/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
*/
package org.apache.tajo.engine.planner.logical;
import org.apache.tajo.engine.planner.PlanString;
public class IntersectNode extends BinaryNode {
public IntersectNode(int pid, LogicalNode outer, LogicalNode inner) {
super(pid, NodeType.INTERSECT);
setLeftChild(outer);
setRightChild(inner);
}
@Override
public PlanString getPlanString() {
PlanString planStr = new PlanString("Intersect");
planStr.appendTitle(" (L - " + ((TableSubQueryNode)getLeftChild()).getTableName());
planStr.appendTitle(", R - " + ((TableSubQueryNode)getRightChild()).getTableName());
planStr.appendTitle(")");
return planStr;
}
public String toString() {
return getLeftChild().toString() + "\n INTERSECT \n" + getRightChild().toString();
}
}