Examples with ConditionQuery com.baidu.hugegraph.backend.query.ConditionQuery used on opensource projects

Example 51 with ConditionQuery

use of com.baidu.hugegraph.backend.query.ConditionQuery in project incubator-hugegraph by apache.

the class EdgeCoreTest method testScanEdgeInPaging.

@Test
public void testScanEdgeInPaging() {
    HugeGraph graph = graph();
    Assume.assumeTrue("Not support scan", storeFeatures().supportsScanToken() || storeFeatures().supportsScanKeyRange());
    init18Edges();
    List<Edge> edges = new LinkedList<>();
    ConditionQuery query = new ConditionQuery(HugeType.EDGE);
    String backend = graph.backend();
    if (backend.equals("cassandra") || backend.equals("scylladb")) {
        query.scan(String.valueOf(Long.MIN_VALUE), String.valueOf(Long.MAX_VALUE));
    } else {
        query.scan(BackendTable.ShardSplitter.START, BackendTable.ShardSplitter.END);
    }
    query.limit(1);
    String page = PageInfo.PAGE_NONE;
    while (page != null) {
        query.page(page);
        Iterator<Edge> iterator = graph.edges(query);
        while (iterator.hasNext()) {
            edges.add(iterator.next());
        }
        page = PageInfo.pageInfo(iterator);
        CloseableIterator.closeIterator(iterator);
    }
    Assert.assertEquals(18, edges.size());
}

Example 52 with ConditionQuery

use of com.baidu.hugegraph.backend.query.ConditionQuery in project incubator-hugegraph by apache.

the class EdgeCoreTest method testQueryEdgesByInvalidSysprop.

@Test
public void testQueryEdgesByInvalidSysprop() {
    HugeGraph graph = graph();
    init18Edges();
    List<Edge> edges = graph.traversal().E().hasLabel("know").toList();
    Assert.assertEquals(1, edges.size());
    HugeEdge edge = (HugeEdge) edges.get(0);
    Id id = edge.id();
    Id know = edge.schemaLabel().id();
    Assert.assertThrows(IllegalArgumentException.class, () -> {
        graph.traversal().E().hasLabel("know").has("ID", id).toList();
    }, e -> {
        Assert.assertContains("Undefined property key: 'ID'", e.getMessage());
    });
    Assert.assertThrows(IllegalArgumentException.class, () -> {
        graph.traversal().E().hasLabel("know").has("NAME", "n1").toList();
    }, e -> {
        Assert.assertContains("Undefined property key: 'NAME'", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.EDGE);
        query.eq(HugeKeys.LABEL, know);
        query.query(id);
        graph.edges(query).hasNext();
    }, e -> {
        Assert.assertContains("Not supported querying by id and conditions", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.EDGE);
        query.eq(HugeKeys.LABEL, know);
        query.eq(HugeKeys.NAME, "n1");
        graph.edges(query).hasNext();
    }, e -> {
        Assert.assertContains("Not supported querying edges by", e.getMessage());
        Assert.assertContains("NAME == n1", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.EDGE);
        query.eq(HugeKeys.LABEL, know);
        query.eq(HugeKeys.NAME, "n2");
        query.query(Condition.eq(IdGenerator.of("fake"), "n3"));
        graph.edges(query).hasNext();
    }, e -> {
        Assert.assertContains("Can't do index query with [", e.getMessage());
        Assert.assertContains("LABEL == ", e.getMessage());
        Assert.assertContains("NAME == n2", e.getMessage());
    });
}

Example 53 with ConditionQuery

use of com.baidu.hugegraph.backend.query.ConditionQuery in project incubator-hugegraph by apache.

the class EdgeCoreTest method testScanEdge.

@Test
public void testScanEdge() {
    HugeGraph graph = graph();
    Assume.assumeTrue("Not support scan", storeFeatures().supportsScanToken() || storeFeatures().supportsScanKeyRange());
    init18Edges();
    Set<Edge> edges = new HashSet<>();
    long splitSize = 1L * 1024L * 1024L;
    List<Shard> splits = graph.metadata(HugeType.EDGE_OUT, "splits", splitSize);
    for (Shard split : splits) {
        ConditionQuery q = new ConditionQuery(HugeType.EDGE);
        q.scan(split.start(), split.end());
        edges.addAll(ImmutableList.copyOf(graph.edges(q)));
    }
    Assert.assertEquals(18, edges.size());
}

Example 54 with ConditionQuery

use of com.baidu.hugegraph.backend.query.ConditionQuery in project incubator-hugegraph by apache.

the class EdgeCoreTest method testQueryEdgesByDirection.

@Test
public void testQueryEdgesByDirection() {
    HugeGraph graph = graph();
    init18Edges();
    // Query vertex by condition (filter by Direction)
    ConditionQuery q = new ConditionQuery(HugeType.EDGE);
    q.eq(HugeKeys.DIRECTION, Direction.OUT);
    Assert.assertThrows(HugeException.class, () -> {
        graph.edges(q);
    });
}

Example 55 with ConditionQuery

use of com.baidu.hugegraph.backend.query.ConditionQuery in project incubator-hugegraph by apache.

the class VertexCoreTest method testQueryByInvalidSysprop.

@Test
public void testQueryByInvalidSysprop() {
    HugeGraph graph = graph();
    init10Vertices();
    List<Vertex> vertices = graph.traversal().V().hasLabel("author").has("id", 1).toList();
    Assert.assertEquals(1, vertices.size());
    Vertex vertex = vertices.get(0);
    Id author = graph.vertexLabel(vertex.label()).id();
    Assert.assertThrows(IllegalArgumentException.class, () -> {
        graph.traversal().V().hasLabel("author").has("ID", 1).toList();
    }, e -> {
        Assert.assertContains("Undefined property key: 'ID'", e.getMessage());
    });
    Assert.assertThrows(IllegalArgumentException.class, () -> {
        graph.traversal().V().hasLabel("author").has("NAME", "n1").toList();
    }, e -> {
        Assert.assertContains("Undefined property key: 'NAME'", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
        query.eq(HugeKeys.LABEL, author);
        query.query((Id) vertex.id());
        graph.vertices(query).hasNext();
    }, e -> {
        Assert.assertContains("Not supported querying by id and conditions", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
        query.eq(HugeKeys.LABEL, author);
        query.eq(HugeKeys.NAME, "n1");
        graph.vertices(query).hasNext();
    }, e -> {
        Assert.assertContains("Not supported querying vertices by", e.getMessage());
        Assert.assertContains("NAME == n1", e.getMessage());
    });
    Assert.assertThrows(HugeException.class, () -> {
        ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
        query.eq(HugeKeys.LABEL, author);
        query.eq(HugeKeys.NAME, "n2");
        query.query(Condition.eq(IdGenerator.of("fake"), "n3"));
        graph.vertices(query).hasNext();
    }, e -> {
        Assert.assertContains("Can't do index query with [", e.getMessage());
        Assert.assertContains("LABEL == ", e.getMessage());
        Assert.assertContains("NAME == n2", e.getMessage());
    });
}