/**
* 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.util.List;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.common.util.TestTools;
import org.apache.drill.exec.client.DrillClient;
import org.apache.drill.exec.pop.PopUnitTestBase;
import org.apache.drill.exec.proto.UserProtos;
import org.apache.drill.exec.rpc.user.QueryResultBatch;
import org.apache.drill.exec.server.Drillbit;
import org.apache.drill.exec.server.RemoteServiceSet;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
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<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/join/mj_multi_condition.json"),
Charsets.UTF_8));
int count = 0;
for(QueryResultBatch 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<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/join/merge_join_nullkey.json"), Charsets.UTF_8).replace("${JOIN_TYPE}", "INNER"));
int count = 0;
for(QueryResultBatch b : results) {
if (b.getHeader().getRowCount() != 0)
count += b.getHeader().getRowCount();
b.release();
}
assertEquals(0, count);
}
}
@Test
// The physical plan is obtained through sql:
// alter session set `planner.enable_hashjoin`=false;
// select * from cp.`region.json` t1 left outer join cp.`region.json` t2 on t1.non_exist = t2.non_exist2 ;
public void testMergeJoinLeftOuterNullKey() throws Exception {
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try(Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
client.connect();
List<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/join/merge_join_nullkey.json"), Charsets.UTF_8).replace("${JOIN_TYPE}", "LEFT"));
int count = 0;
for(QueryResultBatch b : results) {
if (b.getHeader().getRowCount() != 0)
count += b.getHeader().getRowCount();
b.release();
}
assertEquals(110, count);
}
}
}