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update memgraph integration

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This commit is contained in:
matea16 2025-06-17 15:29:33 +02:00
parent ce9173c598
commit 5ede210f12
1 changed files with 10 additions and 0 deletions
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10
cognee/infrastructure/databases/graph/memgraph/memgraph_adapter.py
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@ -376,12 +376,22 @@ class MemgraphAdapter(GraphDBInterface):
The result of the edge addition operation, including relationship details.
"""
exists = await asyncio.gather(
self.has_node(str(from_node)),
self.has_node(str(to_node))
)
if not all(exists):
return None
serialized_properties = self.serialize_properties(edge_properties or {})
query = dedent(
f"""\
MATCH (from_node {{id: $from_node}}),
(to_node {{id: $to_node}})
WHERE from_node IS NOT NULL AND to_node IS NOT NULL
MERGE (from_node)-[r:{relationship_name}]->(to_node)
ON CREATE SET r += $properties, r.updated_at = timestamp()
ON MATCH SET r += $properties, r.updated_at = timestamp()