basicrewriter.java

来自「High performance DB query」· Java 代码 · 共 41 行

/*
 * @(#)$Id: BasicRewriter.java,v 1.1 2004/08/10 22:13:56 huebsch Exp $
 *
 * Copyright (c) 2001-2004 Regents of the University of California.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached BERKELEY-LICENSE
 * file. If you do not find these files, copies can be found by writing to:
 * Computer Science Division, Database Group, Universite of California,
 * 617 Soda Hall #1776, Berkeley, CA 94720-1776. Attention: Berkeley License
 *
 * Copyright (c) 2003-2004 Intel Corporation. All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE file.
 * If you do not find these files, copies can be found by writing to:
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300,
 * Berkeley, CA, 94704.  Attention:  Intel License Inquiry.
 */


package pier.rewrite.basic;

import pier.query.LogicalQueryPlan;
import pier.rewrite.Rewriter;

/**
 * Class Expression
 */
public class BasicRewriter implements Rewriter {

    /**
     * Method rewrite
     *
     * @param logicalQueryPlan
     * @return
     */
    public LogicalQueryPlan rewrite(LogicalQueryPlan logicalQueryPlan) {
        return logicalQueryPlan;
    }
}