def ReadTest2(self):
startTime = datetime.datetime.now()
num_nodes = 1000000
num_labels = 10000
print ""
print "---------------------------------------------"
print "Reading labeled nodes"
print "---------------------------------------------"
print ""
cnt = 0
rbatch = neo4j.ReadBatch(self.gdb)
for index in range(0, num_labels):
print "+ reading label_%d" % index
rbatch.append_cypher(self._getReadLabeledNodesCypher('label_%d' % index))
cnt += 1
if cnt == MAX_QUERIES_IN_RBATCH:
rbatch.submit()
cnt = 0
rbatch.clear()
endTime = datetime.datetime.now()
print "Done"
print endTime - startTime
def _getNodeByGenid_batch(self, label, genid_list):
query_text = "match (n:" + label + ") where n.identifier = { genid } return n;"
rbatch = neo4j.ReadBatch(self.gdb)
for g in genid_list:
rbatch.append_cypher(query_text, {'genid': g})
res = rbatch.submit()
return dict(zip(genid_list, res))
def find_elements_by_name(self, element_name):
"""
find element list by names
return node reference
"""
batch = neo4j.ReadBatch(self.graph_db)
batch.get_indexed_nodes('ElementName', 'NAME', element_name)
return batch.submit()
def test_can_retrieve_multiple_indexed_nodes(self):
people = self.graph_db.get_or_create_index(neo4j.Node, "People")
alice, bob, carol, dave, eve = self.graph_db.create(
{"name": "Alice Smith"},
{"name": "Bob Smith"},
{"name": "Carol Smith"},
{"name": "Dave Jones"},
{"name": "Eve Jones"},
)
people.add("family_name", "Smith", alice)
people.add("family_name", "Smith", bob)
people.add("family_name", "Smith", carol)
people.add("family_name", "Jones", dave)
people.add("family_name", "Jones", eve)
batch = neo4j.ReadBatch(self.graph_db)
batch.get_indexed_nodes("People", "family_name", "Smith")
batch.get_indexed_nodes("People", "family_name", "Jones")
data = batch.submit()
smiths = data[0]
joneses = data[1]
assert smiths == [alice, bob, carol]
assert joneses == [dave, eve]