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Example 11 with SimpleEntityValueClient

use of org.neo4j.storageengine.api.schema.SimpleEntityValueClient in project neo4j by neo4j.

the class NativeIndexAccessorTests method throwForUnsupportedIndexOrder.

@Test
void throwForUnsupportedIndexOrder() {
    // Unsupported index order for query
    try (var reader = accessor.newValueReader()) {
        IndexOrder unsupportedOrder = IndexOrder.DESCENDING;
        // <- Any spatial value would do
        PropertyIndexQuery.ExactPredicate unsupportedQuery = PropertyIndexQuery.exact(0, PointValue.MAX_VALUE);
        var e = assertThrows(UnsupportedOperationException.class, () -> reader.query(NULL_CONTEXT, new SimpleEntityValueClient(), constrained(unsupportedOrder, false), unsupportedQuery));
        assertThat(e.getMessage()).contains("unsupported order").contains(unsupportedOrder.toString()).contains(unsupportedQuery.toString());
    }
}
Also used : PropertyIndexQuery(org.neo4j.internal.kernel.api.PropertyIndexQuery) IndexOrder(org.neo4j.internal.schema.IndexOrder) SimpleEntityValueClient(org.neo4j.storageengine.api.schema.SimpleEntityValueClient) Test(org.junit.jupiter.api.Test)

Example 12 with SimpleEntityValueClient

use of org.neo4j.storageengine.api.schema.SimpleEntityValueClient in project neo4j by neo4j.

the class NativeIndexAccessorTests method getValues.

