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function get_all_parameter_medicationtypeproperties

Maturity: 40

Retrieves Parameter_MedicationTypeProperties nodes from a Neo4j graph database with a configurable limit on the number of results returned.

File:
/tf/active/vicechatdev/neo4j_schema/neo4j_python_snippets.py
Lines:
529 - 536
Complexity:
simple

Purpose

This function queries a Neo4j database to fetch all nodes labeled as 'Parameter_MedicationTypeProperties'. It's designed for retrieving medication type property parameters from a graph database, useful in healthcare or pharmaceutical applications where medication metadata needs to be accessed. The function provides a simple interface to limit the number of results returned, preventing potential memory issues with large datasets.

Source Code

def get_all_parameter_medicationtypeproperties(limit=100):
    """Return Parameter_MedicationTypeProperties nodes (limited to 25)"""
    query = """
    MATCH (n:Parameter_MedicationTypeProperties)
    RETURN n
    LIMIT $limit
    """
    return run_query(query, {"limit": limit})

Parameters

Name Type Default Kind
limit - 100 positional_or_keyword

Parameter Details

limit: Integer value that controls the maximum number of Parameter_MedicationTypeProperties nodes to return from the database. Default is 100, though the docstring incorrectly states 25. Must be a positive integer. Higher values may impact performance and memory usage.

Return Value

Returns the result of the run_query function execution, which typically contains a list or collection of Neo4j node objects representing Parameter_MedicationTypeProperties. The exact return type depends on the run_query implementation, but it likely returns a list of dictionaries or Neo4j Record objects containing the node properties. Returns up to 'limit' number of nodes.

Dependencies

  • neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query is defined and Neo4j connection is established
from neo4j import GraphDatabase

# Define run_query helper function (example implementation)
def run_query(query, params):
    driver = GraphDatabase.driver('bolt://localhost:7687', auth=('neo4j', 'password'))
    with driver.session() as session:
        result = session.run(query, params)
        return [record['n'] for record in result]
    driver.close()

# Get default 100 medication type properties
medication_properties = get_all_parameter_medicationtypeproperties()

# Get only 10 medication type properties
medication_properties_limited = get_all_parameter_medicationtypeproperties(limit=10)

# Process results
for prop in medication_properties:
    print(prop)

Best Practices

  • The docstring incorrectly states the limit is 25 when the default parameter is 100 - this should be corrected for consistency
  • Always use appropriate limit values to prevent memory issues when dealing with large datasets
  • Ensure the run_query function properly handles database connections and closes them to prevent connection leaks
  • Consider adding error handling for database connection failures or query execution errors
  • The function depends on run_query being defined elsewhere - ensure this dependency is available before calling
  • Consider adding type hints for better code documentation (e.g., limit: int -> List[Dict])
  • Validate that the limit parameter is a positive integer to prevent invalid queries

Tags

neo4j graph-database query medication healthcare database-retrieval cypher parameters properties

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