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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.hadoop.hive.ql.udf.generic;
import org.apache.hadoop.hive.common.type.HiveDecimal;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject;
import org.apache.hadoop.hive.serde2.io.ByteWritable;
import org.apache.hadoop.hive.serde2.io.DoubleWritable;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
import org.apache.hadoop.hive.serde2.io.ShortWritable;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import org.apache.hadoop.io.FloatWritable;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.junit.Assert;
import org.junit.Test;
public class TestGenericUDFPosMod extends TestGenericUDFOPNumeric {
@Test
public void testPosModByZero1() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Byte
ByteWritable b1 = new ByteWritable((byte) 4);
ByteWritable b2 = new ByteWritable((byte) 0);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableByteObjectInspector,
PrimitiveObjectInspectorFactory.writableByteObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(b1),
new DeferredJavaObject(b2),
};
udf.initialize(inputOIs);
ByteWritable b3 = (ByteWritable) udf.evaluate(args);
Assert.assertNull(b3);
}
@Test
public void testPosModByZero2() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Short
ShortWritable s1 = new ShortWritable((short) 4);
ShortWritable s2 = new ShortWritable((short) 0);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableShortObjectInspector,
PrimitiveObjectInspectorFactory.writableShortObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(s1),
new DeferredJavaObject(s2),
};
udf.initialize(inputOIs);
ShortWritable s3 = (ShortWritable) udf.evaluate(args);
Assert.assertNull(s3);
}
@Test
public void testPosModByZero3() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Int
IntWritable i1 = new IntWritable(4);
IntWritable i2 = new IntWritable(0);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableIntObjectInspector,
PrimitiveObjectInspectorFactory.writableIntObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(i1),
new DeferredJavaObject(i2),
};
udf.initialize(inputOIs);
IntWritable i3 = (IntWritable) udf.evaluate(args);
Assert.assertNull(i3);
}
@Test
public void testPosModByZero4() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Long
LongWritable l1 = new LongWritable(4);
LongWritable l2 = new LongWritable(0L);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableLongObjectInspector,
PrimitiveObjectInspectorFactory.writableLongObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(l1),
new DeferredJavaObject(l2),
};
udf.initialize(inputOIs);
LongWritable l3 = (LongWritable) udf.evaluate(args);
Assert.assertNull(l3);
}
@Test
public void testPosModByZero5() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Float
FloatWritable f1 = new FloatWritable(4.5f);
FloatWritable f2 = new FloatWritable(0.0f);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableFloatObjectInspector,
PrimitiveObjectInspectorFactory.writableFloatObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(f1),
new DeferredJavaObject(f2),
};
udf.initialize(inputOIs);
FloatWritable f3 = (FloatWritable) udf.evaluate(args);
Assert.assertNull(f3);
}
@Test
public void testPosModByZero6() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Double
DoubleWritable d1 = new DoubleWritable(4.5);
DoubleWritable d2 = new DoubleWritable(0.0);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector,
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(d1),
new DeferredJavaObject(d2),
};
udf.initialize(inputOIs);
DoubleWritable d3 = (DoubleWritable) udf.evaluate(args);
Assert.assertNull(d3);
}
@Test
public void testPosModByZero8() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
// Decimal
HiveDecimalWritable dec1 = new HiveDecimalWritable(HiveDecimal.create("4.5"));
HiveDecimalWritable dec2 = new HiveDecimalWritable(HiveDecimal.create("0"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(2, 1)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(1, 0))
};
DeferredObject[] args = {
new DeferredJavaObject(dec1),
new DeferredJavaObject(dec2),
};
udf.initialize(inputOIs);
HiveDecimalWritable dec3 = (HiveDecimalWritable) udf.evaluate(args);
Assert.assertNull(dec3);
}
@Test
public void testDecimalPosModDecimal() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(3, 1)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2))
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(5, 2), oi.getTypeInfo());
}
@Test
public void testDecimalPosModDecimalSameParams() throws HiveException {
GenericUDFPosMod udf = new GenericUDFPosMod();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2))
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(5, 2), oi.getTypeInfo());
}
}