/*
* 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.LimitOperator.LimitOperatorFactory;
import com.facebook.presto.operator.OperatorFactory;
import com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory;
import com.facebook.presto.util.LocalQueryRunner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import static com.facebook.presto.benchmark.BenchmarkQueryRunner.createLocalQueryRunner;
import static com.facebook.presto.spi.block.SortOrder.ASC_NULLS_LAST;
import static com.facebook.presto.util.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;
public class OrderByBenchmark
extends AbstractSimpleOperatorBenchmark
{
private static final int ROWS = 1_500_000;
public OrderByBenchmark(LocalQueryRunner localQueryRunner)
{
super(localQueryRunner, "in_memory_orderby_1.5M", 5, 10);
}
@Override
protected List<? extends OperatorFactory> createOperatorFactories()
{
OperatorFactory tableScanOperator = createTableScanOperator(0, "orders", "totalprice", "clerk");
LimitOperatorFactory limitOperator = new LimitOperatorFactory(1, tableScanOperator.getTypes(), ROWS, Optional.<Integer>absent());
OrderByOperatorFactory orderByOperator = new OrderByOperatorFactory(
2,
limitOperator.getTypes(),
ImmutableList.of(1),
ROWS,
ImmutableList.of(0),
ImmutableList.of(ASC_NULLS_LAST));
return ImmutableList.of(tableScanOperator, limitOperator, orderByOperator);
}
public static void main(String[] args)
{
ExecutorService executor = newCachedThreadPool(daemonThreadsNamed("test"));
new OrderByBenchmark(createLocalQueryRunner(executor)).runBenchmark(
new SimpleLineBenchmarkResultWriter(System.out)
);
}
}