Package com.facebook.presto.benchmark

Source Code of com.facebook.presto.benchmark.HashBuildAndJoinBenchmark

/*
* 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.DriverFactory;
import com.facebook.presto.operator.HashBuilderOperator.HashBuilderOperatorFactory;
import com.facebook.presto.operator.LookupJoinOperators;
import com.facebook.presto.operator.NullOutputOperator.NullOutputOperatorFactory;
import com.facebook.presto.operator.OperatorFactory;
import com.facebook.presto.operator.TaskContext;
import com.facebook.presto.util.LocalQueryRunner;
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 com.facebook.presto.util.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;

public class HashBuildAndJoinBenchmark
        extends AbstractOperatorBenchmark
{
    public HashBuildAndJoinBenchmark(LocalQueryRunner localQueryRunner)
    {
        super(localQueryRunner, "hash_build_and_join", 4, 5);
    }

    /*
    select orderkey, quantity, totalprice
    from lineitem join orders using (orderkey)
     */
    @Override
    protected List<Driver> createDrivers(TaskContext taskContext)
    {
        // hash build
        OperatorFactory ordersTableScan = createTableScanOperator(0, "orders", "orderkey", "totalprice");
        HashBuilderOperatorFactory hashBuilder = new HashBuilderOperatorFactory(1, ordersTableScan.getTypes(), Ints.asList(0), 1_500_000);

        DriverFactory hashBuildDriverFactory = new DriverFactory(true, false, ordersTableScan, hashBuilder);
        Driver hashBuildDriver = hashBuildDriverFactory.createDriver(taskContext.addPipelineContext(true, false).addDriverContext());

        // join
        OperatorFactory lineItemTableScan = createTableScanOperator(0, "lineitem", "orderkey", "quantity");

        OperatorFactory joinOperator = LookupJoinOperators.innerJoin(1, hashBuilder.getLookupSourceSupplier(), lineItemTableScan.getTypes(), Ints.asList(0));

        NullOutputOperatorFactory output = new NullOutputOperatorFactory(2, joinOperator.getTypes());

        DriverFactory joinDriverFactory = new DriverFactory(true, true, lineItemTableScan, joinOperator, output);
        Driver joinDriver = joinDriverFactory.createDriver(taskContext.addPipelineContext(true, true).addDriverContext());

        return ImmutableList.of(hashBuildDriver, joinDriver);
    }

    public static void main(String[] args)
    {
        ExecutorService executor = newCachedThreadPool(daemonThreadsNamed("test"));
        new HashBuildAndJoinBenchmark(createLocalQueryRunner(executor)).runBenchmark(
                new SimpleLineBenchmarkResultWriter(System.out)
        );
    }
}
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