Examples with VectorValueSelector org.apache.druid.segment.vector.VectorValueSelector used on opensource projects

Example 6 with VectorValueSelector

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

the class LongMinAggregationTest method setup.

@Before
public void setup() {
    NullHandling.initializeForTests();
    selector = new TestLongColumnSelector(values);
    colSelectorFactory = EasyMock.createMock(ColumnSelectorFactory.class);
    EasyMock.expect(colSelectorFactory.makeColumnValueSelector("nilly")).andReturn(selector);
    EasyMock.expect(colSelectorFactory.getColumnCapabilities("nilly")).andReturn(null);
    EasyMock.replay(colSelectorFactory);
    VectorValueSelector vectorValueSelector = EasyMock.createMock(VectorValueSelector.class);
    EasyMock.expect(vectorValueSelector.getLongVector()).andReturn(longValues1).anyTimes();
    EasyMock.expect(vectorValueSelector.getNullVector()).andReturn(null).anyTimes();
    EasyMock.replay(vectorValueSelector);
    vectorColumnSelectorFactory = EasyMock.createMock(VectorColumnSelectorFactory.class);
    EasyMock.expect(vectorColumnSelectorFactory.getColumnCapabilities("lngFld")).andReturn(new ColumnCapabilitiesImpl().setType(ColumnType.LONG).setDictionaryEncoded(true)).anyTimes();
    EasyMock.expect(vectorColumnSelectorFactory.makeValueSelector("lngFld")).andReturn(vectorValueSelector).anyTimes();
    EasyMock.replay(vectorColumnSelectorFactory);
}

Example 7 with VectorValueSelector

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

the class FloatMaxAggregationTest method setup.

@Before
public void setup() {
    NullHandling.initializeForTests();
    VectorValueSelector vectorValueSelector = EasyMock.createMock(VectorValueSelector.class);
    EasyMock.expect(vectorValueSelector.getFloatVector()).andReturn(floatValues1).anyTimes();
    EasyMock.expect(vectorValueSelector.getNullVector()).andReturn(null).anyTimes();
    EasyMock.replay(vectorValueSelector);
    vectorColumnSelectorFactory = EasyMock.createMock(VectorColumnSelectorFactory.class);
    EasyMock.expect(vectorColumnSelectorFactory.getColumnCapabilities("fltFld")).andReturn(new ColumnCapabilitiesImpl().setType(ColumnType.FLOAT).setDictionaryEncoded(true)).anyTimes();
    EasyMock.expect(vectorColumnSelectorFactory.makeValueSelector("fltFld")).andReturn(vectorValueSelector).anyTimes();
    EasyMock.replay(vectorColumnSelectorFactory);
}

Example 8 with VectorValueSelector

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

the class ExpressionVectorSelectorsTest method sanityTestVectorizedExpressionSelectors.

