Examples with ColumnValueSelector org.apache.druid.segment.ColumnValueSelector used on opensource projects

Example 1 with ColumnValueSelector

use of org.apache.druid.segment.ColumnValueSelector in project druid by druid-io.

the class LookupSegmentTest method test_asStorageAdapter_makeCursors.

@Test
public void test_asStorageAdapter_makeCursors() {
    final Sequence<Cursor> cursors = LOOKUP_SEGMENT.asStorageAdapter().makeCursors(null, Intervals.of("1970/PT1H"), VirtualColumns.EMPTY, Granularities.ALL, false, null);
    final List<Pair<String, String>> kvs = new ArrayList<>();
    cursors.accumulate(null, (ignored, cursor) -> {
        final ColumnValueSelector keySelector = cursor.getColumnSelectorFactory().makeColumnValueSelector("k");
        final ColumnValueSelector valueSelector = cursor.getColumnSelectorFactory().makeColumnValueSelector("v");
        while (!cursor.isDone()) {
            kvs.add(Pair.of(String.valueOf(keySelector.getObject()), String.valueOf(valueSelector.getObject())));
            cursor.advanceUninterruptibly();
        }
        return null;
    });
    Assert.assertEquals(ImmutableList.of(Pair.of("a", "b"), Pair.of("x", "y")), kvs);
}

Example 2 with ColumnValueSelector

use of org.apache.druid.segment.ColumnValueSelector in project druid by druid-io.

the class ArrayLongGroupByColumnSelectorStrategyTest method testAddingInDictionaryWithObjects.

@Test
public void testAddingInDictionaryWithObjects() {
    ColumnValueSelector columnValueSelector = Mockito.mock(ColumnValueSelector.class);
    Mockito.when(columnValueSelector.getObject()).thenReturn(new Object[] { 4L, 2L });
    Assert.assertEquals(3, strategy.getOnlyValue(columnValueSelector));
    GroupByColumnSelectorPlus groupByColumnSelectorPlus = Mockito.mock(GroupByColumnSelectorPlus.class);
    Mockito.when(groupByColumnSelectorPlus.getResultRowPosition()).thenReturn(0);
    ResultRow row = ResultRow.create(1);
    buffer1.putInt(3);
    strategy.processValueFromGroupingKey(groupByColumnSelectorPlus, buffer1, row, 0);
    Assert.assertEquals(new ComparableList(ImmutableList.of(4L, 2L)), row.get(0));
}

Example 3 with ColumnValueSelector

use of org.apache.druid.segment.ColumnValueSelector in project druid by druid-io.

the class ArrayLongGroupByColumnSelectorStrategyTest method testAddingInDictionary.

@Test
public void testAddingInDictionary() {
    ColumnValueSelector columnValueSelector = Mockito.mock(ColumnValueSelector.class);
    Mockito.when(columnValueSelector.getObject()).thenReturn(ImmutableList.of(4L, 2L));
    Assert.assertEquals(3, strategy.getOnlyValue(columnValueSelector));
    GroupByColumnSelectorPlus groupByColumnSelectorPlus = Mockito.mock(GroupByColumnSelectorPlus.class);
    Mockito.when(groupByColumnSelectorPlus.getResultRowPosition()).thenReturn(0);
    ResultRow row = ResultRow.create(1);
    buffer1.putInt(3);
    strategy.processValueFromGroupingKey(groupByColumnSelectorPlus, buffer1, row, 0);
    Assert.assertEquals(new ComparableList(ImmutableList.of(4L, 2L)), row.get(0));
}

Example 4 with ColumnValueSelector

use of org.apache.druid.segment.ColumnValueSelector in project druid by druid-io.

the class ArrayLongGroupByColumnSelectorStrategyTest method testSanity.

@Test
public void testSanity() {
    ColumnValueSelector columnValueSelector = Mockito.mock(ColumnValueSelector.class);
    Mockito.when(columnValueSelector.getObject()).thenReturn(ImmutableList.of(1L, 2L));
    Assert.assertEquals(0, strategy.getOnlyValue(columnValueSelector));
    GroupByColumnSelectorPlus groupByColumnSelectorPlus = Mockito.mock(GroupByColumnSelectorPlus.class);
    Mockito.when(groupByColumnSelectorPlus.getResultRowPosition()).thenReturn(0);
    ResultRow row = ResultRow.create(1);
    buffer1.putInt(0);
    strategy.processValueFromGroupingKey(groupByColumnSelectorPlus, buffer1, row, 0);
    Assert.assertEquals(new ComparableList(ImmutableList.of(1L, 2L)), row.get(0));
}

Example 5 with ColumnValueSelector

use of org.apache.druid.segment.ColumnValueSelector in project druid by druid-io.

the class ArrayDoubleGroupByColumnSelectorStrategyTest method testAddingInDictionary.

@Test
public void testAddingInDictionary() {
    ColumnValueSelector columnValueSelector = Mockito.mock(ColumnValueSelector.class);
    Mockito.when(columnValueSelector.getObject()).thenReturn(ImmutableList.of(4.0, 2.0));
    Assert.assertEquals(3, strategy.getOnlyValue(columnValueSelector));
    GroupByColumnSelectorPlus groupByColumnSelectorPlus = Mockito.mock(GroupByColumnSelectorPlus.class);
    Mockito.when(groupByColumnSelectorPlus.getResultRowPosition()).thenReturn(0);
    ResultRow row = ResultRow.create(1);
    buffer1.putInt(3);
    strategy.processValueFromGroupingKey(groupByColumnSelectorPlus, buffer1, row, 0);
    Assert.assertEquals(new ComparableList(ImmutableList.of(4.0, 2.0)), row.get(0));
}