Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.iterate()

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    ObjectInspector outputOi = udafEvaluator.init(m, inputOiList);
   
    Object[] parameters = new Object[] { null , 12 };
    AggregationBuffer agg = udafEvaluator.getNewAggregationBuffer();
    udafEvaluator.reset(agg);
    udafEvaluator.iterate(agg, parameters);
    Object result = udafEvaluator.terminate(agg);
   
    LOG.info("result = " + result);
   
    Assert.assertNull(result);
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    Mode m2 = Mode.PARTIAL1;
    ObjectInspector partialOutputOi2 = udafEvaluator2.init(m2, inputOiList2);
    AggregationBuffer agg2 = udafEvaluator2.getNewAggregationBuffer();
    udafEvaluator2.reset(agg2);
    udafEvaluator2.iterate(agg2, new Object[] { null , 12 });
    Object res2 = udafEvaluator2.terminate(agg2);
   
    ObjectInspector finalOutputOi = udafEvaluator2.init(Mode.FINAL, new ObjectInspector[] {partialOutputOi1});
   
    AggregationBuffer agg3 = udafEvaluator2.getNewAggregationBuffer();
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    ObjectInspector finalOutputOi = udafEvaluator.init(m, inputOiList);
   
    Object[] parameters = new Object[] { "foo" , 12 };
    AggregationBuffer agg = udafEvaluator.getNewAggregationBuffer();
    udafEvaluator.reset(agg);
    udafEvaluator.iterate(agg, parameters);
    Object result = udafEvaluator.terminate(agg);
   
    LOG.info("result = " + result);
   
    Assert.assertNotNull(result);
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    String uuid;
    HashMap<String, Integer> h = new HashMap<String, Integer>();
    for (int i = 0; i < uniqueCount; i++) {
      uuid = UUID.randomUUID().toString();
      h.put(uuid, 1);
      udafEvaluator.iterate(agg, new Object[] { uuid , precision });
    }
   
    Object result = udafEvaluator.terminate(agg);
    Assert.assertNotNull(result);
   
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