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Added created_at:datetime on the :Session and :Message node #349

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Merged
merged 3 commits into from
Jun 9, 2025
Merged

Added created_at:datetime on the :Session and :Message node #349

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96413a6
Added created_at:datetime on the :Session and :Message node
msenechal May 28, 2025
b034f5b
Changed property from created_at to createdAt + ran ruff format .
msenechal Jun 9, 2025
205e818
Ruff through peotry conf
msenechal Jun 9, 2025
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4 changes: 2 additions & 2 deletions src/neo4j_graphrag/message_history.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
Neo4jMessageHistoryModel,
)

CREATE_SESSION_NODE_QUERY = "MERGE (s:`{node_label}` {{id:$session_id}})"
CREATE_SESSION_NODE_QUERY = "MERGE (s:`{node_label}` {{id:$session_id, created_at: datetime()}})"
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Should the property be createdAt to follow Neo4j convention? Otherwise looks good to me!


DELETE_SESSION_AND_MESSAGES_QUERY = (
"MATCH (s:`{node_label}`) "
Expand Down Expand Up @@ -56,7 +56,7 @@
"MATCH (s:`{node_label}`) WHERE s.id = $session_id "
"OPTIONAL MATCH (s)-[lm:LAST_MESSAGE]->(last_message) "
"CREATE (s)-[:LAST_MESSAGE]->(new:Message) "
"SET new += {{role:$role, content:$content}} "
"SET new += {{role:$role, content:$content, created_at: datetime()}} "
"WITH new, lm, last_message WHERE last_message IS NOT NULL "
"CREATE (last_message)-[:NEXT]->(new) "
"DELETE lm"
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