Examples with StoreScan org.neo4j.kernel.impl.api.index.StoreScan used on opensource projects

Example 11 with StoreScan

use of org.neo4j.kernel.impl.api.index.StoreScan in project neo4j by neo4j.

the class DynamicIndexStoreViewTest method shouldVisitRelationshipsUsingTokenIndex.

@Test
void shouldVisitRelationshipsUsingTokenIndex() throws Throwable {
    // Given
    StubTokenIndexReader tokenReader = new StubTokenIndexReader();
    StubStorageCursors cursors = new StubStorageCursors().withTokenIndexes();
    IndexProxy indexProxy = mock(IndexProxy.class);
    IndexProxyProvider indexProxies = mock(IndexProxyProvider.class);
    IndexDescriptor descriptor = forSchema(forAnyEntityTokens(RELATIONSHIP), DESCRIPTOR).withName("index").materialise(0);
    when(indexProxy.getState()).thenReturn(InternalIndexState.ONLINE);
    when(indexProxy.getDescriptor()).thenReturn(descriptor);
    when(indexProxy.newTokenReader()).thenReturn(tokenReader);
    when(indexProxies.getIndexProxy(any())).thenReturn(indexProxy);
    int targetType = 1;
    int notTargetType = 2;
    int[] indexedTypes = { targetType };
    String targetPropertyKey = "key";
    String notTargetPropertyKey = "not-key";
    Value propertyValue = Values.stringValue("value");
    MutableLongList relationshipsWithTargetType = LongLists.mutable.empty();
    long id = 0;
    int wantedPropertyUpdates = 5;
    for (int i = 0; i < wantedPropertyUpdates; i++) {
        // Relationships that are indexed
        cursors.withRelationship(id, 1, targetType, 3).properties(targetPropertyKey, propertyValue);
        tokenReader.index(indexedTypes, id);
        relationshipsWithTargetType.add(id++);
        // Relationship with wrong property
        cursors.withRelationship(id++, 1, targetType, 3).properties(notTargetPropertyKey, propertyValue);
        // Relationship with wrong type
        cursors.withRelationship(id++, 1, notTargetType, 3).properties(targetPropertyKey, propertyValue);
    }
    // When
    DynamicIndexStoreView storeView = dynamicIndexStoreView(cursors, indexProxies);
    TestTokenScanConsumer tokenConsumer = new TestTokenScanConsumer();
    TestPropertyScanConsumer propertyScanConsumer = new TestPropertyScanConsumer();
    StoreScan storeScan = storeView.visitRelationships(indexedTypes, relationType -> true, propertyScanConsumer, tokenConsumer, false, true, NULL, INSTANCE);
    storeScan.run(StoreScan.NO_EXTERNAL_UPDATES);
    // Then make sure all the fitting relationships where included
    assertThat(propertyScanConsumer.batches.size()).isEqualTo(1);
    assertThat(propertyScanConsumer.batches.get(0).size()).isEqualTo(wantedPropertyUpdates);
    // and that we didn't visit any more relationships than what we would get from scan store
    assertThat(tokenConsumer.batches.size()).isEqualTo(1);
    assertThat(tokenConsumer.batches.get(0).size()).isEqualTo(relationshipsWithTargetType.size());
}

Example 12 with StoreScan

use of org.neo4j.kernel.impl.api.index.StoreScan in project neo4j by neo4j.

the class DynamicIndexStoreViewTest method shouldVisitAllRelationshipsWithoutTokenIndexes.

@Test
void shouldVisitAllRelationshipsWithoutTokenIndexes() {
    StubStorageCursors cursors = new StubStorageCursors().withoutTokenIndexes();
    IndexProxyProvider indexProxies = mock(IndexProxyProvider.class);
    int targetType = 1;
    int notTargetType = 2;
    int[] targetTypeArray = { targetType };
    String targetPropertyKey = "key";
    Value propertyValue = Values.stringValue("value");
    MutableLongList relationshipsWithTargetType = LongLists.mutable.empty();
    long id = 0;
    int wantedPropertyUpdates = 5;
    for (int i = 0; i < wantedPropertyUpdates; i++) {
        // Relationship fitting our target
        cursors.withRelationship(id, 1, targetType, 3).properties(targetPropertyKey, propertyValue);
        relationshipsWithTargetType.add(id++);
        // Relationship with different type
        cursors.withRelationship(id, 1, notTargetType, 3).properties(targetPropertyKey, propertyValue);
        relationshipsWithTargetType.add(id++);
    }
    int targetPropertyKeyId = cursors.propertyKeyTokenHolder().getIdByName(targetPropertyKey);
    IntPredicate propertyKeyIdFilter = value -> value == targetPropertyKeyId;
    DynamicIndexStoreView storeView = dynamicIndexStoreView(cursors, indexProxies);
    TestTokenScanConsumer tokenConsumer = new TestTokenScanConsumer();
    TestPropertyScanConsumer propertyScanConsumer = new TestPropertyScanConsumer();
    StoreScan storeScan = storeView.visitRelationships(targetTypeArray, propertyKeyIdFilter, propertyScanConsumer, tokenConsumer, false, true, NULL, INSTANCE);
    storeScan.run(StoreScan.NO_EXTERNAL_UPDATES);
    assertThat(tokenConsumer.batches.size()).isEqualTo(1);
    assertThat(tokenConsumer.batches.get(0).size()).isEqualTo(relationshipsWithTargetType.size());
}