Examples with IndexPrototype org.neo4j.internal.schema.IndexPrototype used on opensource projects

Example 31 with IndexPrototype

use of org.neo4j.internal.schema.IndexPrototype in project neo4j by neo4j.

the class RecordStorageReaderTestBase method createIndex.

protected IndexDescriptor createIndex(RelationshipType relType, String propertyKey) throws Exception {
    TxState txState = new TxState();
    int relTypeId = getOrCreateRelationshipTypeId(relType);
    int propertyKeyId = getOrCreatePropertyKeyId(propertyKey);
    long id = commitContext.reserveSchema();
    IndexPrototype prototype = IndexPrototype.forSchema(forRelType(relTypeId, propertyKeyId)).withName("index_" + id);
    IndexDescriptor index = prototype.materialise(id);
    txState.indexDoAdd(index);
    apply(txState);
    return index;
}

Example 32 with IndexPrototype

use of org.neo4j.internal.schema.IndexPrototype in project neo4j by neo4j.

the class BuiltInProceduresIT method listAllLabelsMustNotBlockOnConstraintCreatingTransaction.

@Test
@Timeout(value = 6, unit = MINUTES)
void listAllLabelsMustNotBlockOnConstraintCreatingTransaction() throws Throwable {
    // Given
    KernelTransaction transaction = newTransaction(AnonymousContext.writeToken());
    long nodeId = transaction.dataWrite().nodeCreate();
    int labelId = transaction.tokenWrite().labelGetOrCreateForName("MyLabel");
    int propKey = transaction.tokenWrite().propertyKeyCreateForName("prop", false);
    transaction.dataWrite().nodeAddLabel(nodeId, labelId);
    commit();
    CountDownLatch constraintLatch = new CountDownLatch(1);
    CountDownLatch commitLatch = new CountDownLatch(1);
    FutureTask<Void> createConstraintTask = new FutureTask<>(() -> {
        SchemaWrite schemaWrite = schemaWriteInNewTransaction();
        try (Resource ignore = captureTransaction()) {
            IndexPrototype prototype = IndexPrototype.uniqueForSchema(SchemaDescriptor.forLabel(labelId, propKey)).withName("constraint name");
            schemaWrite.uniquePropertyConstraintCreate(prototype);
            // We now hold a schema lock on the "MyLabel" label. Let the procedure calling transaction have a go.
            constraintLatch.countDown();
            commitLatch.await();
        }
        rollback();
        return null;
    });
    Thread constraintCreator = new Thread(createConstraintTask);
    constraintCreator.start();
    // When
    constraintLatch.await();
    RawIterator<AnyValue[], ProcedureException> stream = procs().procedureCallRead(procs().procedureGet(procedureName("db", "labels")).id(), new AnyValue[0], ProcedureCallContext.EMPTY);
    // Then
    try {
        assertThat(asList(stream)).containsExactly(new AnyValue[] { stringValue("MyLabel") });
    } finally {
        commitLatch.countDown();
    }
    createConstraintTask.get();
    constraintCreator.join();
}

Example 33 with IndexPrototype

use of org.neo4j.internal.schema.IndexPrototype in project neo4j by neo4j.

the class IndexIT method shouldListCompositeMultiTokenRelationshipIndexesInTheCoreAPI.

@Test
void shouldListCompositeMultiTokenRelationshipIndexesInTheCoreAPI() throws Exception {
    KernelTransaction transaction = newTransaction(AUTH_DISABLED);
    long initialIndexCount = Iterators.count(transaction.schemaRead().indexesGetAll());
    SchemaDescriptor schema = SchemaDescriptor.fulltext(EntityType.RELATIONSHIP, new int[] { relType, relType2 }, new int[] { propertyKeyId, propertyKeyId2 });
    IndexPrototype prototype = IndexPrototype.forSchema(schema, FulltextIndexProviderFactory.DESCRIPTOR).withIndexType(IndexType.FULLTEXT).withName("index name");
    transaction.schemaWrite().indexCreate(prototype);
    commit();
    try (org.neo4j.graphdb.Transaction tx = db.beginTx()) {
        // then
        Set<IndexDefinition> indexes = Iterables.asSet(tx.schema().getIndexes());
        assertThat(indexes.size()).isEqualTo(initialIndexCount + 1);
        IndexDefinition index = tx.schema().getIndexByName("index name");
        assertThrows(IllegalStateException.class, index::getLabels);
        assertThat(index.getRelationshipTypes()).containsOnly(withName(REL_TYPE), withName(REL_TYPE2));
        assertThat(index.getPropertyKeys()).containsOnly(PROPERTY_KEY, PROPERTY_KEY2);
        assertFalse(index.isConstraintIndex(), "should not be a constraint index");
        assertTrue(index.isMultiTokenIndex(), "should be a multi-token index");
        assertTrue(index.isCompositeIndex(), "should be a composite index");
        assertFalse(index.isNodeIndex(), "should not be a node index");
        assertTrue(index.isRelationshipIndex(), "should be a relationship index");
    }
}

