Examples with IntegerStatistics io.trino.plugin.hive.metastore.IntegerStatistics used on opensource projects

Example 1 with IntegerStatistics

use of io.trino.plugin.hive.metastore.IntegerStatistics in project trino by trinodb.

the class TestStatistics method testMergeIntegerColumnStatistics.

@Test
public void testMergeIntegerColumnStatistics() {
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.empty(), OptionalLong.empty())).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.empty(), OptionalLong.empty())).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.empty(), OptionalLong.empty())).build());
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(1), OptionalLong.of(2))).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.empty(), OptionalLong.empty())).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(1), OptionalLong.of(2))).build());
    assertMergeHiveColumnStatistics(HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(1), OptionalLong.of(2))).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(0), OptionalLong.of(3))).build(), HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(0), OptionalLong.of(3))).build());
}

Example 2 with IntegerStatistics

use of io.trino.plugin.hive.metastore.IntegerStatistics in project trino by trinodb.

the class TestThriftMetastoreUtil method testLongStatsToColumnStatistics.

@Test
public void testLongStatsToColumnStatistics() {
    LongColumnStatsData longColumnStatsData = new LongColumnStatsData();
    longColumnStatsData.setLowValue(0);
    longColumnStatsData.setHighValue(100);
    longColumnStatsData.setNumNulls(1);
    longColumnStatsData.setNumDVs(20);
    ColumnStatisticsObj columnStatisticsObj = new ColumnStatisticsObj("my_col", BIGINT_TYPE_NAME, longStats(longColumnStatsData));
    HiveColumnStatistics actual = fromMetastoreApiColumnStatistics(columnStatisticsObj, OptionalLong.of(1000));
    assertEquals(actual.getIntegerStatistics(), Optional.of(new IntegerStatistics(OptionalLong.of(0), OptionalLong.of(100))));
    assertEquals(actual.getDoubleStatistics(), Optional.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.of(1));
    assertEquals(actual.getDistinctValuesCount(), OptionalLong.of(19));
}

Example 3 with IntegerStatistics

use of io.trino.plugin.hive.metastore.IntegerStatistics in project trino by trinodb.

the class TestStatistics method testFromComputedStatistics.

@Test
public void testFromComputedStatistics() {
    Function<Integer, Block> singleIntegerValueBlock = value -> BigintType.BIGINT.createBlockBuilder(null, 1).writeLong(value).build();
    ComputedStatistics statistics = ComputedStatistics.builder(ImmutableList.of(), ImmutableList.of()).addTableStatistic(TableStatisticType.ROW_COUNT, singleIntegerValueBlock.apply(5)).addColumnStatistic(new ColumnStatisticMetadata("a_column", MIN_VALUE), singleIntegerValueBlock.apply(1)).addColumnStatistic(new ColumnStatisticMetadata("a_column", MAX_VALUE), singleIntegerValueBlock.apply(5)).addColumnStatistic(new ColumnStatisticMetadata("a_column", NUMBER_OF_DISTINCT_VALUES), singleIntegerValueBlock.apply(5)).addColumnStatistic(new ColumnStatisticMetadata("a_column", NUMBER_OF_NON_NULL_VALUES), singleIntegerValueBlock.apply(5)).addColumnStatistic(new ColumnStatisticMetadata("b_column", NUMBER_OF_NON_NULL_VALUES), singleIntegerValueBlock.apply(4)).build();
    Map<String, Type> columnTypes = ImmutableMap.of("a_column", INTEGER, "b_column", VARCHAR);
    Map<String, HiveColumnStatistics> columnStatistics = Statistics.fromComputedStatistics(statistics.getColumnStatistics(), columnTypes, 5);
    assertThat(columnStatistics).hasSize(2);
    assertThat(columnStatistics.keySet()).contains("a_column", "b_column");
    assertThat(columnStatistics.get("a_column")).isEqualTo(HiveColumnStatistics.builder().setIntegerStatistics(new IntegerStatistics(OptionalLong.of(1), OptionalLong.of(5))).setNullsCount(0).setDistinctValuesCount(5).build());
    assertThat(columnStatistics.get("b_column")).isEqualTo(HiveColumnStatistics.builder().setNullsCount(1).build());
}

Example 4 with IntegerStatistics

use of io.trino.plugin.hive.metastore.IntegerStatistics in project trino by trinodb.

the class TestThriftMetastoreUtil method testEmptyLongStatsToColumnStatistics.

@Test
public void testEmptyLongStatsToColumnStatistics() {
    LongColumnStatsData emptyLongColumnStatsData = new LongColumnStatsData();
    ColumnStatisticsObj columnStatisticsObj = new ColumnStatisticsObj("my_col", BIGINT_TYPE_NAME, longStats(emptyLongColumnStatsData));
    HiveColumnStatistics actual = fromMetastoreApiColumnStatistics(columnStatisticsObj, OptionalLong.empty());
    assertEquals(actual.getIntegerStatistics(), Optional.of(new IntegerStatistics(OptionalLong.empty(), OptionalLong.empty())));
    assertEquals(actual.getDoubleStatistics(), Optional.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());
}