/**
* 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 java.sql.Date;
import java.sql.Timestamp;
import org.apache.hadoop.hive.common.type.HiveDecimal;
import org.apache.hadoop.hive.common.type.HiveIntervalDayTime;
import org.apache.hadoop.hive.common.type.HiveIntervalYearMonth;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.session.SessionState;
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.DateWritable;
import org.apache.hadoop.hive.serde2.io.DoubleWritable;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
import org.apache.hadoop.hive.serde2.io.HiveIntervalDayTimeWritable;
import org.apache.hadoop.hive.serde2.io.HiveIntervalYearMonthWritable;
import org.apache.hadoop.hive.serde2.io.HiveVarcharWritable;
import org.apache.hadoop.hive.serde2.io.ShortWritable;
import org.apache.hadoop.hive.serde2.io.TimestampWritable;
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 TestGenericUDFOPMinus extends AbstractTestGenericUDFOPNumeric {
@Test
public void testByteMinusShort() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
ByteWritable left = new ByteWritable((byte) 4);
ShortWritable right = new ShortWritable((short) 6);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableByteObjectInspector,
PrimitiveObjectInspectorFactory.writableShortObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.shortTypeInfo);
ShortWritable res = (ShortWritable) udf.evaluate(args);
Assert.assertEquals(-2, res.get());
}
@Test
public void testVarcharMinusInt() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
HiveVarcharWritable left = new HiveVarcharWritable();
left.set("123");
IntWritable right = new IntWritable(456);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableHiveVarcharObjectInspector,
PrimitiveObjectInspectorFactory.writableIntObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.doubleTypeInfo);
DoubleWritable res = (DoubleWritable) udf.evaluate(args);
Assert.assertEquals(new Double(-333.0), new Double(res.get()));
}
@Test
public void testDoubleMinusLong() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
// Int
DoubleWritable left = new DoubleWritable(4.5);
LongWritable right = new LongWritable(10);
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector,
PrimitiveObjectInspectorFactory.writableLongObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.doubleTypeInfo, oi.getTypeInfo());
DoubleWritable res = (DoubleWritable) udf.evaluate(args);
Assert.assertEquals(new Double(-5.5), new Double(res.get()));
}
@Test
public void testLongMinusDecimal() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
LongWritable left = new LongWritable(104);
HiveDecimalWritable right = new HiveDecimalWritable(HiveDecimal.create("234.97"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableLongObjectInspector,
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(9, 4))
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(24,4), oi.getTypeInfo());
HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
Assert.assertEquals(HiveDecimal.create("-130.97"), res.getHiveDecimal());
}
@Test
public void testFloatMinusFloat() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
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),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.floatTypeInfo);
FloatWritable res = (FloatWritable) udf.evaluate(args);
Assert.assertEquals(new Float(4.5), new Float(res.get()));
}
@Test
public void testDouleMinusDecimal() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
DoubleWritable left = new DoubleWritable(74.52);
HiveDecimalWritable right = new HiveDecimalWritable(HiveDecimal.create("234.97"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector,
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2))
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.doubleTypeInfo, oi.getTypeInfo());
DoubleWritable res = (DoubleWritable) udf.evaluate(args);
Assert.assertEquals(new Double(-160.45), new Double(res.get()));
}
@Test
public void testDecimalMinusDecimal() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
HiveDecimalWritable left = new HiveDecimalWritable(HiveDecimal.create("14.5"));
HiveDecimalWritable right = new HiveDecimalWritable(HiveDecimal.create("234.97"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(3, 1)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2))
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(6,2), oi.getTypeInfo());
HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
Assert.assertEquals( HiveDecimal.create("-220.47"), res.getHiveDecimal());
}
@Test
public void testDecimalMinusDecimalSameParams() throws HiveException {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2))
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(6, 2), oi.getTypeInfo());
}
@Test
public void testReturnTypeBackwardCompat() throws Exception {
// Disable ansi sql arithmetic changes
SessionState.get().getConf().setVar(HiveConf.ConfVars.HIVE_COMPAT, "0.12");
verifyReturnType(new GenericUDFOPMinus(), "int", "int", "int");
verifyReturnType(new GenericUDFOPMinus(), "int", "float", "float");
verifyReturnType(new GenericUDFOPMinus(), "int", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "int", "decimal(10,2)", "decimal(13,2)");
verifyReturnType(new GenericUDFOPMinus(), "float", "float", "float");
verifyReturnType(new GenericUDFOPMinus(), "float", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "float", "decimal(10,2)", "float");
verifyReturnType(new GenericUDFOPMinus(), "double", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "double", "decimal(10,2)", "double");
