43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# Copyright 2021 Memgraph Ltd.
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#
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# Use of this software is governed by the Business Source License
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# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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# License, and you may not use this file except in compliance with the Business Source License.
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#
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# As of the Change Date specified in that file, in accordance with
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# the Business Source License, use of this software will be governed
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# by the Apache License, Version 2.0, included in the file
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# licenses/APL.txt.
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""" This file does nothing, it's just utilities for other setups """
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from random import randint, seed
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BATCH_SIZE = 100
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seed(0)
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def create_vertices(vertex_count):
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for vertex in range(vertex_count):
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print("CREATE (:Label {id: %d})" % vertex)
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if (vertex != 0 and vertex % BATCH_SIZE == 0) or (vertex + 1 == vertex_count):
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print(";")
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def create_edges(edge_count, vertex_count):
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"""vertex_count is the number of already existing vertices in graph"""
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matches = []
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merges = []
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for edge in range(edge_count):
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matches.append(
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"MATCH (a%d :Label {id: %d}), (b%d :Label {id: %d})"
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% (edge, randint(0, vertex_count - 1), edge, randint(0, vertex_count - 1))
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)
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merges.append("CREATE (a%d)-[:Type]->(b%d)" % (edge, edge))
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if (edge != 0 and edge % BATCH_SIZE == 0) or ((edge + 1) == edge_count):
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print(" ".join(matches + merges))
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print(";")
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matches = []
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merges = []
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