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Fix path generation ignores edge's element_id (#1108)

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andrejtonev 2023-07-29 15:51:51 +02:00 committed by GitHub
parent 9072fb7703
commit 110ca3968c
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3 changed files with 38 additions and 1 deletions
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2
src/communication/bolt/v1/value.hpp
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@ -112,7 +112,7 @@ struct Path {
for (uint i = 0; i < edges.size(); i++) {
const auto &e = edges[i];
const auto &v = vertices[i + 1];
UnboundedEdge unbounded_edge{e.id, e.type, e.properties};
UnboundedEdge unbounded_edge{e.id, e.type, e.properties, e.element_id};
add_element(this->edges, unbounded_edge, e.to == v.id ? 1 : -1, 1);
add_element(this->vertices, v, 1, 0);
}

36
tests/drivers/python/v5_8/path.py Normal file
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@ -0,0 +1,36 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2021 Memgraph Ltd.
#
# Use of this software is governed by the Business Source License
# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
# License, and you may not use this file except in compliance with the Business Source License.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0, included in the file
# licenses/APL.txt.
from neo4j import GraphDatabase, basic_auth
from neo4j.exceptions import ClientError, TransientError
with GraphDatabase.driver("bolt://localhost:7687", auth=None, encrypted=False) as driver:
# Setup the graph.
with driver.session() as session:
session.run("MATCH (n) DETACH DELETE n").consume()
session.run(
"CREATE (:Node{id:1})-[:IS_CONNECTED]->(:Node{id:2})-[:IS_CONNECTED]->(:Node{id:3})-[:IS_CONNECTED]->(:Node{id:4})"
).consume()
# Return a path of length 2
with driver.session() as session:
res = session.run("MATCH p = (:Node)-[:IS_CONNECTED*..2]->(:Node) RETURN p").values()
assert len(res) == 5, "Didn't find all the paths"
# Return a path of length 3
with driver.session() as session:
res = session.run("MATCH p = (:Node)-[:IS_CONNECTED*3]->(:Node) RETURN p").values()
assert len(res) == 1, "Didn't find the path"
print("All ok!")

1
tests/drivers/python/v5_8/run.sh
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@ -24,3 +24,4 @@ source ve3/bin/activate
python3 docs_how_to_query.py || exit 1
python3 max_query_length.py || exit 1
python3 transactions.py || exit 1
python3 path.py || exit 1