memgraph/tests/macro_benchmark/groups/delete/common.py
Mislav Bradac 6d78873ace Initialize seed in macro benchmark generators
Reviewers: dgleich, buda, florijan

Reviewed By: dgleich

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D984
2017-11-15 16:36:43 +01:00

33 lines
1.0 KiB
Python

""" This file does nothing, it's just utilities for other setups """
from random import randint, seed
BATCH_SIZE = 100
seed(0)
def create_vertices(vertex_count):
for vertex in range(vertex_count):
print("CREATE (:Label {id: %d})" % vertex)
if (vertex != 0 and vertex % BATCH_SIZE == 0) or \
(vertex + 1 == vertex_count):
print(";")
def create_edges(edge_count, vertex_count):
""" vertex_count is the number of already existing vertices in graph """
matches = []
merges = []
for edge in range(edge_count):
matches.append("MATCH (a%d :Label {id: %d}), (b%d :Label {id: %d})" %
(edge, randint(0, vertex_count - 1),
edge, randint(0, vertex_count - 1)))
merges.append("CREATE (a%d)-[:Type]->(b%d)" % (edge, edge))
if (edge != 0 and edge % BATCH_SIZE == 0) or \
((edge + 1) == edge_count):
print(" ".join(matches + merges))
print(";")
matches = []
merges = []