Re: udf StructField to JSON String

[Tristan Nixon]

So I think in your case you’d do something more like:

val jsontrans = new 
JsonSerializationTransformer[StructType].setInputCol(“event").setOutputCol(“eventJSON")


> On Mar 11, 2016, at 3:51 PM, Tristan Nixon <st...@memeticlabs.org> wrote:
> 
> val jsontrans = new 
> JsonSerializationTransformer[Document].setInputCol("myEntityColumn")
>                              .setOutputCol("myOutputColumn")