| /* |
| * 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 static org.apache.pig.builtin.mock.Storage.resetData; |
| import static org.apache.pig.builtin.mock.Storage.tuple; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Map; |
| |
| import org.apache.pig.ExecType; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.builtin.mock.Storage.Data; |
| import org.apache.pig.impl.logicalLayer.schema.Schema; |
| import org.apache.pig.impl.util.Utils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| public class TestMapProjectionDuplicate { |
| private static PigServer pigServer; |
| |
| @Before |
| public void setUp() throws Exception { |
| pigServer = new PigServer(ExecType.LOCAL); |
| } |
| |
| @Test |
| public void testDuplicate() throws Exception { |
| Data data = resetData(pigServer); |
| |
| Map<String,String> m1 = ImmutableMap.of("name", "jon", "age", "26"); |
| |
| data.set("foo", Utils.getSchemaFromString("a:[chararray]"), tuple(m1)); |
| |
| pigServer.registerQuery("a = load 'foo' using mock.Storage() as (a:map[chararray]);"); |
| pigServer.registerQuery("b = foreach a generate a#'name' as name, a#'age' as age;"); |
| pigServer.registerQuery("c = foreach b generate *;"); |
| Schema s = pigServer.dumpSchema("c"); |
| assertEquals("name", s.getField(0).alias); |
| assertEquals("age", s.getField(1).alias); |
| } |
| } |