| /* |
| * 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.drill.exec.physical.impl.join; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.List; |
| |
| import org.apache.drill.categories.OperatorTest; |
| import org.apache.drill.categories.SlowTest; |
| import org.apache.drill.common.util.DrillFileUtils; |
| import org.apache.drill.test.TestTools; |
| import org.apache.drill.exec.client.DrillClient; |
| import org.apache.drill.exec.pop.PopUnitTestBase; |
| import org.apache.drill.exec.rpc.user.QueryDataBatch; |
| import org.apache.drill.exec.server.Drillbit; |
| import org.apache.drill.exec.server.RemoteServiceSet; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestRule; |
| |
| import com.google.common.io.Files; |
| |
| @Category({SlowTest.class, OperatorTest.class}) |
| public class TestMergeJoinMulCondition extends PopUnitTestBase { |
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestMergeJoinMulCondition.class); |
| |
| @Rule public final TestRule TIMEOUT = TestTools.getTimeoutRule(200000); |
| |
| @Test |
| //the physical plan is obtained for the following SQL query: |
| // "select l.l_partkey, l.l_suppkey, ps.ps_partkey, ps.ps_suppkey " |
| // + " from cp.`tpch/lineitem.parquet` l join " |
| // + " cp.`tpch/partsupp.parquet` ps" |
| // + " on l.l_partkey = ps.ps_partkey and " |
| // + " l.l_suppkey = ps.ps_suppkey"; |
| public void testMergeJoinMultiKeys() throws Exception { |
| RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet(); |
| |
| try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet); |
| DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) { |
| |
| bit1.run(); |
| client.connect(); |
| List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, |
| Files.asCharSource(DrillFileUtils.getResourceAsFile("/join/mj_multi_condition.json"), |
| StandardCharsets.UTF_8).read()); |
| int count = 0; |
| for (QueryDataBatch b : results) { |
| if (b.getHeader().getRowCount() != 0) { |
| count += b.getHeader().getRowCount(); |
| } |
| b.release(); |
| } |
| assertEquals(60175, count); |
| } |
| } |
| |
| @Test |
| // The physical plan is obtained through sql: |
| // alter session set `planner.enable_hashjoin`=false; |
| // select * from cp.`region.json` t1, cp.`region.json` t2 where t1.non_exist = t2.non_exist2 ; |
| public void testMergeJoinInnerNullKey() throws Exception { |
| RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet(); |
| |
| try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet); |
| DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) { |
| bit1.run(); |
| client.connect(); |
| List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, |
| Files.asCharSource(DrillFileUtils.getResourceAsFile("/join/merge_join_nullkey.json"), StandardCharsets.UTF_8).read().replace("${JOIN_TYPE}", "INNER")); |
| int count = 0; |
| for (QueryDataBatch b : results) { |
| if (b.getHeader().getRowCount() != 0) { |
| count += b.getHeader().getRowCount(); |
| } |
| b.release(); |
| } |
| assertEquals(0, count); |
| } |
| } |
| |
| @Test |
| // The physical plan is obtained through sql: |
| // alter session set `planner.enable_hashjoin`=false; |
| // select * from cp.`region.json` t1 left outer join cp.`region.json` t2 on t1.non_exist = t2.non_exist2 ; |
| public void testMergeJoinLeftOuterNullKey() throws Exception { |
| RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet(); |
| |
| try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet); |
| DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) { |
| |
| bit1.run(); |
| client.connect(); |
| List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, |
| Files.asCharSource(DrillFileUtils.getResourceAsFile("/join/merge_join_nullkey.json"), StandardCharsets.UTF_8).read().replace("${JOIN_TYPE}", "LEFT")); |
| int count = 0; |
| for (QueryDataBatch b : results) { |
| if (b.getHeader().getRowCount() != 0) { |
| count += b.getHeader().getRowCount(); |
| } |
| b.release(); |
| } |
| assertEquals(110, count); |
| } |
| } |
| |
| } |