| /* |
| * 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.tez; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import org.apache.pig.PigConfiguration; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator; |
| import org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOperPlan; |
| import org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOperator; |
| import org.apache.pig.backend.hadoop.executionengine.tez.plan.TezPlanContainer; |
| import org.apache.pig.backend.hadoop.executionengine.tez.plan.TezPlanContainerNode; |
| import org.apache.pig.test.TestPOPartialAggPlan; |
| import org.junit.Test; |
| |
| public class TestPOPartialAggPlanTez extends TestPOPartialAggPlan { |
| @Test |
| public void testNoMapAggProp() throws Exception{ |
| //test with pig.exec.mapPartAgg not set |
| String query = getGByQuery(); |
| |
| TezPlanContainer tezPlanContainer = TezUtil.buildTezPlanContainer(query, pc); |
| assertEquals(tezPlanContainer.size(), 1); |
| |
| assertNull("POPartialAgg should be absent",findPOPartialAgg(tezPlanContainer)); |
| } |
| |
| @Test |
| public void testMapAggPropFalse() throws Exception{ |
| //test with pig.exec.mapPartAgg set to false |
| String query = getGByQuery(); |
| pc.getProperties().setProperty(PigConfiguration.PIG_EXEC_MAP_PARTAGG, "false"); |
| TezPlanContainer tezPlanContainer = TezUtil.buildTezPlanContainer(query, pc); |
| assertEquals(tezPlanContainer.size(), 1); |
| |
| assertNull("POPartialAgg should be absent", findPOPartialAgg(tezPlanContainer)); |
| } |
| |
| @Test |
| public void testMapAggPropTrue() throws Exception{ |
| //test with pig.exec.mapPartAgg to true |
| String query = getGByQuery(); |
| pc.getProperties().setProperty(PigConfiguration.PIG_EXEC_MAP_PARTAGG, "true"); |
| TezPlanContainer tezPlanContainer = TezUtil.buildTezPlanContainer(query, pc); |
| assertEquals(tezPlanContainer.size(), 1); |
| |
| assertNotNull("POPartialAgg should be present",findPOPartialAgg(tezPlanContainer)); |
| |
| } |
| |
| @Test |
| public void testMapAggNoAggFunc() throws Exception{ |
| //no agg func, so there should not be a POPartial |
| String query = "l = load 'x' as (a,b,c);" + |
| "g = group l by a;" + |
| "f = foreach g generate group;"; |
| pc.getProperties().setProperty(PigConfiguration.PIG_EXEC_MAP_PARTAGG, "true"); |
| TezPlanContainer tezPlanContainer = TezUtil.buildTezPlanContainer(query, pc); |
| assertEquals(tezPlanContainer.size(), 1); |
| |
| assertNull("POPartialAgg should be absent",findPOPartialAgg(tezPlanContainer)); |
| } |
| |
| @Test |
| public void testMapAggNotCombinable() throws Exception{ |
| //not combinable, so there should not be a POPartial |
| String query = "l = load 'x' as (a,b,c);" + |
| "g = group l by a;" + |
| "f = foreach g generate group, COUNT(l.b), l.b;"; |
| pc.getProperties().setProperty(PigConfiguration.PIG_EXEC_MAP_PARTAGG, "true"); |
| TezPlanContainer tezPlanContainer = TezUtil.buildTezPlanContainer(query, pc); |
| assertEquals(tezPlanContainer.size(), 1); |
| |
| assertNull("POPartialAgg should be absent", findPOPartialAgg(tezPlanContainer)); |
| } |
| |
| private PhysicalOperator findPOPartialAgg(TezPlanContainer tezPlanContainer) { |
| for (TezPlanContainerNode node : tezPlanContainer) { |
| TezOperPlan tezPlan = node.getTezOperPlan(); |
| for (TezOperator tezOper : tezPlan) { |
| PhysicalOperator partialAgg = findPOPartialAgg(tezOper.plan); |
| if (partialAgg != null) { |
| return partialAgg; |
| } |
| } |
| } |
| return null; |
| } |
| } |