Package brickhouse.udf.collect.CollectMaxUDAF

Examples of brickhouse.udf.collect.CollectMaxUDAF.MapCollectMaxUDAFEvaluator

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public class CollectMaxTest {


  ///@Test
  public void testCollectMaxAggBuffer() throws HiveException {
    MapCollectMaxUDAFEvaluator maxEval = new MapCollectMaxUDAFEvaluator(true);
 
    WritableStringObjectInspector keyOI = (WritableStringObjectInspector) PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.STRING);
    WritableIntObjectInspector valOI = (WritableIntObjectInspector) PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.INT);
   
   
    maxEval.init( Mode.PARTIAL1, new ObjectInspector[] { keyOI, valOI} );
   
   
    MapAggBuffer buffer = (MapAggBuffer) maxEval.getNewAggregationBuffer();
   
    Text key = new Text();
      IntWritable val =   new IntWritable();
    for(int i=0; i<100; i++) {
      key.set(" Key # " + i);
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  }
   
  @Test
  public void testCollectMinAggBuffer() throws HiveException {
    MapCollectMaxUDAFEvaluator maxEval = new MapCollectMaxUDAFEvaluator(false);
 
    WritableStringObjectInspector keyOI = (WritableStringObjectInspector) PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.STRING);
    WritableIntObjectInspector valOI = (WritableIntObjectInspector) PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.INT);
   
   
    maxEval.init( Mode.PARTIAL1, new ObjectInspector[] { keyOI, valOI} );
   
   
    MapAggBuffer buffer = (MapAggBuffer) maxEval.getNewAggregationBuffer();
   
    Text key = new Text();
      IntWritable val =   new IntWritable();
    for(int i=100; i>=0; i--) {
      key.set(" Key # " + i);
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Related Classes of brickhouse.udf.collect.CollectMaxUDAF.MapCollectMaxUDAFEvaluator

  • brickhouse.udf.collect.CollectMaxTest
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