Examples with PercentileContLongEvaluator org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont.PercentileContLongEvaluator used on opensource projects

Example 1 with PercentileContLongEvaluator

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont.PercentileContLongEvaluator in project hive by apache.

the class TestGenericUDAFPercentileCont method checkPercentile.

@SuppressWarnings({ "unchecked", "resource" })
private void checkPercentile(Double[] items, double percentile, double expected) throws Exception {
    PercentileContDoubleEvaluator eval = new GenericUDAFPercentileCont.PercentileContDoubleEvaluator();
    PercentileAgg agg = new PercentileContLongEvaluator().new PercentileAgg();
    agg.percentiles = new ArrayList<DoubleWritable>();
    agg.percentiles.add(new DoubleWritable(percentile));
    agg.isAscending = true;
    for (int i = 0; i < items.length; i++) {
        eval.increment(agg, new DoubleWritable(items[i]), 1);
    }
    DoubleWritable result = (DoubleWritable) eval.terminate(agg);
    Assert.assertEquals(expected, result.get(), 0.01);
    eval.close();
}

Example 2 with PercentileContLongEvaluator

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont.PercentileContLongEvaluator in project hive by apache.

the class TestGenericUDAFPercentileCont method checkPercentile.

@SuppressWarnings({ "unchecked", "resource" })
private void checkPercentile(Long[] items, double percentile, double expected) throws Exception {
    PercentileContLongEvaluator eval = new GenericUDAFPercentileCont.PercentileContLongEvaluator();
    PercentileAgg agg = new PercentileContLongEvaluator().new PercentileAgg();
    agg.percentiles = new ArrayList<DoubleWritable>();
    agg.percentiles.add(new DoubleWritable(percentile));
    agg.isAscending = true;
    for (int i = 0; i < items.length; i++) {
        eval.increment(agg, new LongWritable(items[i]), 1);
    }
    DoubleWritable result = (DoubleWritable) eval.terminate(agg);
    Assert.assertEquals(expected, result.get(), 0.01);
    eval.close();
}

Example 3 with PercentileContLongEvaluator

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont.PercentileContLongEvaluator in project hive by apache.

the class TestGenericUDAFPercentileDisc method checkPercentile.

private void checkPercentile(Long[] items, double percentile, double expected) throws Exception {
    PercentileContLongEvaluator eval = new GenericUDAFPercentileDisc.PercentileDiscLongEvaluator();
    PercentileAgg agg = new PercentileContLongEvaluator().new PercentileAgg();
    agg.percentiles = new ArrayList<DoubleWritable>();
    agg.percentiles.add(new DoubleWritable(percentile));
    agg.isAscending = true;
    for (int i = 0; i < items.length; i++) {
        eval.increment(agg, new LongWritable(items[i]), 1);
    }
    DoubleWritable result = (DoubleWritable) eval.terminate(agg);
    Assert.assertEquals(expected, result.get(), 0.01);
    eval.close();
}