@@ -0,0 +1,1495 @@
+/*%0A * Copyright 2012 Database Lab., Korea Univ.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage tajo.engine.planner.physical;%0A%0Aimport tajo.TaskAttemptContext;%0Aimport tajo.catalog.Schema;%0Aimport tajo.engine.planner.logical.LimitNode;%0Aimport tajo.storage.Tuple;%0A%0Aimport java.io.IOException;%0A%0Apublic class LimitExec extends UnaryPhysicalExec %7B%0A  private final long fetchFirstNum;%0A  private long fetchCount;%0A%0A  public LimitExec(TaskAttemptContext context, Schema inSchema,%0A                   Schema outSchema, PhysicalExec child, LimitNode limit) %7B%0A    super(context, inSchema, outSchema, child);%0A    this.fetchFirstNum = limit.getFetchFirstNum();%0A    this.fetchCount = 0;%0A  %7D%0A%0A  @Override%0A  public Tuple next() throws IOException %7B%0A    Tuple tuple = child.next();%0A    fetchCount++;%0A%0A    if (fetchCount %3E fetchFirstNum %7C%7C tuple == null) %7B%0A      return null;%0A    %7D%0A%0A    return tuple;%0A  %7D%0A%0A  public void rescan() throws IOException %7B%0A    super.init();%0A    fetchCount = 0;%0A  %7D%0A%7D%0A

Implement the Limit Executor (missing LimitExec.java)