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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.fn.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.List;
import org.apache.drill.categories.OperatorTest;
import org.apache.drill.common.util.DrillFileUtils;
import org.apache.drill.exec.client.DrillClient;
import org.apache.drill.exec.pop.PopUnitTestBase;
import org.apache.drill.exec.proto.UserBitShared.QueryType;
import org.apache.drill.exec.record.RecordBatchLoader;
import org.apache.drill.exec.record.VectorWrapper;
import org.apache.drill.exec.rpc.user.QueryDataBatch;
import org.apache.drill.exec.server.Drillbit;
import org.apache.drill.exec.server.RemoteServiceSet;
import org.apache.drill.exec.vector.ValueVector;
import org.junit.Test;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import org.junit.experimental.categories.Category;
@Category(OperatorTest.class)
public class TestAggregateFunction extends PopUnitTestBase {
public void runTest(Object[] values, String planPath, String dataPath) throws Throwable {
try (RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
Drillbit bit = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
// run query.
bit.run();
client.connect();
List<QueryDataBatch> results = client.runQuery(QueryType.PHYSICAL,
Files.toString(DrillFileUtils.getResourceAsFile(planPath), Charsets.UTF_8).replace("#{TEST_FILE}", dataPath));
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(1);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
int i = 0;
for (VectorWrapper<?> v : batchLoader) {
ValueVector.Accessor accessor = v.getValueVector().getAccessor();
assertEquals(values[i++], (accessor.getObject(0)));
}
batchLoader.clear();
for(QueryDataBatch b : results) {
b.release();
}
}
}
@Test
public void testSortDate() throws Throwable {
String planPath = "/functions/test_stddev_variance.json";
String dataPath = "/simple_stddev_variance_input.json";
Double expectedValues[] = {2.0d, 2.138089935299395d, 2.138089935299395d, 4.0d, 4.571428571428571d, 4.571428571428571d};
runTest(expectedValues, planPath, dataPath);
}
@Test
public void testCovarianceCorrelation() throws Throwable {
String planPath = "/functions/test_covariance.json";
String dataPath = "/covariance_input.json";
Double expectedValues[] = {4.571428571428571d, 4.857142857142857d, -6.000000000000002d, 4.0d, 4.25d, -5.250000000000002d, 1.0d, 0.9274260335029677d, -1.0000000000000004d};
runTest(expectedValues, planPath, dataPath);
}
}
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