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val attrs = List(AttributeReference("value”, IntegerType, nullable = true)())
Size: a a a
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val attrs = List(AttributeReference("value”, IntegerType, nullable = true)())
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val encoder = ExpressionEncoder[Arity1]
val attrs = List(AttributeReference("value", IntegerType, nullable = false)())
val bound = encoder.resolveAndBind(attrs)
println(bound.fromRow(InternalRow(1.asInstanceOf[java.lang.Integer])))
try {
println(bound.fromRow(InternalRow(null)))
} catch {
case e => println(e.getMessage)
}
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package scala.collection
trait Seq[+A] extends scala.AnyRef with scala.PartialFunction[scala.Int, A] with scala.collection.Iterable[A] with scala.collection.GenSeq[A] with scala.collection.generic.GenericTraversableTemplate[A, scala.collection.Seq] with scala.collection.SeqLike[A, scala.collection.Seq[A]] {
override def companion : scala.collection.generic.GenericCompanion[scala.collection.Seq] = { /* compiled code */ }
override def seq : scala.collection.Seq[A] = { /* compiled code */ }
}
object Seq extends scala.collection.generic.SeqFactory[scala.collection.Seq] {
implicit def canBuildFrom[A] : scala.collection.generic.CanBuildFrom[Seq.Coll, A, scala.collection.Seq[A]] = { /* compiled code */ }
def newBuilder[A] : scala.collection.mutable.Builder[A, scala.collection.Seq[A]] = { /* compiled code */ }
}
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