/**
* 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.HiveCharWritable;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
import org.apache.hadoop.hive.serde2.io.HiveVarcharWritable;
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.Text;
import org.junit.Assert;
import org.junit.Test;
public class TestGenericUDFPrintf {
@Test
public void testCharVarcharArgs() throws HiveException {
GenericUDFPrintf udf = new GenericUDFPrintf();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getCharTypeInfo(5)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getVarcharTypeInfo(7))
};
HiveCharWritable argChar = new HiveCharWritable();
argChar.set("hello");
HiveVarcharWritable argVarchar = new HiveVarcharWritable();
argVarchar.set("world");
DeferredObject[] args = {
new DeferredJavaObject(new Text("1st: %s, 2nd: %s")),
new DeferredJavaObject(argChar),
new DeferredJavaObject(argVarchar)
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(PrimitiveObjectInspectorFactory.writableStringObjectInspector, oi);
Text res = (Text) udf.evaluate(args);
Assert.assertEquals("1st: hello, 2nd: world", res.toString());
}
@Test
public void testCharFormat() throws HiveException {
GenericUDFPrintf udf = new GenericUDFPrintf();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getCharTypeInfo(10)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getVarcharTypeInfo(7))
};
HiveCharWritable formatChar = new HiveCharWritable();
formatChar.set("arg1=%s");
HiveVarcharWritable argVarchar = new HiveVarcharWritable();
argVarchar.set("world");
DeferredObject[] args = {
new DeferredJavaObject(formatChar),
new DeferredJavaObject(argVarchar)
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(PrimitiveObjectInspectorFactory.writableStringObjectInspector, oi);
Text res = (Text) udf.evaluate(args);
Assert.assertEquals("arg1=world", res.toString());
}
@Test
public void testVarcharFormat() throws HiveException {
GenericUDFPrintf udf = new GenericUDFPrintf();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getVarcharTypeInfo(7)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getCharTypeInfo(5))
};
HiveCharWritable argChar = new HiveCharWritable();
argChar.set("hello");
HiveVarcharWritable formatVarchar = new HiveVarcharWritable();
formatVarchar.set("arg1=%s");
DeferredObject[] args = {
new DeferredJavaObject(formatVarchar),
new DeferredJavaObject(argChar)
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(PrimitiveObjectInspectorFactory.writableStringObjectInspector, oi);
Text res = (Text) udf.evaluate(args);
Assert.assertEquals("arg1=hello", res.toString());
}
@Test
public void testDecimalArgs() throws HiveException {
GenericUDFPrintf udf = new GenericUDFPrintf();
ObjectInspector[] inputOIs = {
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2)),
PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(3, 2))
};
HiveDecimalWritable argDec1 = new HiveDecimalWritable();
argDec1.set(HiveDecimal.create("234.789"));
HiveDecimalWritable argDec2 = new HiveDecimalWritable();
argDec2.set(HiveDecimal.create("3.5"));
DeferredObject[] args = {
new DeferredJavaObject(new Text("1st: %s, 2nd: %s")),
new DeferredJavaObject(argDec1),
new DeferredJavaObject(argDec2)
};
PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
Assert.assertEquals(PrimitiveObjectInspectorFactory.writableStringObjectInspector, oi);
Text res = (Text) udf.evaluate(args);
Assert.assertEquals("1st: 234.79, 2nd: 3.5", res.toString());
}
}