GroupBy Class

Represents a Grouping.

Inheritance Hierarchy

SystemObject
VDS.RDF.Query.AlgebraGroupBy

Namespace: VDS.RDF.Query.Algebra
Assembly: dotNetRDF (in dotNetRDF.dll) Version:

Syntax

public class GroupBy : IUnaryOperator, ISparqlAlgebra

Public Class GroupBy
	Implements IUnaryOperator, ISparqlAlgebra

The GroupBy type exposes the following members.

Constructors

	Name	Description
	GroupBy	Creates a new Group By.

Properties

	Name	Description
	Aggregates	Gets the Aggregates that will be applied.
	FixedVariables	Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.
	FloatingVariables	Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.
	Grouping	Gets the Grouping that is used.
	InnerAlgebra	Gets the Inner Algebra.
	Variables	Gets the Variables used in the Algebra.

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Evaluate	Evaluates a Group By by generating a GroupMultiset from the Input Multiset.
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToGraphPattern	Throws an exception since GroupBy() cannot be converted to a Graph Pattern.
	ToQuery	Converts the Algebra back to a SPARQL Query.
	ToString	Gets the String representation of the. (Overrides ObjectToString.)
	Transform	Transforms the Inner Algebra using the given Optimiser.