map over groupedNpa. implicit val encoder = RowEncoder(schema) Give schema of your dataframe.

Mahesh Chand
– Mahesh Chand

2017-10-01 16:06:31 +00:00
Commented Oct 1, 2017 at 16:06
same result, how should I pass the map?

Ignacio Alorre
– Ignacio Alorre

2017-10-01 18:12:42 +00:00
Commented Oct 1, 2017 at 18:12
if you could show groupedNpa. I can give try on my shell.

Mahesh Chand
– Mahesh Chand

2017-10-02 04:09:31 +00:00
Commented Oct 2, 2017 at 4:09
It's a toy example. The real one I have is far more complex. But, could you add a line in your answer showing how you would invoke the custom function using the encoder?

Ignacio Alorre
– Ignacio Alorre

2017-10-02 10:03:49 +00:00
Commented Oct 2, 2017 at 10:03

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