/**
* 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.TopN;
import com.codahale.metrics.MetricRegistry;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
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.client.DrillClient;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
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.ImplCreator;
import org.apache.drill.exec.physical.impl.OperatorCreatorRegistry;
import org.apache.drill.exec.physical.impl.SimpleRootExec;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.pop.PopUnitTestBase;
import org.apache.drill.exec.proto.BitControl.PlanFragment;
import org.apache.drill.exec.proto.CoordinationProtos;
import org.apache.drill.exec.proto.UserProtos;
import org.apache.drill.exec.record.RecordBatchLoader;
import org.apache.drill.exec.rpc.user.QueryResultBatch;
import org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;
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.BigIntVector;
import org.apache.drill.exec.vector.IntVector;
import org.junit.AfterClass;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class TestSimpleTopN extends PopUnitTestBase {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestSimpleTopN.class);
DrillConfig c = DrillConfig.create();
@Test
public void sortOneKeyAscending() throws Throwable{
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try(Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator());) {
bit1.run();
bit2.run();
client.connect();
List<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/topN/one_key_sort.json"),
Charsets.UTF_8));
int count = 0;
for(QueryResultBatch b : results) {
if (b.getHeader().getRowCount() != 0)
count += b.getHeader().getRowCount();
}
assertEquals(100, count);
long previousBigInt = Long.MIN_VALUE;
int recordCount = 0;
int batchCount = 0;
for (QueryResultBatch b : results) {
if (b.getHeader().getRowCount() == 0) break;
batchCount++;
RecordBatchLoader loader = new RecordBatchLoader(bit1.getContext().getAllocator());
loader.load(b.getHeader().getDef(),b.getData());
BigIntVector c1 = (BigIntVector) loader.getValueAccessorById(BigIntVector.class, loader.getValueVectorId(new SchemaPath("blue", ExpressionPosition.UNKNOWN)).getFieldIds()).getValueVector();
BigIntVector.Accessor a1 = c1.getAccessor();
// IntVector.Accessor a2 = c2.getAccessor();
for(int i =0; i < c1.getAccessor().getValueCount(); i++){
recordCount++;
assertTrue(previousBigInt <= a1.get(i));
previousBigInt = a1.get(i);
}
loader.clear();
b.release();
}
System.out.println(String.format("Sorted %,d records in %d batches.", recordCount, batchCount));
}
}
}