org.apache.drill.exec.RunRootExec.java Source code

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Here is the source code for org.apache.drill.exec.RunRootExec.java

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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;

import java.io.File;
import java.util.concurrent.TimeUnit;

import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.ops.FragmentContext;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.physical.base.FragmentRoot;
import org.apache.drill.exec.physical.impl.ImplCreator;
import org.apache.drill.exec.physical.impl.SimpleRootExec;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.BitControl.PlanFragment;
import org.apache.drill.exec.server.Drillbit;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.server.RemoteServiceSet;
import org.apache.drill.exec.vector.ValueVector;

import com.google.common.base.Charsets;
import com.google.common.base.Stopwatch;
import com.google.common.io.Files;

public class RunRootExec {
    public static DrillConfig c = DrillConfig.create();

    public static void main(String args[]) throws Exception {
        String path = args[0];
        int iterations = Integer.parseInt(args[1]);
        Drillbit bit = new Drillbit(c, RemoteServiceSet.getLocalServiceSet());
        bit.run();
        DrillbitContext bitContext = bit.getContext();
        PhysicalPlanReader reader = bitContext.getPlanReader();
        PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(new File(path), Charsets.UTF_8));
        FunctionImplementationRegistry registry = bitContext.getFunctionImplementationRegistry();
        FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), null,
                registry);
        SimpleRootExec exec;
        for (int i = 0; i < iterations; i++) {
            Stopwatch w = new Stopwatch().start();
            System.out.println("STARTITER:" + i);
            exec = new SimpleRootExec(
                    ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

            while (exec.next()) {
                for (ValueVector v : exec) {
                    v.clear();
                }
            }
            System.out.println("ENDITER: " + i);
            System.out.println("TIME: " + w.elapsed(TimeUnit.MILLISECONDS) + "ms");
            exec.close();
        }
        context.close();
        bit.close();
    }

}