Examples with DoubleStatistics com.facebook.presto.hive.metastore.DoubleStatistics used on opensource projects

Example 1 with DoubleStatistics

use of com.facebook.presto.hive.metastore.DoubleStatistics in project presto by prestodb.

the class TestThriftHiveMetastoreUtil method testEmptyDoubleStatsToColumnStatistics.

@Test
public void testEmptyDoubleStatsToColumnStatistics() {
    DoubleColumnStatsData emptyDoubleColumnStatsData = new DoubleColumnStatsData();
    ColumnStatisticsObj columnStatisticsObj = new ColumnStatisticsObj("my_col", DOUBLE_TYPE_NAME, doubleStats(emptyDoubleColumnStatsData));
    HiveColumnStatistics actual = fromMetastoreApiColumnStatistics(columnStatisticsObj, OptionalLong.empty());
    assertEquals(actual.getIntegerStatistics(), Optional.empty());
    assertEquals(actual.getDoubleStatistics(), Optional.of(new DoubleStatistics(OptionalDouble.empty(), OptionalDouble.empty())));
    assertEquals(actual.getDecimalStatistics(), Optional.empty());
    assertEquals(actual.getDateStatistics(), Optional.empty());
    assertEquals(actual.getBooleanStatistics(), Optional.empty());
    assertEquals(actual.getMaxValueSizeInBytes(), OptionalLong.empty());
    assertEquals(actual.getTotalSizeInBytes(), OptionalLong.empty());
    assertEquals(actual.getNullsCount(), OptionalLong.empty());
    assertEquals(actual.getDistinctValuesCount(), OptionalLong.empty());
}

Example 2 with DoubleStatistics

use of com.facebook.presto.hive.metastore.DoubleStatistics in project presto by prestodb.

the class TestStatistics method testMergeDoubleColumnStatistics.

@Test
public void testMergeDoubleColumnStatistics() {
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.empty(), OptionalDouble.empty())).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.empty(), OptionalDouble.empty())).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.empty(), OptionalDouble.empty())).build());
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.of(1), OptionalDouble.of(2))).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.empty(), OptionalDouble.empty())).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.of(1), OptionalDouble.of(2))).build());
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.of(1), OptionalDouble.of(2))).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.of(0), OptionalDouble.of(3))).build(), HiveColumnStatistics.builder().setDoubleStatistics(new DoubleStatistics(OptionalDouble.of(0), OptionalDouble.of(3))).build());
}

Example 3 with DoubleStatistics

use of com.facebook.presto.hive.metastore.DoubleStatistics in project presto by prestodb.

the class TestThriftHiveMetastoreUtil method testDoubleStatsToColumnStatistics.

@Test
public void testDoubleStatsToColumnStatistics() {
    DoubleColumnStatsData doubleColumnStatsData = new DoubleColumnStatsData();
    doubleColumnStatsData.setLowValue(0);
    doubleColumnStatsData.setHighValue(100);
    doubleColumnStatsData.setNumNulls(1);
    doubleColumnStatsData.setNumDVs(20);
    ColumnStatisticsObj columnStatisticsObj = new ColumnStatisticsObj("my_col", DOUBLE_TYPE_NAME, doubleStats(doubleColumnStatsData));
    HiveColumnStatistics actual = fromMetastoreApiColumnStatistics(columnStatisticsObj, OptionalLong.of(1000));
    assertEquals(actual.getIntegerStatistics(), Optional.empty());
    assertEquals(actual.getDoubleStatistics(), Optional.of(new DoubleStatistics(OptionalDouble.of(0), OptionalDouble.of(100))));
    assertEquals(actual.getDecimalStatistics(), Optional.empty());
    assertEquals(actual.getDateStatistics(), Optional.empty());
    assertEquals(actual.getBooleanStatistics(), Optional.empty());
    assertEquals(actual.getMaxValueSizeInBytes(), OptionalLong.empty());
    assertEquals(actual.getTotalSizeInBytes(), OptionalLong.empty());
    assertEquals(actual.getNullsCount(), OptionalLong.of(1));
    assertEquals(actual.getDistinctValuesCount(), OptionalLong.of(19));
}

Example 4 with DoubleStatistics

use of com.facebook.presto.hive.metastore.DoubleStatistics in project presto by prestodb.

the class HiveSplitManager method getFloatColumnStatisticsValueSet.

private Optional<ValueSet> getFloatColumnStatisticsValueSet(HiveColumnStatistics statistics, Type type) {
    if (!statistics.getDoubleStatistics().isPresent()) {
        return Optional.empty();
    }
    DoubleStatistics hiveColumnStatistics = statistics.getDoubleStatistics().get();
    ValueSet result = ValueSet.all(type);
    if (hiveColumnStatistics.getMin().isPresent()) {
        result = result.intersect(SortedRangeSet.copyOf(type, ImmutableList.of(Range.greaterThanOrEqual(type, (long) floatToIntBits((float) hiveColumnStatistics.getMin().getAsDouble())))));
    }
    if (hiveColumnStatistics.getMax().isPresent()) {
        result = result.intersect(SortedRangeSet.copyOf(type, ImmutableList.of(Range.lessThanOrEqual(type, (long) floatToIntBits((float) hiveColumnStatistics.getMax().getAsDouble())))));
    }
    return Optional.of(result);
}

Example 5 with DoubleStatistics

use of com.facebook.presto.hive.metastore.DoubleStatistics in project presto by prestodb.

the class HiveSplitManager method getDoubleColumnStatisticsValueSet.

private Optional<ValueSet> getDoubleColumnStatisticsValueSet(HiveColumnStatistics statistics, Type type) {
    if (!statistics.getDoubleStatistics().isPresent()) {
        return Optional.empty();
    }
    DoubleStatistics hiveColumnStatistics = statistics.getDoubleStatistics().get();
    ValueSet result = ValueSet.all(type);
    if (hiveColumnStatistics.getMin().isPresent()) {
        result = result.intersect(SortedRangeSet.copyOf(type, ImmutableList.of(Range.greaterThanOrEqual(type, hiveColumnStatistics.getMin().getAsDouble()))));
    }
    if (hiveColumnStatistics.getMax().isPresent()) {
        result = result.intersect(SortedRangeSet.copyOf(type, ImmutableList.of(Range.lessThanOrEqual(type, hiveColumnStatistics.getMax().getAsDouble()))));
    }
    return Optional.of(result);
}