UnionQuery.java

/*
Copyright (c) 2008 Health Market Science, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA

You can contact Health Market Science at info@healthmarketscience.com
or at the following address:

Health Market Science
2700 Horizon Drive
Suite 200
King of Prussia, PA 19406
*/

package com.healthmarketscience.sqlbuilder;


/**
 * Query which generates a series of SELECT queries joined by UNION clauses.
 * <p>
 * Note, any of the SetOperationQuery types (UNION [ALL], EXCEPT [ALL],
 * INTERSECT [ALL]) may be used with this Query, despite the name.
 *
 * @author James Ahlborn
 */
public class UnionQuery extends SetOperationQuery<UnionQuery> {
  
  public UnionQuery(Type type) {
    this(type, (SelectQuery[])null);
  }

  public UnionQuery(Type type, SelectQuery... queries) {
    super(type, (Object[])queries);
  }

}