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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.
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package org.apache.drill.exec.physical.impl.sort;
import static org.junit.Assert.assertTrue;
import mockit.Injectable;
import mockit.NonStrictExpectations;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.expression.ExpressionPosition;
import org.apache.drill.common.expression.SchemaPath;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.BufferAllocator;
import org.apache.drill.exec.memory.TopLevelAllocator;
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.OperatorCreatorRegistry;
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.CoordinationProtos;
import org.apache.drill.exec.proto.BitControl.PlanFragment;
import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
import org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.vector.BigIntVector;
import org.apache.drill.exec.vector.IntVector;
import org.junit.AfterClass;
import org.junit.Test;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import com.codahale.metrics.MetricRegistry;
public class TestSimpleSort extends ExecTest {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestSimpleSort.class);
DrillConfig c = DrillConfig.create();
@Test
public void sortOneKeyAscending(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable{
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry();
bitContext.getAllocator(); result = new TopLevelAllocator();
bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
bitContext.getConfig(); result = c;
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/sort/one_key_sort.json"), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int previousInt = Integer.MIN_VALUE;
int recordCount = 0;
int batchCount = 0;
while(exec.next()){
batchCount++;
IntVector c1 = exec.getValueVectorById(new SchemaPath("blue", ExpressionPosition.UNKNOWN), IntVector.class);
IntVector c2 = exec.getValueVectorById(new SchemaPath("green", ExpressionPosition.UNKNOWN), IntVector.class);
IntVector.Accessor a1 = c1.getAccessor();
IntVector.Accessor a2 = c2.getAccessor();
for(int i =0; i < c1.getAccessor().getValueCount(); i++){
recordCount++;
assert previousInt <= a1.get(i);
previousInt = a1.get(i);
assert previousInt == a2.get(i);
}
}
System.out.println(String.format("Sorted %,d records in %d batches.", recordCount, batchCount));
if(context.getFailureCause() != null){
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
@Test
public void sortTwoKeysOneAscendingOneDescending(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable{
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry();
bitContext.getAllocator(); result = new TopLevelAllocator();
bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
bitContext.getConfig(); result = c;
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/sort/two_key_sort.json"), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int previousInt = Integer.MIN_VALUE;
long previousLong = Long.MAX_VALUE;
int recordCount = 0;
int batchCount = 0;
while(exec.next()){
batchCount++;
IntVector c1 = exec.getValueVectorById(new SchemaPath("blue", ExpressionPosition.UNKNOWN), IntVector.class);
BigIntVector c2 = exec.getValueVectorById(new SchemaPath("alt", ExpressionPosition.UNKNOWN), BigIntVector.class);
IntVector.Accessor a1 = c1.getAccessor();
BigIntVector.Accessor a2 = c2.getAccessor();
for(int i =0; i < c1.getAccessor().getValueCount(); i++){
recordCount++;
assert previousInt <= a1.get(i);
if(previousInt != a1.get(i)){
previousLong = Long.MAX_VALUE;
previousInt = a1.get(i);
}
assert previousLong >= a2.get(i);
//System.out.println(previousInt + "\t" + a2.get(i));
}
}
System.out.println(String.format("Sorted %,d records in %d batches.", recordCount, batchCount));
if(context.getFailureCause() != null){
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
}