@Test
public void testConsistencyOnDelete() {
OGraphDatabase db = new OGraphDatabase(url);
db.open("admin", "admin");
if (db.getVertexType("Foo") == null) db.createVertexType("Foo");
try {
// Step 1
// Create several foo's
db.createVertex("Foo").field("address", "test1").save();
db.createVertex("Foo").field("address", "test2").save();
db.createVertex("Foo").field("address", "test3").save();
// just show what is there
List<ODocument> result = db.query(new OSQLSynchQuery<ODocument>("select * from Foo"));
for (ODocument d : result) {
System.out.println("Vertex: " + d);
}
// remove those foos in a transaction
// Step 2
db.begin(TXTYPE.OPTIMISTIC);
// Step 3a
result = db.query(new OSQLSynchQuery<ODocument>("select * from Foo where address = 'test1'"));
Assert.assertEquals(1, result.size());
// Step 4a
db.removeVertex(result.get(0));
// Step 3b
result = db.query(new OSQLSynchQuery<ODocument>("select * from Foo where address = 'test2'"));
Assert.assertEquals(1, result.size());
// Step 4b
db.removeVertex(result.get(0));
// Step 3c
result = db.query(new OSQLSynchQuery<ODocument>("select * from Foo where address = 'test3'"));
Assert.assertEquals(1, result.size());
// Step 4c
db.removeVertex(result.get(0));
// Step 6
db.commit();
// just show what is there
result = db.query(new OSQLSynchQuery<ODocument>("select * from Foo"));
for (ODocument d : result) {
System.out.println("Vertex: " + d);
}
} finally {
db.close();
}
}
@Test
public void deletesWithinTransactionArentWorking() throws IOException {
OGraphDatabase db = new OGraphDatabase(url);
db.open("admin", "admin");
try {
if (db.getVertexType("Foo") == null) db.createVertexType("Foo");
if (db.getVertexType("Bar") == null) db.createVertexType("Bar");
if (db.getVertexType("Sees") == null) db.createEdgeType("Sees");
// Commenting out the transaction will result in the test succeeding.
db.begin(TXTYPE.OPTIMISTIC);
ODocument foo = (ODocument) db.createVertex("Foo").field("prop", "test1").save();
// Comment out these two lines and the test will succeed. The issue appears to be related to
// an edge
// connecting a deleted vertex during a transaction
ODocument bar = (ODocument) db.createVertex("Bar").field("prop", "test1").save();
ODocument sees = db.createEdge(foo, bar, "Sees");
db.commit();
List<ODocument> foos = db.query(new OSQLSynchQuery("select * from Foo"));
Assert.assertEquals(foos.size(), 1);
db.begin(TXTYPE.OPTIMISTIC);
db.removeVertex(foos.get(0));
db.commit();
} finally {
db.close();
}
}