for example when do you Seq(1,2,3).toDF("a") it needs to get the
SparkSession from somewhere. by importing the implicits from
spark.implicits._ they have access to a SparkSession for operations like
On Fri, Oct 14, 2016 at 4:42 PM, Jakub Dubovsky <
> Hey community,
> I would like to *educate* myself about why all *sql implicits* (most
> notably conversion to Dataset API) are imported from *instance* of
> SparkSession and not using static imports.
> Having this design one runs into problems like this
> It requires the presence of SparkSession instance (the only one we have) in
> many parts of code. This makes code structuring harder.
> I assume that there is a *reason* why this design was *chosen*. Can
> somebody please point me to a resource or explain why is this?
> What is an advantage of this approach?
> Or why it is not possible to implement it with static imports?
> Thanks a lot!