Hi, Can you show the code from map to reproduce the issue? You can create encoders using Encoders object (I'm using it all over the place for schema generation).
Jacek On 25 Jan 2017 10:19 p.m., "Koert Kuipers" <ko...@tresata.com> wrote: > i often run into problems like this: > > i need to write a Dataset[T] => Dataset[T], and inside i need to switch to > DataFrame for a particular operation. > > but if i do: > dataset.toDF.map(...).as[T] i get error: > Unable to find encoder for type stored in a Dataset. > > i know it has an encoder, because i started with Dataset[T] > > so i would like to do: > dataset.toDF.map(...).as[T](dataset.encoder) > >
