function

Type Members

1. case class FieldSelector(field: String) extends Selector with Product with Serializable

   

   Class for a selector that extracts the value of a field from a Row.

   Class for a selector that extracts the value of a field from a Row.

   field

   name of field to extract

2. sealed trait Selector extends AnyRef

   

   Trait for a LeapFrame selector.

   Trait for a LeapFrame selector.

   A selector generates values based on other values found in a Row. The name parameters to a selector specifies which column of the row to get the values from.

   Currently there are two supported selectors: a field selector and and array selector.

   FieldSelector selects the value of a given field. StructSelector creates an array from the values of a given set of fields.

3. case class StructSelector(fields: Seq[String]) extends Selector with Product with Serializable

   

   Class for a selector that constructs an array from values in a Row.

   Class for a selector that constructs an array from values in a Row.

   fields

   names of fields used to construct array

4. case class UserDefinedFunction(f: AnyRef, output: TypeSpec, inputs: Seq[TypeSpec]) extends Product with Serializable