Examples with ValueMatcher org.apache.druid.query.filter.ValueMatcher used on opensource projects

Example 16 with ValueMatcher

use of org.apache.druid.query.filter.ValueMatcher in project druid by druid-io.

the class PredicateValueMatcherFactoryTest method testFloatProcessorNotMatchingValue.

@Test
public void testFloatProcessorNotMatchingValue() {
    final TestColumnValueSelector<Float> columnValueSelector = TestColumnValueSelector.of(Float.class, ImmutableList.of(2.f), DateTimes.nowUtc());
    columnValueSelector.advance();
    final ValueMatcher matcher = forSelector("5.f").makeFloatProcessor(columnValueSelector);
    Assert.assertFalse(matcher.matches());
}

Example 17 with ValueMatcher

use of org.apache.druid.query.filter.ValueMatcher in project druid by druid-io.

the class PredicateValueMatcherFactoryTest method testComplexProcessorNotMatchingLong.

@Test
public void testComplexProcessorNotMatchingLong() {
    final TestColumnValueSelector<Long> columnValueSelector = TestColumnValueSelector.of(Long.class, ImmutableList.of(15L), DateTimes.nowUtc());
    columnValueSelector.advance();
    final ValueMatcher matcher = forSelector("11").makeComplexProcessor(columnValueSelector);
    Assert.assertFalse(matcher.matches());
}

Example 18 with ValueMatcher

use of org.apache.druid.query.filter.ValueMatcher in project druid by druid-io.

the class PredicateValueMatcherFactoryTest method testFloatProcessorMatchingValue.

@Test
public void testFloatProcessorMatchingValue() {
    final TestColumnValueSelector<Float> columnValueSelector = TestColumnValueSelector.of(Float.class, ImmutableList.of(2.f), DateTimes.nowUtc());
    columnValueSelector.advance();
    final ValueMatcher matcher = forSelector("2.f").makeFloatProcessor(columnValueSelector);
    Assert.assertTrue(matcher.matches());
}

Example 19 with ValueMatcher

use of org.apache.druid.query.filter.ValueMatcher in project druid by druid-io.

the class ExpressionVirtualColumnTest method testMultiObjectSelectorMakesRightSelector.

@Test
public void testMultiObjectSelectorMakesRightSelector() {
    DimensionSpec spec = new DefaultDimensionSpec("expr", "expr");
    // do some ugly faking to test if SingleStringInputDeferredEvaluationExpressionDimensionSelector is created for multi-value expressions when possible
    ColumnSelectorFactory factory = new ColumnSelectorFactory() {

        @Override
        public DimensionSelector makeDimensionSelector(DimensionSpec dimensionSpec) {
            DimensionSelector delegate = COLUMN_SELECTOR_FACTORY.makeDimensionSelector(dimensionSpec);
            DimensionSelector faker = new DimensionSelector() {

                @Override
                public IndexedInts getRow() {
                    return delegate.getRow();
                }

                @Override
                public ValueMatcher makeValueMatcher(@Nullable String value) {
                    return delegate.makeValueMatcher(value);
                }

                @Override
                public ValueMatcher makeValueMatcher(Predicate<String> predicate) {
                    return delegate.makeValueMatcher(predicate);
                }

                @Override
                public void inspectRuntimeShape(RuntimeShapeInspector inspector) {
                    delegate.inspectRuntimeShape(inspector);
                }

                @Nullable
                @Override
                public Object getObject() {
                    return delegate.getObject();
                }

                @Override
                public Class<?> classOfObject() {
                    return delegate.classOfObject();
                }

                @Override
                public int getValueCardinality() {
                    // value doesn't matter as long as not CARDINALITY_UNKNOWN
                    return 3;
                }

                @Nullable
                @Override
                public String lookupName(int id) {
                    return null;
                }

                @Override
                public boolean nameLookupPossibleInAdvance() {
                    // fake this so when SingleStringInputDeferredEvaluationExpressionDimensionSelector it doesn't explode
                    return true;
                }

                @Nullable
                @Override
                public IdLookup idLookup() {
                    return name -> 0;
                }
            };
            return faker;
        }

        @Override
        public ColumnValueSelector makeColumnValueSelector(String columnName) {
            return COLUMN_SELECTOR_FACTORY.makeColumnValueSelector(columnName);
        }

        @Nullable
        @Override
        public ColumnCapabilities getColumnCapabilities(String column) {
            return new ColumnCapabilitiesImpl().setType(ColumnType.STRING).setHasMultipleValues(true).setDictionaryEncoded(true);
        }
    };
    final BaseObjectColumnValueSelector selectorImplicit = SCALE_LIST_SELF_IMPLICIT.makeDimensionSelector(spec, factory);
    final BaseObjectColumnValueSelector selectorExplicit = SCALE_LIST_SELF_EXPLICIT.makeDimensionSelector(spec, factory);
    Assert.assertTrue(selectorImplicit instanceof SingleStringInputDeferredEvaluationExpressionDimensionSelector);
    Assert.assertTrue(selectorExplicit instanceof ExpressionMultiValueDimensionSelector);
}

Example 20 with ValueMatcher

use of org.apache.druid.query.filter.ValueMatcher in project druid by druid-io.

the class ExpressionVirtualColumnTest method testNullDimensionSelector.

@Test
public void testNullDimensionSelector() {
    final DimensionSelector selector = X_PLUS_Y.makeDimensionSelector(new DefaultDimensionSpec("expr", "expr"), COLUMN_SELECTOR_FACTORY);
    final ValueMatcher nonNullMatcher = selector.makeValueMatcher(Predicates.notNull());
    CURRENT_ROW.set(ROW0);
    Assert.assertEquals(false, nonNullMatcher.matches());
}