| /* |
| * 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.pig.test; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| |
| import org.apache.pig.ExecType; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.executionengine.ExecJob; |
| import org.apache.pig.impl.io.FileLocalizer; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| @RunWith(JUnit4.class) |
| public class TestBatchAliases extends TestCase { |
| |
| private PigServer myPig; |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| System.setProperty("opt.multiquery", ""+true); |
| myPig = new PigServer(ExecType.LOCAL, new Properties()); |
| deleteOutputFiles(); |
| } |
| |
| @Override |
| @After |
| public void tearDown() throws Exception { |
| deleteOutputFiles(); |
| } |
| |
| @Test |
| public void testBatchAliases() throws IOException { |
| |
| // test case: key ('group') isn't part of foreach output |
| // and keys have the same type. |
| try { |
| myPig.setBatchOn(); |
| |
| myPig.registerQuery("a = load 'test/org/apache/pig/test/data/passwd' " + |
| "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);"); |
| myPig.registerQuery("b = group a by uid;"); |
| myPig.registerQuery("c = group a by gid;"); |
| myPig.registerQuery("d = foreach b generate SUM(a.gid);"); |
| myPig.registerQuery("e = foreach c generate group, COUNT(a);"); |
| myPig.registerQuery("store d into '/tmp/output1';"); |
| myPig.registerQuery("store e into '/tmp/output2';"); |
| |
| List<ExecJob> jobs = myPig.executeBatch(); |
| boolean foundD=false; |
| boolean foundE=false; |
| for (ExecJob job : jobs) { |
| assertTrue(job.getStatus() == ExecJob.JOB_STATUS.COMPLETED); |
| foundD = foundD || "d".equals(job.getAlias()); |
| foundE = foundE || "e".equals(job.getAlias()); |
| } |
| assertTrue(foundD); |
| assertTrue(foundE); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail(); |
| } |
| } |
| |
| private void deleteOutputFiles() { |
| try { |
| FileLocalizer.delete("/tmp/output1", myPig.getPigContext()); |
| FileLocalizer.delete("/tmp/output2", myPig.getPigContext()); |
| FileLocalizer.delete("/tmp/output3", myPig.getPigContext()); |
| FileLocalizer.delete("/tmp/output4", myPig.getPigContext()); |
| FileLocalizer.delete("/tmp/output5", myPig.getPigContext()); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| Assert.fail(); |
| } |
| } |
| } |