Example 34 with IndexPrototype

use of org.neo4j.internal.schema.IndexPrototype in project neo4j by neo4j.

the class IndexPopulationJobTest method tracePageCacheAccessIndexWithOneRelationship.

@Test
void tracePageCacheAccessIndexWithOneRelationship() {
    String value = "value";
    long nodeId = createNode(map(name, value), FIRST);
    long relationship = createRelationship(map(name, age), likes, nodeId, nodeId);
    int rel = tokenHolders.relationshipTypeTokens().getIdByName(likes.name());
    int prop = tokenHolders.propertyKeyTokens().getIdByName(name);
    IndexPrototype descriptor = IndexPrototype.forSchema(SchemaDescriptor.forRelType(rel, prop));
    IndexPopulator actualPopulator = indexPopulator(descriptor);
    TrackingIndexPopulator populator = new TrackingIndexPopulator(actualPopulator);
    var pageCacheTracer = new DefaultPageCacheTracer();
    IndexPopulationJob job = newIndexPopulationJob(populator, new FlippableIndexProxy(), EntityType.RELATIONSHIP, descriptor, pageCacheTracer);
    job.run();
    IndexEntryUpdate<?> update = IndexEntryUpdate.add(relationship, descriptor, Values.of(age));
    assertTrue(populator.created);
    assertEquals(Collections.singletonList(update), populator.includedSamples);
    assertEquals(1, populator.adds.size());
    assertTrue(populator.resultSampled);
    assertTrue(populator.closeCall);
    assertThat(pageCacheTracer.pins()).isEqualTo(17);
    assertThat(pageCacheTracer.unpins()).isEqualTo(17);
    assertThat(pageCacheTracer.hits()).isEqualTo(16);
    assertThat(pageCacheTracer.faults()).isEqualTo(1);
}

Example 35 with IndexPrototype

use of org.neo4j.internal.schema.IndexPrototype in project neo4j by neo4j.

the class IndexPopulationJobTest method shouldPopulateIndexWithOneRelationship.

@Test
void shouldPopulateIndexWithOneRelationship() {
    // GIVEN
    String value = "Taylor";
    long nodeId = createNode(map(name, value), FIRST);
    long relationship = createRelationship(map(name, age), likes, nodeId, nodeId);
    int relType = tokenHolders.relationshipTypeTokens().getIdByName(likes.name());
    int propertyId = tokenHolders.propertyKeyTokens().getIdByName(name);
    IndexPrototype descriptor = IndexPrototype.forSchema(SchemaDescriptor.forRelType(relType, propertyId));
    IndexPopulator actualPopulator = indexPopulator(descriptor);
    TrackingIndexPopulator populator = new TrackingIndexPopulator(actualPopulator);
    IndexPopulationJob job = newIndexPopulationJob(populator, new FlippableIndexProxy(), EntityType.RELATIONSHIP, descriptor);
    // WHEN
    job.run();
    // THEN
    IndexEntryUpdate<?> update = IndexEntryUpdate.add(relationship, descriptor, Values.of(age));
    assertTrue(populator.created);
    assertEquals(Collections.singletonList(update), populator.includedSamples);
    assertEquals(1, populator.adds.size());
    assertTrue(populator.resultSampled);
    assertTrue(populator.closeCall);
}