package org.aksw.sparqlify.core.query_plan;
import java.util.ArrayList;
import java.util.List;
import org.apache.jena.query.ResultSet;
/**
* Combine the result sets of sub-plans
*
* @author raven
*
*/
public class QEP_Union
implements QueryExecutionPlanNode
{
private List<QueryExecutionPlanNode> subPlans = new ArrayList<QueryExecutionPlanNode>();
@Override
public ResultSet execute() {
//List<ResultSet> resultSets = new ArrayList<ResultSets>();s
// TODO Auto-generated method stub
return null;
}
}