/**
* 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.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.DateWritable;
import org.apache.hadoop.hive.serde2.io.TimestampWritable;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import junit.framework.TestCase;
public class TestGenericUDFFromUtcTimestamp extends TestCase {
public static void runAndVerify(GenericUDF udf,
Object arg1, Object arg2, Object expected) throws HiveException {
DeferredObject[] args = { new DeferredJavaObject(arg1), new DeferredJavaObject(arg2) };
Object result = udf.evaluate(args);
if (expected == null) {
assertNull(result);
} else {
assertEquals(expected.toString(), result.toString());
}
}
public void testFromUtcTimestamp() throws Exception {
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
GenericUDFFromUtcTimestamp udf = new GenericUDFFromUtcTimestamp();
ObjectInspector[] args2 = {valueOI, valueOI};
udf.initialize(args2);
runAndVerify(udf,
new Text("2015-03-28 17:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 17:00:00"));
runAndVerify(udf,
new Text("2015-03-28 18:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 18:00:00"));
runAndVerify(udf,
new Text("2015-03-28 19:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 19:00:00"));
// Make sure nanos are preserved
runAndVerify(udf,
new Text("2015-03-28 18:00:00.123456789"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 18:00:00.123456789"));
}
public void testToUtcTimestamp() throws Exception {
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
GenericUDFToUtcTimestamp udf = new GenericUDFToUtcTimestamp();
ObjectInspector[] args2 = {valueOI, valueOI};
udf.initialize(args2);
runAndVerify(udf,
new Text("2015-03-28 17:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 17:00:00"));
runAndVerify(udf,
new Text("2015-03-28 18:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 18:00:00"));
runAndVerify(udf,
new Text("2015-03-28 19:00:00"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 19:00:00"));
// Make sure nanos are preserved
runAndVerify(udf,
new Text("2015-03-28 18:00:00.123456789"), new Text("Europe/London"),
Timestamp.valueOf("2015-03-28 18:00:00.123456789"));
}
}