| /* |
| * 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.Date; |
| import org.apache.hadoop.hive.ql.metadata.HiveException; |
| import org.apache.hadoop.hive.serde2.io.DateWritableV2; |
| import org.apache.hadoop.hive.serde2.io.DoubleWritable; |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory; |
| import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; |
| import org.apache.hadoop.io.FloatWritable; |
| import org.apache.hadoop.io.IntWritable; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static java.util.Arrays.asList; |
| |
| public class TestGenericUDFArrayPosition { |
| private final GenericUDFArrayPosition udf = new GenericUDFArrayPosition(); |
| |
| @Test public void testPrimitive() throws HiveException { |
| ObjectInspector[] inputOIs = { ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector), |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector }; |
| udf.initialize(inputOIs); |
| |
| Object i1 = new IntWritable(3); |
| Object i2 = new IntWritable(1); |
| Object i3 = new IntWritable(2); |
| Object i4 = new IntWritable(1); |
| Object i5 = new IntWritable(5); |
| |
| runAndVerify(asList(i1, i2, i3, i4), i2, 2); |
| runAndVerify(asList(i1, i2, i3, i4), i5, 0); |
| |
| ObjectInspector[] inputOIfs = { ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableFloatObjectInspector), |
| PrimitiveObjectInspectorFactory.writableFloatObjectInspector }; |
| udf.initialize(inputOIfs); |
| |
| i1 = new FloatWritable(3.3f); |
| i2 = new FloatWritable(1.1f); |
| i3 = new FloatWritable(3.3f); |
| i4 = new FloatWritable(2.20f); |
| runAndVerify(asList(i1, i2, i3, i4), i1, 1); |
| runAndVerify(asList(i1, i2, i3, i4),null,null); //Test null element |
| } |
| |
| @Test public void testList() throws HiveException { |
| ObjectInspector[] inputOIs = { ObjectInspectorFactory.getStandardListObjectInspector( |
| ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableStringObjectInspector)), |
| ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableStringObjectInspector) }; |
| udf.initialize(inputOIs); |
| |
| Object i1 = asList(new Text("aa1"), new Text("dd"), new Text("cc"), new Text("bb")); |
| Object i2 = asList(new Text("aa2"), new Text("cc"), new Text("ba"), new Text("dd")); |
| Object i3 = asList(new Text("aa3"), new Text("cc"), new Text("dd"), new Text("ee"), new Text("bb")); |
| Object i4 = asList(new Text("aa4"), new Text("cc"), new Text("ddd"), new Text("bb")); |
| runAndVerify(asList(i1, i2, i2, i3, i4, i4), i2, 2); |
| } |
| |
| @Test public void testStruct() throws HiveException { |
| ObjectInspector[] inputOIs = { ObjectInspectorFactory.getStandardListObjectInspector( |
| ObjectInspectorFactory.getStandardStructObjectInspector(asList("f1", "f2", "f3", "f4"), |
| asList(PrimitiveObjectInspectorFactory.writableStringObjectInspector, |
| PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, |
| PrimitiveObjectInspectorFactory.writableDateObjectInspector, |
| ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector)))), |
| ObjectInspectorFactory.getStandardStructObjectInspector(asList("f1", "f2", "f3", "f4"), |
| asList(PrimitiveObjectInspectorFactory.writableStringObjectInspector, |
| PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, |
| PrimitiveObjectInspectorFactory.writableDateObjectInspector, |
| ObjectInspectorFactory.getStandardListObjectInspector( |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector))) }; |
| udf.initialize(inputOIs); |
| |
| Object i1 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritableV2(Date.of(2015, 5, 26)), |
| asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4))); |
| |
| Object i2 = asList(new Text("b"), new DoubleWritable(3.14), new DateWritableV2(Date.of(2015, 5, 26)), |
| asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4))); |
| |
| Object i3 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritableV2(Date.of(2015, 5, 25)), |
| asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(5))); |
| |
| Object i4 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritableV2(Date.of(2015, 5, 25)), |
| asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4))); |
| |
| runAndVerify(asList(i1, i3, i2, i3, i4, i2), i2, 3); |
| } |
| |
| @Test public void testMap() throws HiveException { |
| ObjectInspector[] inputOIs = { ObjectInspectorFactory.getStandardListObjectInspector( |
| ObjectInspectorFactory.getStandardMapObjectInspector( |
| PrimitiveObjectInspectorFactory.writableStringObjectInspector, |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector)), |
| ObjectInspectorFactory.getStandardMapObjectInspector( |
| PrimitiveObjectInspectorFactory.writableStringObjectInspector, |
| PrimitiveObjectInspectorFactory.writableIntObjectInspector) }; |
| udf.initialize(inputOIs); |
| |
| Map<Text, IntWritable> m1 = new HashMap<>(); |
| m1.put(new Text("a"), new IntWritable(4)); |
| m1.put(new Text("b"), new IntWritable(3)); |
| m1.put(new Text("c"), new IntWritable(1)); |
| m1.put(new Text("d"), new IntWritable(2)); |
| |
| Map<Text, IntWritable> m2 = new HashMap<>(); |
| m2.put(new Text("d"), new IntWritable(4)); |
| m2.put(new Text("b"), new IntWritable(3)); |
| m2.put(new Text("a"), new IntWritable(1)); |
| m2.put(new Text("c"), new IntWritable(2)); |
| |
| Map<Text, IntWritable> m3 = new HashMap<>(); |
| m3.put(new Text("d"), new IntWritable(4)); |
| m3.put(new Text("b"), new IntWritable(3)); |
| m3.put(new Text("a"), new IntWritable(1)); |
| |
| runAndVerify(asList(m1, m3, m2, m3, m1), m1, 1); |
| } |
| |
| private void runAndVerify(List<Object> actual, Object element, Object expected) |
| throws HiveException { |
| GenericUDF.DeferredJavaObject[] args = { new GenericUDF.DeferredJavaObject(actual), new GenericUDF.DeferredJavaObject(element) }; |
| Object result = udf.evaluate(args); |
| if(expected == null){ |
| Assert.assertNull(result); |
| } |
| else { |
| Assert.assertEquals("index value", expected, ((IntWritable)result).get()); |
| } |
| } |
| } |