On Wed, Aug 10, 2016 at 12:04 AM, Kazuaki Ishizaki <ishiz...@jp.ibm.com> wrote:
> import testImplicits._
> test("test") {
> val ds1 = sparkContext.parallelize(Seq(Array(1, 1), Array(2, 2),
> Array(3, 3)), 1).toDS
You should just Seq(...).toDS
> val ds2 = ds1.map(e => e)
Why are you e => e (since it's identity) and does nothing?
> .as(RowEncoder(new StructType()
> .add("value", ArrayType(IntegerType, false), nullable = false)))
I didn't know it's possible but looks like it's toDF where you could
replace the schema too (in a less involved way).
I learnt quite a lot from just a single email. Thanks!
Pozdrawiam,
Jacek
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