verifyReturnType(new GenericUDFOPMinus(), "decimal(10,2)", "decimal(10,2)", "decimal(11,2)");
// Most tests are done with ANSI SQL mode enabled, set it back to true
SessionState.get().getConf().setVar(HiveConf.ConfVars.HIVE_COMPAT, "latest");
}
@Test
public void testReturnTypeAnsiSql() throws Exception {
SessionState.get().getConf().setVar(HiveConf.ConfVars.HIVE_COMPAT, "latest");
verifyReturnType(new GenericUDFOPMinus(), "int", "int", "int");
verifyReturnType(new GenericUDFOPMinus(), "int", "float", "float");
verifyReturnType(new GenericUDFOPMinus(), "int", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "int", "decimal(10,2)", "decimal(13,2)");
verifyReturnType(new GenericUDFOPMinus(), "float", "float", "float");
verifyReturnType(new GenericUDFOPMinus(), "float", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "float", "decimal(10,2)", "float");
verifyReturnType(new GenericUDFOPMinus(), "double", "double", "double");
verifyReturnType(new GenericUDFOPMinus(), "double", "decimal(10,2)", "double");
verifyReturnType(new GenericUDFOPMinus(), "decimal(10,2)", "decimal(10,2)", "decimal(11,2)");
}
@Test
public void testIntervalYearMonthMinusIntervalYearMonth() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
HiveIntervalYearMonthWritable left =
new HiveIntervalYearMonthWritable(HiveIntervalYearMonth.valueOf("3-1"));
HiveIntervalYearMonthWritable right =
new HiveIntervalYearMonthWritable(HiveIntervalYearMonth.valueOf("1-2"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableHiveIntervalYearMonthObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalYearMonthObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.intervalYearMonthTypeInfo, oi.getTypeInfo());
HiveIntervalYearMonthWritable res = (HiveIntervalYearMonthWritable) udf.evaluate(args);
Assert.assertEquals(HiveIntervalYearMonth.valueOf("1-11"), res.getHiveIntervalYearMonth());
}
@Test
public void testDateMinusIntervalYearMonth() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
DateWritable left =
new DateWritable(Date.valueOf("2004-02-15"));
HiveIntervalYearMonthWritable right =
new HiveIntervalYearMonthWritable(HiveIntervalYearMonth.valueOf("2-8"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableDateObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalYearMonthObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.dateTypeInfo, oi.getTypeInfo());
DateWritable res = (DateWritable) udf.evaluate(args);
Assert.assertEquals(Date.valueOf("2001-06-15"), res.get());
}
@Test
public void testTimestampMinusIntervalYearMonth() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
TimestampWritable left =
new TimestampWritable(Timestamp.valueOf("2004-01-15 01:02:03.123456789"));
HiveIntervalYearMonthWritable right =
new HiveIntervalYearMonthWritable(HiveIntervalYearMonth.valueOf("2-2"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableTimestampObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalYearMonthObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.timestampTypeInfo, oi.getTypeInfo());
TimestampWritable res = (TimestampWritable) udf.evaluate(args);
Assert.assertEquals(Timestamp.valueOf("2001-11-15 01:02:03.123456789"), res.getTimestamp());
}
@Test
public void testIntervalDayTimeMinusIntervalDayTime() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
HiveIntervalDayTimeWritable left =
new HiveIntervalDayTimeWritable(HiveIntervalDayTime.valueOf("2 2:3:4.567"));
HiveIntervalDayTimeWritable right =
new HiveIntervalDayTimeWritable(HiveIntervalDayTime.valueOf("1 2:3:4"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableHiveIntervalDayTimeObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalDayTimeObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.intervalDayTimeTypeInfo, oi.getTypeInfo());
HiveIntervalDayTimeWritable res = (HiveIntervalDayTimeWritable) udf.evaluate(args);
Assert.assertEquals(HiveIntervalDayTime.valueOf("1 0:0:0.567"), res.getHiveIntervalDayTime());
}
@Test
public void testTimestampMinusIntervalDayTime() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
TimestampWritable left =
new TimestampWritable(Timestamp.valueOf("2001-01-02 2:3:4.567"));
HiveIntervalDayTimeWritable right =
new HiveIntervalDayTimeWritable(HiveIntervalDayTime.valueOf("1 2:3:4.567"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableTimestampObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalDayTimeObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.timestampTypeInfo, oi.getTypeInfo());
TimestampWritable res = (TimestampWritable) udf.evaluate(args);
Assert.assertEquals(Timestamp.valueOf("2001-01-01 00:00:00"), res.getTimestamp());
}
@Test
public void testDateMinusIntervalDayTime() throws Exception {
GenericUDFOPMinus udf = new GenericUDFOPMinus();
DateWritable left =
new DateWritable(Date.valueOf("2001-01-01"));
HiveIntervalDayTimeWritable right =
new HiveIntervalDayTimeWritable(HiveIntervalDayTime.valueOf("1 0:0:0.555"));
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableDateObjectInspector,
PrimitiveObjectInspectorFactory.writableHiveIntervalDayTimeObjectInspector
};
DeferredObject[] args = {
new DeferredJavaObject(left),
new DeferredJavaObject(right),
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(TypeInfoFactory.timestampTypeInfo, oi.getTypeInfo());
TimestampWritable res = (TimestampWritable) udf.evaluate(args);
Assert.assertEquals(Timestamp.valueOf("2000-12-30 23:59:59.445"), res.getTimestamp());
}
}