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* 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.mergereceiver;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.List;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.client.DrillClient;
import org.apache.drill.exec.pop.PopUnitTestBase;
import org.apache.drill.exec.proto.UserBitShared.QueryData;
import org.apache.drill.exec.record.MaterializedField;
import org.apache.drill.exec.record.RecordBatchLoader;
import org.apache.drill.exec.record.VectorWrapper;
import org.apache.drill.exec.rpc.user.QueryDataBatch;
import org.apache.drill.exec.server.Drillbit;
import org.apache.drill.exec.server.RemoteServiceSet;
import org.apache.drill.exec.vector.ValueVector;
import org.junit.Test;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
public class TestMergingReceiver extends PopUnitTestBase {
// private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestMergingReceiver.class);
@Test
public void twoBitTwoExchange() throws Exception {
@SuppressWarnings("resource")
final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (final Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
final Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
final List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/mergerecv/merging_receiver.json"),
Charsets.UTF_8));
int count = 0;
final RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
for (final QueryDataBatch b : results) {
final QueryData queryData = b.getHeader();
final int rowCount = queryData.getRowCount();
count += rowCount;
batchLoader.load(queryData.getDef(), b.getData()); // loaded but not used, just to test
b.release();
batchLoader.clear();
}
assertEquals(200000, count);
}
}
@Test
public void testMultipleProvidersMixedSizes() throws Exception {
@SuppressWarnings("resource")
final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (final Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
final Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
final List<QueryDataBatch> results =
client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/mergerecv/multiple_providers.json"),
Charsets.UTF_8));
int count = 0;
final RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
Long lastBlueValue = null;
for (final QueryDataBatch b : results) {
final QueryData queryData = b.getHeader();
final int batchRowCount = queryData.getRowCount();
count += batchRowCount;
batchLoader.load(queryData.getDef(), b.getData());
for (final VectorWrapper<?> vw : batchLoader) {
@SuppressWarnings("resource")
final ValueVector vv = vw.getValueVector();
final ValueVector.Accessor va = vv.getAccessor();
final MaterializedField materializedField = vv.getField();
final int numValues = va.getValueCount();
for(int valueIdx = 0; valueIdx < numValues; ++valueIdx) {
if (materializedField.getPath().equals("blue")) {
final long longValue = ((Long) va.getObject(valueIdx)).longValue();
// check that order is ascending
if (lastBlueValue != null) {
assertTrue(longValue >= lastBlueValue);
}
lastBlueValue = longValue;
}
}
}
b.release();
batchLoader.clear();
}
assertEquals(400000, count);
}
}
@Test
public void handleEmptyBatch() throws Exception {
@SuppressWarnings("resource")
final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (final Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
final Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
final List<QueryDataBatch> results =
client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/mergerecv/empty_batch.json"),
Charsets.UTF_8));
int count = 0;
final RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
for (final QueryDataBatch b : results) {
final QueryData queryData = b.getHeader();
batchLoader.load(queryData.getDef(), b.getData()); // loaded but not used, for testing
count += queryData.getRowCount();
b.release();
batchLoader.clear();
}
assertEquals(100000, count);
}
}
}