ExistsJoin Constructor

Creates a new Exists Join.

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

Syntax

public ExistsJoin(
	ISparqlAlgebra lhs,
	ISparqlAlgebra rhs,
	bool mustExist
)

Public Sub New ( 
	lhs As ISparqlAlgebra,
	rhs As ISparqlAlgebra,
	mustExist As Boolean
)

lhs: Type: VDS.RDF.Query.AlgebraISparqlAlgebra
LHS Pattern.
rhs: Type: VDS.RDF.Query.AlgebraISparqlAlgebra
RHS Pattern.
mustExist: Type: SystemBoolean
Whether a joinable set must exist on the RHS for the LHS set to be preserved.