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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,
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package org.apache.hadoop.hive.serde2.avro;
import static org.junit.Assert.assertNull;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.hive.serde2.lazy.ByteArrayRef;
import org.apache.hadoop.hive.serde2.lazy.LazyStruct;
import org.apache.hadoop.hive.serde2.lazy.objectinspector.LazyObjectInspectorFactory;
import org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyPrimitiveObjectInspectorFactory;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.StructField;
import org.apache.hadoop.io.Text;
import org.junit.Test;
public class TestAvroLazyObjectInspector {
@Test
public void testEmptyData(){
List<String> fieldNames = new ArrayList<String>();
fieldNames.add("myField");
List<ObjectInspector> ois = new ArrayList<ObjectInspector>();
ois.add(LazyPrimitiveObjectInspectorFactory.getLazyStringObjectInspector(false, new Byte((byte) 0)));
AvroLazyObjectInspector aloi = new AvroLazyObjectInspector(fieldNames, ois, null, (byte)0, new Text(), false, false, (byte)0);
LazyStruct lazyStruct = new LazyStruct(LazyObjectInspectorFactory.getLazySimpleStructObjectInspector(fieldNames, ois, (byte)0, new Text(), false, false, (byte)0));
ByteArrayRef byteArrayRef = new ByteArrayRef();
byteArrayRef.setData(new byte[0]); // set data to empty explicitly
lazyStruct.init(byteArrayRef, 0, 0);
assertNull(aloi.getStructFieldData(lazyStruct, new TestStructField()));
}
class TestStructField implements StructField {
@Override
public String getFieldName() {
return "testfield";
}
@Override
public ObjectInspector getFieldObjectInspector() {
return LazyPrimitiveObjectInspectorFactory.getLazyStringObjectInspector(false, new Byte((byte) 0));
}
@Override
public int getFieldID() {
return 0;
}
@Override
public String getFieldComment() {
return null;
}
}
}