def put_in_node():
Index = ManualIndexManager(graph) # manage index
tx = graph.begin()
count = 0
index_list = [] # temporal put in
filter_set = set()
ts = time.time()
#domain_name = "domain_index"
domain_name = "topic_index"
domain_index = Index.get_or_create_index(Node, domain_name)
Batch_index = ManualIndexWriteBatch(graph)
#for item in domain_list:
for item in topic_list:
#st_node = Index.get_or_create_indexed_node(node_name, "uid", start_node, {"uid":start_node})
#ed_node = Index.get_or_create_indexed_node(node_name, "uid", end_node, {"uid":end_node})
#exist = Index.get_indexed_node(domain_name, "domain", item)
exist = Index.get_indexed_node(domain_name, "topic", item)
if not exist:
#node = Node("Domain", domain=item)
node = Node("Topic", topic=item)
tx.create(node)
index_list.append([item, node])
tx.commit()
for item in index_list:
#domain_index.add('domain', item[0], item[1])
domain_index.add('topic', item[0], item[1])
print domain_index
print domain_index.get("topic", '科技类')
def query_db():
Index = ManualIndexManager(graph) # manage index
#node_1 = Index.get_indexed_node("uid_index", "uid", "3293303045")
node_1 = Index.get_indexed_node("uid_index", "uid", "2139111593")
c_string = "MATCH (node_1)-[:retweet]->(fof) RETURN fof.uid"
result = graph.run(c_string)
uid_set = []
count = 0
for item in graph.run(c_string):
uid_set.append(item['fof.uid'])
count += 1
print count
print len(uid_set)
print sorted(uid_set)[:20]
def put_in():
Index = ManualIndexManager(graph) # manage index
tx = graph.begin()
count = 0
index_list = [] # temporal put in
filter_set = set()
ts = time.time()
node_name = "node_index"
#rel_name = "rel_index"
node_index = Index.get_or_create_index(Node, node_name)
#rel_index = Index.get_or_create_index(Relationship, rel_name)
Batch_index = ManualIndexWriteBatch(graph)
user_list = json.loads(r.get("user_set"))
for user in user_list:
#st_node = Index.get_or_create_indexed_node(node_name, "uid", start_node, {"uid":start_node})
#ed_node = Index.get_or_create_indexed_node(node_name, "uid", end_node, {"uid":end_node})
exist = Index.get_indexed_node(node_name, "uid", user)
if not exist and user not in filter_set:
node = Node("User", uid=user)
tx.create(node)
index_list.append([user, node])
filter_set.add(node)
count += 1
if count % 1000 == 0:
print count
te = time.time()
print "cost time: %s" % (te - ts)
ts = te
tx.commit()
tx = graph.begin()
for item in index_list:
Batch_index.add_to_index(Node, node_name, "uid", item[0],
item[1])
index_list = []
filter_set = set()
tx.commit()