objects

Type Members

1. case class AssertNotNull(child: Expression, walkedTypePath: Seq[String] = immutable.this.Nil) extends UnaryExpression with NonSQLExpression with Product with Serializable

   Asserts that input values of a non-nullable child expression are not null.

2. case class CreateExternalRow(children: Seq[Expression], schema: StructType) extends Expression with NonSQLExpression with Product with Serializable

   Constructs a new external row, using the result of evaluating the specified expressions as content.

3. case class DecodeUsingSerializer[T](child: Expression, tag: ClassTag[T], kryo: Boolean) extends UnaryExpression with NonSQLExpression with Product with Serializable

   Serializes an input object using a generic serializer (Kryo or Java).

4. case class EncodeUsingSerializer(child: Expression, kryo: Boolean) extends UnaryExpression with NonSQLExpression with Product with Serializable

   Serializes an input object using a generic serializer (Kryo or Java).

5. case class ExternalMapToCatalyst extends UnaryExpression with NonSQLExpression with Product with Serializable

   Converts a Scala/Java map object into catalyst format, by applying the key/value converter when iterate the map.

6. case class GetExternalRowField(child: Expression, index: Int, fieldName: String) extends UnaryExpression with NonSQLExpression with Product with Serializable

   Returns the value of field at index index from the external row child.

7. case class InitializeJavaBean(beanInstance: Expression, setters: Map[String, Expression]) extends Expression with NonSQLExpression with Product with Serializable

   Initialize a Java Bean instance by setting its field values via setters.

8. case class Invoke(targetObject: Expression, functionName: String, dataType: DataType, arguments: Seq[Expression] = immutable.this.Nil, propagateNull: Boolean = true, returnNullable: Boolean = true) extends Expression with InvokeLike with Product with Serializable

   Calls the specified function on an object, optionally passing arguments.

9. trait InvokeLike extends Expression with NonSQLExpression

   Common base class for StaticInvoke, Invoke, and NewInstance.

10. case class LambdaVariable(value: String, isNull: String, dataType: DataType, nullable: Boolean = true) extends LeafExpression with Unevaluable with NonSQLExpression with Product with Serializable

    A placeholder for the loop variable used in MapObjects.

11. case class MapObjects extends Expression with NonSQLExpression with Product with Serializable

    Applies the given expression to every element of a collection of items, returning the result as an ArrayType or ObjectType.

12. case class NewInstance(cls: Class[_], arguments: Seq[Expression], propagateNull: Boolean, dataType: DataType, outerPointer: Option[() ⇒ AnyRef]) extends Expression with InvokeLike with Product with Serializable

    Constructs a new instance of the given class, using the result of evaluating the specified expressions as arguments.

13. case class StaticInvoke(staticObject: Class[_], dataType: DataType, functionName: String, arguments: Seq[Expression] = immutable.this.Nil, propagateNull: Boolean = true) extends Expression with InvokeLike with Product with Serializable

    Invokes a static function, returning the result.

14. case class UnresolvedMapObjects(function: (Expression) ⇒ Expression, child: Expression, customCollectionCls: Option[Class[_]] = scala.None) extends UnaryExpression with Unevaluable with Product with Serializable

    When constructing MapObjects, the element type must be given, which may not be available before analysis.

15. case class UnwrapOption(dataType: DataType, child: Expression) extends UnaryExpression with NonSQLExpression with ExpectsInputTypes with Product with Serializable

    Given an expression that returns on object of type Option[_], this expression unwraps the option into the specified Spark SQL datatype.

16. case class ValidateExternalType(child: Expression, expected: DataType) extends UnaryExpression with NonSQLExpression with ExpectsInputTypes with Product with Serializable

    Validates the actual data type of input expression at runtime.

17. case class WrapOption(child: Expression, optType: DataType) extends UnaryExpression with NonSQLExpression with ExpectsInputTypes with Product with Serializable

    Converts the result of evaluating child into an option, checking both the isNull bit and (in the case of reference types) equality with null.