/*
* Licensed 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 com.facebook.presto.benchmark;
import com.facebook.presto.operator.Driver;
import com.facebook.presto.operator.DriverContext;
import com.facebook.presto.operator.DriverFactory;
import com.facebook.presto.operator.HashBuilderOperator.HashBuilderOperatorFactory;
import com.facebook.presto.operator.LookupJoinOperators;
import com.facebook.presto.operator.LookupSourceSupplier;
import com.facebook.presto.operator.OperatorFactory;
import com.facebook.presto.operator.TaskContext;
import com.facebook.presto.testing.LocalQueryRunner;
import com.facebook.presto.testing.NullOutputOperator.NullOutputOperatorFactory;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Ints;
import java.util.List;
import java.util.concurrent.ExecutorService;
import static com.facebook.presto.benchmark.BenchmarkQueryRunner.createLocalQueryRunner;
import static io.airlift.concurrent.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;
public class HashJoinBenchmark
extends AbstractOperatorBenchmark
{
private LookupSourceSupplier lookupSourceSupplier;
public HashJoinBenchmark(LocalQueryRunner localQueryRunner)
{
super(localQueryRunner, "hash_join", 4, 50);
}
/*
select orderkey, quantity, totalprice
from lineitem join orders using (orderkey)
*/
@Override
protected List<Driver> createDrivers(TaskContext taskContext)
{
if (lookupSourceSupplier == null) {
OperatorFactory ordersTableScan = createTableScanOperator(0, "orders", "orderkey", "totalprice");
HashBuilderOperatorFactory hashBuilder = new HashBuilderOperatorFactory(1, ordersTableScan.getTypes(), Ints.asList(0), 1_500_000);
DriverContext driverContext = taskContext.addPipelineContext(false, false).addDriverContext();
Driver driver = new DriverFactory(false, false, ordersTableScan, hashBuilder).createDriver(driverContext);
while (!driver.isFinished()) {
driver.process();
}
lookupSourceSupplier = hashBuilder.getLookupSourceSupplier();
}
OperatorFactory lineItemTableScan = createTableScanOperator(0, "lineitem", "orderkey", "quantity");
OperatorFactory joinOperator = LookupJoinOperators.innerJoin(1, lookupSourceSupplier, lineItemTableScan.getTypes(), Ints.asList(0));
NullOutputOperatorFactory output = new NullOutputOperatorFactory(2, joinOperator.getTypes());
DriverFactory driverFactory = new DriverFactory(true, true, lineItemTableScan, joinOperator, output);
DriverContext driverContext = taskContext.addPipelineContext(true, true).addDriverContext();
Driver driver = driverFactory.createDriver(driverContext);
return ImmutableList.of(driver);
}
public static void main(String[] args)
{
ExecutorService executor = newCachedThreadPool(daemonThreadsNamed("test"));
new HashJoinBenchmark(createLocalQueryRunner(executor)).runBenchmark(
new SimpleLineBenchmarkResultWriter(System.out)
);
}
}