/*
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde 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.olap4j.type;

/**
 * The type of a null expression.
 *
 * @author medstat
 * @since Aug 21, 2006
 */
public class NullType extends ScalarType
{
    /**
     * Creates a null type.
     */
    public NullType() {
    }

    public String toString() {
        return "NULL";
    }
}
// End NullType.java
