/**
* 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Iterator;
import java.util.List;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.client.DrillClient;
import org.apache.drill.exec.pop.PopUnitTestBase;
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;
public class TestDecimal extends PopUnitTestBase{
DrillConfig c = DrillConfig.create();
@Test
public void testSimpleDecimal() throws Exception {
/* Function checks casting from VarChar to Decimal9, Decimal18 and vice versa
* Also tests instances where the scale might have to truncated when scale provided < input fraction
*/
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/cast_simple_decimal.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_simple_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(0);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
String decimal9Output[] = {"99.0000", "11.1235", "0.1000", "-0.1200", "-123.1234", "-1.0001"};
String decimal18Output[] = {"123456789.000000000", "11.123456789", "0.100000000", "-0.100400000", "-987654321.123456789", "-2.030100000"};
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
// Check the output of decimal9
ValueVector.Accessor dec9Accessor = itr.next().getValueVector().getAccessor();
ValueVector.Accessor dec18Accessor = itr.next().getValueVector().getAccessor();
for (int i = 0; i < dec9Accessor.getValueCount(); i++) {
assertEquals(dec9Accessor.getObject(i).toString(), decimal9Output[i]);
assertEquals(dec18Accessor.getObject(i).toString(), decimal18Output[i]);
}
assertEquals(6, dec9Accessor.getValueCount());
assertEquals(6, dec18Accessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
@Test
public void testCastFromFloat() throws Exception {
// Function checks for casting from Float, Double to Decimal data types
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/cast_float_decimal.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_simple_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(0);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
String decimal9Output[] = {"99.0000", "11.1235", "0.1000", "-0.1200", "-123.1234", "-1.0001"};
String decimal38Output[] = {"123456789.0000", "11.1235", "0.1000", "-0.1004", "-987654321.1235", "-2.0301"};
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
// Check the output of decimal9
ValueVector.Accessor dec9Accessor = itr.next().getValueVector().getAccessor();
ValueVector.Accessor dec38Accessor = itr.next().getValueVector().getAccessor();
for (int i = 0; i < dec9Accessor.getValueCount(); i++) {
assertEquals(dec9Accessor.getObject(i).toString(), decimal9Output[i]);
assertEquals(dec38Accessor.getObject(i).toString(), decimal38Output[i]);
}
assertEquals(6, dec9Accessor.getValueCount());
assertEquals(6, dec38Accessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
@Test
public void testSimpleDecimalArithmetic() throws Exception {
// Function checks arithmetic operations on Decimal18
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/simple_decimal_arithmetic.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_simple_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(0);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
String addOutput[] = {"123456888.0", "22.2", "0.2", "-0.2", "-987654444.2","-3.0"};
String subtractOutput[] = {"123456690.0", "0.0", "0.0", "0.0", "-987654198.0", "-1.0"};
String multiplyOutput[] = {"12222222111.00" , "123.21" , "0.01", "0.01", "121580246927.41", "2.00"};
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
// Check the output of add
ValueVector.Accessor addAccessor = itr.next().getValueVector().getAccessor();
ValueVector.Accessor subAccessor = itr.next().getValueVector().getAccessor();
ValueVector.Accessor mulAccessor = itr.next().getValueVector().getAccessor();
for (int i = 0; i < addAccessor.getValueCount(); i++) {
assertEquals(addAccessor.getObject(i).toString(), addOutput[i]);
assertEquals(subAccessor.getObject(i).toString(), subtractOutput[i]);
assertEquals(mulAccessor.getObject(i).toString(), multiplyOutput[i]);
}
assertEquals(6, addAccessor.getValueCount());
assertEquals(6, subAccessor.getValueCount());
assertEquals(6, mulAccessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
@Test
public void testComplexDecimal() throws Exception {
/* Function checks casting between varchar and decimal38sparse
* Also checks arithmetic on decimal38sparse
*/
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/test_decimal_complex.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_complex_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(0);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
String addOutput[] = {"-99999998877.700000000", "11.423456789", "123456789.100000000", "-0.119998000", "100000000112.423456789" , "-99999999879.907000000", "123456789123456801.300000000"};
String subtractOutput[] = {"-100000001124.300000000", "10.823456789", "-123456788.900000000", "-0.120002000", "99999999889.823456789", "-100000000122.093000000", "123456789123456776.700000000"};
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
ValueVector.Accessor addAccessor = itr.next().getValueVector().getAccessor();
ValueVector.Accessor subAccessor = itr.next().getValueVector().getAccessor();
for (int i = 0; i < addAccessor.getValueCount(); i++) {
assertEquals(addAccessor.getObject(i).toString(), addOutput[i]);
assertEquals(subAccessor.getObject(i).toString(), subtractOutput[i]);
}
assertEquals(7, addAccessor.getValueCount());
assertEquals(7, subAccessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
@Test
public void testComplexDecimalSort() throws Exception {
// Function checks if sort output on complex decimal type works
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/test_decimal_sort_complex.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_sort_complex_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(1);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
String sortOutput[] = {"-100000000001.000000000000",
"-100000000001.000000000000",
"-145456789.120123000000",
"-0.120000000000",
"0.100000000001",
"11.123456789012",
"1278789.100000000000",
"145456789.120123000000",
"100000000001.123456789001",
"123456789123456789.000000000000"};
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
// Check the output of sort
VectorWrapper<?> v = itr.next();
ValueVector.Accessor accessor = v.getValueVector().getAccessor();
for (int i = 0; i < accessor.getValueCount(); i++) {
assertEquals(sortOutput[i], accessor.getObject(i).toString());
}
assertEquals(10, accessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
@Test
public void testSimpleDecimalMathFunc() throws Exception {
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(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/decimal/simple_decimal_math.json"), Charsets.UTF_8)
.replace("#{TEST_FILE}", "/input_simple_decimal.json")
);
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryDataBatch batch = results.get(0);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
// Check the output of decimal18
ValueVector.Accessor dec18Accessor = itr.next().getValueVector().getAccessor();
assertEquals(6, dec18Accessor.getValueCount());
batchLoader.clear();
for (QueryDataBatch result : results) {
result.release();
}
}
}
}