MatheusFarias03 opened a new pull request, #789:
URL: https://github.com/apache/age/pull/789
Renamed the `getChildren` function to `get_child_edges` to standardize the
code, and removed unnecessary lines. Added regression tests in the
`cypher_vle.sql` file but when executing it with the installcheck, it throws an
error when testing for scalar property matching.
```
-- Test scalar property matching - should match 1
SELECT count(edges) FROM start_and_end_points, age_vle(
'"cypher_vle"'::agtype, start_vertex, end_vertex, '{"id": 1111111111111111,
"label": "", "end_id": 2222222222222222, "start_id": 333333333333333,
"properties": {"name": "main edge"}}::edge'::agtype, '1'::agtype,
'null'::agtype, '1'::agtype);
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
connection to server was lost
```
Although, the VLE does find the child edges of the parent when executing the
following queries:
```sql
SELECT create_graph('vle_inheritance_graph');
SELECT create_vlabel('vle_inheritance_graph', 'Head');
SELECT create_vlabel('vle_inheritance_graph', 'Tail');
SELECT create_vlabel('vle_inheritance_graph', 'Node');
SELECT create_elabel('vle_inheritance_graph', 'PARENT_EDGE_A');
SELECT create_elabel('vle_inheritance_graph', 'PARENT_EDGE_B');
SELECT create_elabel('vle_inheritance_graph', 'CHILD_EDGE_A',
ARRAY['PARENT_EDGE_A']);
SELECT create_elabel('vle_inheritance_graph', 'CHILD_EDGE_B',
ARRAY['PARENT_EDGE_B']);
SELECT * FROM cypher('vle_inheritance_graph', $$
CREATE (:Head {id: 1})-[:PARENT_EDGE_A]->(:Node {id:
2})-[:CHILD_EDGE_A]->(:Node {id: 3})-[:PARENT_EDGE_A]->(:Tail {id: 4}),
(:Head {id: 5})-[:PARENT_EDGE_B]->(:Node {id:
6})-[:CHILD_EDGE_B]->(:Node {id: 7})-[:PARENT_EDGE_B]->(:Tail {id: 8})
$$) AS (a agtype);
SELECT * FROM cypher('vle_inheritance_graph', $$
MATCH (a)-[:PARENT_EDGE_A*1]->(b)
RETURN a.id, b.id
$$) AS (a_id agtype, b_id agtype);
a_id | b_id
------+------
1 | 2
2 | 3
3 | 4
(3 rows)
```
To solve the test problem, it would probably be best to do this in the
`load_edge_hashtable` function.
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