@Test
void getValues() throws IndexEntryConflictException, IndexNotApplicableKernelException {
    // given
    int nUpdates = 10000;
    Iterator<ValueIndexEntryUpdate<IndexDescriptor>> randomUpdateGenerator = valueCreatorUtil.randomUpdateGenerator(random);
    // noinspection unchecked
    ValueIndexEntryUpdate<IndexDescriptor>[] someUpdates = new ValueIndexEntryUpdate[nUpdates];
    for (int i = 0; i < nUpdates; i++) {
        someUpdates[i] = randomUpdateGenerator.next();
    }
    processAll(someUpdates);
    Value[] allValues = ValueCreatorUtil.extractValuesFromUpdates(someUpdates);
    // Pick one out of all added values and do a range query for the value group of that value
    Value value = random.among(allValues);
    ValueGroup valueGroup = value.valueGroup();
    IndexValueCapability valueCapability = indexCapability().valueCapability(valueGroup.category());
    if (!valueCapability.equals(IndexValueCapability.YES)) {
        // We don't need to do this test
        return;
    }
    PropertyIndexQuery.RangePredicate<?> supportedQuery;
    List<Value> expectedValues;
    if (Values.isGeometryValue(value)) {
        // Unless it's a point value in which case we query for the specific coordinate reference system instead
        CoordinateReferenceSystem crs = ((PointValue) value).getCoordinateReferenceSystem();
        supportedQuery = PropertyIndexQuery.range(0, crs);
        expectedValues = Arrays.stream(allValues).filter(v -> v.valueGroup() == ValueGroup.GEOMETRY).filter(v -> ((PointValue) v).getCoordinateReferenceSystem() == crs).collect(Collectors.toList());
    } else {
        supportedQuery = PropertyIndexQuery.range(0, valueGroup);
        expectedValues = Arrays.stream(allValues).filter(v -> v.valueGroup() == valueGroup).collect(Collectors.toList());
    }
    // when
    try (var reader = accessor.newValueReader()) {
        SimpleEntityValueClient client = new SimpleEntityValueClient();
        reader.query(NULL_CONTEXT, client, unorderedValues(), supportedQuery);
        // then
        while (client.next()) {
            Value foundValue = client.values[0];
            assertTrue(expectedValues.remove(foundValue), "found value that was not expected " + foundValue);
        }
        assertThat(expectedValues.size()).as("did not find all expected values").isEqualTo(0);
    }
}
Also used : BeforeEach(org.junit.jupiter.api.BeforeEach) IndexOrder(org.neo4j.internal.schema.IndexOrder) Arrays(java.util.Arrays) ValueIndexReader(org.neo4j.kernel.api.index.ValueIndexReader) SimpleEntityValueClient(org.neo4j.storageengine.api.schema.SimpleEntityValueClient) Assertions.assertThat(org.assertj.core.api.Assertions.assertThat) Iterators.filter(org.neo4j.internal.helpers.collection.Iterators.filter) NULL_CONTEXT(org.neo4j.internal.kernel.api.QueryContext.NULL_CONTEXT) Value(org.neo4j.values.storable.Value) RandomValues(org.neo4j.values.storable.RandomValues) IndexUpdater(org.neo4j.kernel.api.index.IndexUpdater) Assertions.assertFalse(org.junit.jupiter.api.Assertions.assertFalse) NULL(org.neo4j.io.pagecache.context.CursorContext.NULL) IndexEntryUpdate.remove(org.neo4j.storageengine.api.IndexEntryUpdate.remove) Predicates.alwaysTrue(org.neo4j.function.Predicates.alwaysTrue) EMPTY_LONG_ARRAY(org.neo4j.collection.PrimitiveLongCollections.EMPTY_LONG_ARRAY) Predicate(java.util.function.Predicate) Collection(java.util.Collection) Set(java.util.Set) TestDirectory(org.neo4j.test.rule.TestDirectory) Collectors(java.util.stream.Collectors) PointValue(org.neo4j.values.storable.PointValue) String.format(java.lang.String.format) ValueIndexEntryUpdate(org.neo4j.storageengine.api.ValueIndexEntryUpdate) Test(org.junit.jupiter.api.Test) IndexValueCapability(org.neo4j.internal.schema.IndexValueCapability) IndexQueryConstraints.unconstrained(org.neo4j.internal.kernel.api.IndexQueryConstraints.unconstrained) List(java.util.List) Stream(java.util.stream.Stream) Assertions.assertTrue(org.junit.jupiter.api.Assertions.assertTrue) IndexNotApplicableKernelException(org.neo4j.internal.kernel.api.exceptions.schema.IndexNotApplicableKernelException) PropertyIndexQuery(org.neo4j.internal.kernel.api.PropertyIndexQuery) IndexDescriptor(org.neo4j.internal.schema.IndexDescriptor) ValueCreatorUtil.countUniqueValues(org.neo4j.kernel.impl.index.schema.ValueCreatorUtil.countUniqueValues) Assertions.assertThrows(org.junit.jupiter.api.Assertions.assertThrows) IndexCapability(org.neo4j.internal.schema.IndexCapability) IndexDirectoryStructure.directoriesByProvider(org.neo4j.kernel.api.index.IndexDirectoryStructure.directoriesByProvider) Iterables.asUniqueSet(org.neo4j.internal.helpers.collection.Iterables.asUniqueSet) IndexQueryConstraints.unorderedValues(org.neo4j.internal.kernel.api.IndexQueryConstraints.unorderedValues) IndexEntryUpdate.change(org.neo4j.storageengine.api.IndexEntryUpdate.change) Predicates.in(org.neo4j.function.Predicates.in) ArrayList(java.util.ArrayList) Values(org.neo4j.values.storable.Values) HashSet(java.util.HashSet) IndexEntryConflictException(org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException) Assertions.assertThatThrownBy(org.assertj.core.api.Assertions.assertThatThrownBy) Assertions.assertEquals(org.junit.jupiter.api.Assertions.assertEquals) IndexSample(org.neo4j.kernel.api.index.IndexSample) Iterator(java.util.Iterator) ValueType(org.neo4j.values.storable.ValueType) IndexOrderCapability(org.neo4j.internal.schema.IndexOrderCapability) IndexQueryConstraints(org.neo4j.internal.kernel.api.IndexQueryConstraints) IndexDirectoryStructure(org.neo4j.kernel.api.index.IndexDirectoryStructure) IndexQueryConstraints.constrained(org.neo4j.internal.kernel.api.IndexQueryConstraints.constrained) PrimitiveLongCollections(org.neo4j.collection.PrimitiveLongCollections) Assertions.assertArrayEquals(org.junit.jupiter.api.Assertions.assertArrayEquals) LongIterator(org.eclipse.collections.api.iterator.LongIterator) IndexProgressor(org.neo4j.kernel.api.index.IndexProgressor) Values.of(org.neo4j.values.storable.Values.of) CoordinateReferenceSystem(org.neo4j.values.storable.CoordinateReferenceSystem) IndexSampler(org.neo4j.kernel.api.index.IndexSampler) ValueGroup(org.neo4j.values.storable.ValueGroup) Collections(java.util.Collections) ONLINE(org.neo4j.kernel.impl.api.index.IndexUpdateMode.ONLINE) FileSystemAbstraction(org.neo4j.io.fs.FileSystemAbstraction) PointValue(org.neo4j.values.storable.PointValue) ValueGroup(org.neo4j.values.storable.ValueGroup) ValueIndexEntryUpdate(org.neo4j.storageengine.api.ValueIndexEntryUpdate) PropertyIndexQuery(org.neo4j.internal.kernel.api.PropertyIndexQuery) Value(org.neo4j.values.storable.Value) PointValue(org.neo4j.values.storable.PointValue) CoordinateReferenceSystem(org.neo4j.values.storable.CoordinateReferenceSystem) IndexValueCapability(org.neo4j.internal.schema.IndexValueCapability) SimpleEntityValueClient(org.neo4j.storageengine.api.schema.SimpleEntityValueClient) Test(org.junit.jupiter.api.Test)

Aggregations

SimpleEntityValueClient (org.neo4j.storageengine.api.schema.SimpleEntityValueClient)12 PropertyIndexQuery (org.neo4j.internal.kernel.api.PropertyIndexQuery)8 PointValue (org.neo4j.values.storable.PointValue)6 Value (org.neo4j.values.storable.Value)6 ArrayList (java.util.ArrayList)5 List (java.util.List)4 Test (org.junit.jupiter.api.Test)4 IndexOrder (org.neo4j.internal.schema.IndexOrder)4 IndexOrderCapability (org.neo4j.internal.schema.IndexOrderCapability)4 ValueIndexEntryUpdate (org.neo4j.storageengine.api.ValueIndexEntryUpdate)4 Arrays (java.util.Arrays)3 Collections (java.util.Collections)3 HashSet (java.util.HashSet)3 Set (java.util.Set)3 Collectors (java.util.stream.Collectors)3 Assertions.assertThat (org.assertj.core.api.Assertions.assertThat)3 String.format (java.lang.String.format)2 Collection (java.util.Collection)2 Iterator (java.util.Iterator)2 Predicate (java.util.function.Predicate)2