public static void sanityTestVectorizedExpressionSelectors(String expression, @Nullable ExpressionType outputType, QueryableIndex index, Closer closer, int rowsPerSegment) {
    final List<Object> results = new ArrayList<>(rowsPerSegment);
    final VirtualColumns virtualColumns = VirtualColumns.create(ImmutableList.of(new ExpressionVirtualColumn("v", expression, ExpressionType.toColumnType(outputType), TestExprMacroTable.INSTANCE)));
    final QueryableIndexStorageAdapter storageAdapter = new QueryableIndexStorageAdapter(index);
    VectorCursor cursor = storageAdapter.makeVectorCursor(null, index.getDataInterval(), virtualColumns, false, 512, null);
    ColumnCapabilities capabilities = virtualColumns.getColumnCapabilities(storageAdapter, "v");
    int rowCount = 0;
    if (capabilities.isDictionaryEncoded().isTrue()) {
        SingleValueDimensionVectorSelector selector = cursor.getColumnSelectorFactory().makeSingleValueDimensionSelector(DefaultDimensionSpec.of("v"));
        while (!cursor.isDone()) {
            int[] row = selector.getRowVector();
            for (int i = 0; i < selector.getCurrentVectorSize(); i++, rowCount++) {
                results.add(selector.lookupName(row[i]));
            }
            cursor.advance();
        }
    } else {
        VectorValueSelector selector = null;
        VectorObjectSelector objectSelector = null;
        if (outputType != null && outputType.isNumeric()) {
            selector = cursor.getColumnSelectorFactory().makeValueSelector("v");
        } else {
            objectSelector = cursor.getColumnSelectorFactory().makeObjectSelector("v");
        }
        while (!cursor.isDone()) {
            boolean[] nulls;
            switch(outputType.getType()) {
                case LONG:
                    nulls = selector.getNullVector();
                    long[] longs = selector.getLongVector();
                    for (int i = 0; i < selector.getCurrentVectorSize(); i++, rowCount++) {
                        results.add(nulls != null && nulls[i] ? null : longs[i]);
                    }
                    break;
                case DOUBLE:
                    // special case to test floats just to get coverage on getFloatVector
                    if ("float2".equals(expression)) {
                        nulls = selector.getNullVector();
                        float[] floats = selector.getFloatVector();
                        for (int i = 0; i < selector.getCurrentVectorSize(); i++, rowCount++) {
                            results.add(nulls != null && nulls[i] ? null : (double) floats[i]);
                        }
                    } else {
                        nulls = selector.getNullVector();
                        double[] doubles = selector.getDoubleVector();
                        for (int i = 0; i < selector.getCurrentVectorSize(); i++, rowCount++) {
                            results.add(nulls != null && nulls[i] ? null : doubles[i]);
                        }
                    }
                    break;
                case STRING:
                    Object[] objects = objectSelector.getObjectVector();
                    for (int i = 0; i < objectSelector.getCurrentVectorSize(); i++, rowCount++) {
                        results.add(objects[i]);
                    }
                    break;
            }
            cursor.advance();
        }
    }
    closer.register(cursor);
    Sequence<Cursor> cursors = new QueryableIndexStorageAdapter(index).makeCursors(null, index.getDataInterval(), virtualColumns, Granularities.ALL, false, null);
    int rowCountCursor = cursors.map(nonVectorized -> {
        final ColumnValueSelector nonSelector = nonVectorized.getColumnSelectorFactory().makeColumnValueSelector("v");
        int rows = 0;
        while (!nonVectorized.isDone()) {
            Assert.assertEquals(StringUtils.format("Failed at row %s", rows), nonSelector.getObject(), results.get(rows));
            rows++;
            nonVectorized.advance();
        }
        return rows;
    }).accumulate(0, (acc, in) -> acc + in);
    Assert.assertTrue(rowCountCursor > 0);
    Assert.assertEquals(rowCountCursor, rowCount);
}

Example 9 with VectorValueSelector

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

the class LongMaxAggregationTest method setup.

@Before
public void setup() {
    NullHandling.initializeForTests();
    selector = new TestLongColumnSelector(values);
    colSelectorFactory = EasyMock.createMock(ColumnSelectorFactory.class);
    EasyMock.expect(colSelectorFactory.makeColumnValueSelector("nilly")).andReturn(selector);
    EasyMock.expect(colSelectorFactory.getColumnCapabilities("nilly")).andReturn(null);
    EasyMock.replay(colSelectorFactory);
    VectorValueSelector vectorValueSelector = EasyMock.createMock(VectorValueSelector.class);
    EasyMock.expect(vectorValueSelector.getLongVector()).andReturn(longValues1).anyTimes();
    EasyMock.expect(vectorValueSelector.getNullVector()).andReturn(null).anyTimes();
    EasyMock.replay(vectorValueSelector);
    vectorColumnSelectorFactory = EasyMock.createMock(VectorColumnSelectorFactory.class);
    EasyMock.expect(vectorColumnSelectorFactory.getColumnCapabilities("lngFld")).andReturn(new ColumnCapabilitiesImpl().setType(ColumnType.LONG).setDictionaryEncoded(true)).anyTimes();
    EasyMock.expect(vectorColumnSelectorFactory.makeValueSelector("lngFld")).andReturn(vectorValueSelector).anyTimes();
    EasyMock.replay(vectorColumnSelectorFactory);
}

Example 10 with VectorValueSelector

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

the class NullableNumericAggregatorFactory method factorizeVector.

@Override
public final VectorAggregator factorizeVector(VectorColumnSelectorFactory columnSelectorFactory) {
    Preconditions.checkState(canVectorize(columnSelectorFactory), "Cannot vectorize");
    VectorValueSelector selector = vectorSelector(columnSelectorFactory);
    VectorAggregator aggregator = factorizeVector(columnSelectorFactory, selector);
    return NullHandling.replaceWithDefault() ? aggregator : new NullableNumericVectorAggregator(aggregator, selector);
}