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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.record.RecordBatchLoader;
import org.apache.drill.exec.record.VectorWrapper;
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.Test;
import com.google.common.base.Charsets;
import com.google.common.collect.Lists;
import com.google.common.io.Files;
public class TestMergingReceiver extends PopUnitTestBase {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestMergingReceiver.class);
@Test
public void twoBitTwoExchange() throws Exception {
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
List<QueryResultBatch> 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;
RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
for (QueryResultBatch b : results) {
count += b.getHeader().getRowCount();
for (int valueIdx = 0; valueIdx < b.getHeader().getRowCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
batchLoader.load(b.getHeader().getDef(), b.getData());
for (VectorWrapper<?> vw : batchLoader) {
row.add(vw.getValueVector().getField().toExpr() + ":" + vw.getValueVector().getAccessor().getObject(valueIdx));
}
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (30 - len); ++i) {
System.out.print(" ");
}
}
System.out.println();
}
b.release();
batchLoader.clear();
}
assertEquals(200, count);
}
}
@Test
public void testMultipleProvidersMixedSizes() throws Exception {
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
List<QueryResultBatch> 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;
RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
Long lastBlueValue = null;
for (QueryResultBatch b : results) {
count += b.getHeader().getRowCount();
for (int valueIdx = 0; valueIdx < b.getHeader().getRowCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
batchLoader.load(b.getHeader().getDef(), b.getData());
for (VectorWrapper vw : batchLoader) {
row.add(vw.getValueVector().getField().toExpr() + ":" + vw.getValueVector().getAccessor().getObject(valueIdx));
if (vw.getValueVector().getField().getAsSchemaPath().getRootSegment().getPath().equals("blue")) {
// assert order is ascending
if (((Long)vw.getValueVector().getAccessor().getObject(valueIdx)).longValue() == 0) {
continue; // ignore initial 0's from sort
}
if (lastBlueValue != null) {
assertTrue(((Long)vw.getValueVector().getAccessor().getObject(valueIdx)).longValue() >= ((Long)lastBlueValue).longValue());
}
lastBlueValue = (Long)vw.getValueVector().getAccessor().getObject(valueIdx);
}
}
for (Object cell : row) {
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (30 - len); ++i) {
System.out.print(" ");
}
}
System.out.println();
}
b.release();
batchLoader.clear();
}
assertEquals(400, count);
}
}
@Test
public void handleEmptyBatch() throws Exception {
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
List<QueryResultBatch> 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;
RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
// print the results
for (QueryResultBatch b : results) {
count += b.getHeader().getRowCount();
for (int valueIdx = 0; valueIdx < b.getHeader().getRowCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
batchLoader.load(b.getHeader().getDef(), b.getData());
for (VectorWrapper vw : batchLoader) {
row.add(vw.getValueVector().getField().toExpr() + ":" + vw.getValueVector().getAccessor().getObject(valueIdx));
}
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (30 - len); ++i) {
System.out.print(" ");
}
}
System.out.println();
}
b.release();
batchLoader.clear();
}
assertEquals(100, count);
}
}
}