BUG: `retrieve_episodes` always return no results

[zshaoz]

What you were trying to do when you encountered the bug I have populated the graph database through adding new episodes. I have confirmed that the relevant nodes and edges are successfully create. So, i attempted to fetch the recent few episodes through retrieve_episodes. See code block:

    episodes = await graphiti.retrieve_episodes(
        reference_time=datetime.now(),
        group_ids=[group_id],
    )

What you expected to happen Return the last_n episodic nodes.

What actually happened No episodic nodes returned.

A code sample or test case that demonstrates the issue

    episodes = await graphiti.retrieve_episodes(
        reference_time=datetime.now(),
        group_ids=[group_id],
    )

episodes shows an empty list.

[zshaoz]

I already have the solution at hand. On line: https://github.com/getzep/graphiti/blob/main/graphiti_core/utils/maintenance/graph_data_operations.py#L143 Simple change $reference_time to datetime($reference_time) would fix the issue.

[TheEpTic]

I already have the solution at hand. On line: https://github.com/getzep/graphiti/blob/main/graphiti_core/utils/maintenance/graph_data_operations.py#L143 Simple change $reference_time to datetime($reference_time) would fix the issue.

Why not PR it if it's a fix?

[prasmussen15]

Have you confirmed that you are using the correct group_id?

[danielchalef]

datetime($reference_time) is not required as Neo4j does an implicit conversion.

[zshaoz]

@prasmussen15 Yes, I am using the correct group_id.

[claude[bot]]

@zshaoz Is this still an issue? Please confirm within 14 days or this issue will be closed.

[claude[bot]]

@zshaoz Is this still an issue? Please confirm within 14 days or this issue will be closed.

[claude[bot]]

@zshaoz Is this still an issue? Please confirm within 14 days or this issue will be closed.

[claude[bot]]

@zshaoz Is this still an issue? Please confirm within 14 days or this issue will be closed.