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Retrieves dbo_Flocks nodes from a Neo4j graph database that are connected to a specific dbo_Treatments node via a REFERENCES_FLOCKS relationship.

Purpose

This function queries a Neo4j graph database to find all flock records (dbo_Flocks) that are referenced by a specific treatment record (dbo_Treatments). It's useful for tracking which flocks are associated with particular treatments in what appears to be an agricultural or livestock management system. The function supports pagination through a limit parameter to control the number of results returned.

Source Code

def get_dbo_treatments_with_references_flocks_dbo_flocks(source_id, limit=100):
    """Get dbo_Flocks nodes connected to a dbo_Treatments via REFERENCES_FLOCKS"""
    query = """
    MATCH (source:dbo_Treatments {id: $source_id})-[r:REFERENCES_FLOCKS]->(target:dbo_Flocks)
    RETURN target
    LIMIT $limit
    """
    return run_query(query, {"source_id": source_id, "limit": limit})

Parameters

Parameter Details

source_id: The unique identifier (id property) of the dbo_Treatments node from which to find connected dbo_Flocks nodes. This should be a string or integer value that matches the 'id' property in the Neo4j database.

limit: Maximum number of dbo_Flocks nodes to return. Defaults to 100. This parameter helps control query performance and result set size. Must be a positive integer.

Return Value

Returns the result of the run_query function execution, which typically contains a list or collection of dbo_Flocks nodes (target nodes) that match the query criteria. The exact return type depends on the run_query function implementation, but it likely returns a list of dictionaries or Neo4j Record objects containing the properties of each matched dbo_Flocks node. Returns an empty collection if no matching flocks are found.

Dependencies

• neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query is defined and Neo4j connection is configured
# Example 1: Get flocks for a specific treatment with default limit
flocks = get_dbo_treatments_with_references_flocks_dbo_flocks(source_id="TREAT_001")

# Example 2: Get flocks with custom limit
flocks = get_dbo_treatments_with_references_flocks_dbo_flocks(source_id="TREAT_001", limit=50)

# Example 3: Process results
for flock in flocks:
    print(f"Flock ID: {flock['id']}, Name: {flock.get('name', 'N/A')}")

Best Practices

• Ensure the source_id parameter matches the exact format and type of the 'id' property in your Neo4j database
• Use appropriate limit values to avoid performance issues with large datasets
• Handle cases where no flocks are found (empty result set) in your calling code
• Consider adding error handling around the function call to catch database connection issues
• Verify that the run_query function properly handles Neo4j session management and connection pooling
• Consider adding indexes on the 'id' property of dbo_Treatments nodes for better query performance
• Be aware that this function depends on the external run_query function which must be properly implemented and available

Tags

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