/**
* 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.physical.impl.agg;
import static org.junit.Assert.*;
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.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.BufferAllocator;
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.CoordinationProtos;
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.yammer.metrics.MetricRegistry;
public class TestAgg {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestAgg.class);
DrillConfig c = DrillConfig.create();
private SimpleRootExec doTest(final DrillbitContext bitContext, UserClientConnection connection, String file) throws Exception{
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile(file), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
return exec;
}
@Test
public void oneKeyAgg(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable{
SimpleRootExec exec = doTest(bitContext, connection, "/agg/test1.json");
while(exec.next()){
BigIntVector cnt = exec.getValueVectorById(new SchemaPath("cnt", ExpressionPosition.UNKNOWN), BigIntVector.class);
IntVector key = exec.getValueVectorById(new SchemaPath("blue", ExpressionPosition.UNKNOWN), IntVector.class);
long[] cntArr = {10001, 9999};
int[] keyArr = {Integer.MIN_VALUE, Integer.MAX_VALUE};
for(int i =0; i < exec.getRecordCount(); i++){
assertEquals(cntArr[i], cnt.getAccessor().getObject(i));
assertEquals(keyArr[i], key.getAccessor().getObject(i));
}
}
if(exec.getContext().getFailureCause() != null){
throw exec.getContext().getFailureCause();
}
assertTrue(!exec.getContext().isFailed());
}
@Test
public void twoKeyAgg(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable{
SimpleRootExec exec = doTest(bitContext, connection, "/agg/twokey.json");
while(exec.next()){
IntVector key1 = exec.getValueVectorById(new SchemaPath("key1", ExpressionPosition.UNKNOWN), IntVector.class);
BigIntVector key2 = exec.getValueVectorById(new SchemaPath("key2", ExpressionPosition.UNKNOWN), BigIntVector.class);
BigIntVector cnt = exec.getValueVectorById(new SchemaPath("cnt", ExpressionPosition.UNKNOWN), BigIntVector.class);
BigIntVector total = exec.getValueVectorById(new SchemaPath("total", ExpressionPosition.UNKNOWN), BigIntVector.class);
int[] keyArr1 = {Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE};
long[] keyArr2 = {0,1,2,0,1,2};
long[] cntArr = {34,34,34,34,34,34};
long[] totalArr = {0,34,68,0,34,68};
for(int i =0; i < exec.getRecordCount(); i++){
// System.out.print(key1.getAccessor().getObject(i));
// System.out.print("\t");
// System.out.print(key2.getAccessor().getObject(i));
// System.out.print("\t");
// System.out.print(cnt.getAccessor().getObject(i));
// System.out.print("\t");
// System.out.print(total.getAccessor().getObject(i));
// System.out.println();
assertEquals(cntArr[i], cnt.getAccessor().getObject(i));
assertEquals(keyArr1[i], key1.getAccessor().getObject(i));
assertEquals(keyArr2[i], key2.getAccessor().getObject(i));
assertEquals(totalArr[i], total.getAccessor().getObject(i));
}
}
if(exec.getContext().getFailureCause() != null){
throw exec.getContext().getFailureCause();
}
assertTrue(!exec.getContext().isFailed());
}
@AfterClass
public static void tearDown() throws Exception{
// pause to get logger to catch up.
Thread.sleep(1000);
}
}