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function get_parameter_medicationtypeproperties_by_uid

Maturity: 40

Retrieves a Parameter_MedicationTypeProperties node from a Neo4j graph database using its unique identifier (UID).

File:
/tf/active/vicechatdev/neo4j_schema/neo4j_python_snippets.py
Lines:
547 - 554
Complexity:
simple

Purpose

This function queries a Neo4j database to fetch a specific Parameter_MedicationTypeProperties node by matching its UID property. It's designed for retrieving medication type parameter configurations or properties stored in a graph database structure. The function returns the first matching node or None if no match is found.

Source Code

def get_parameter_medicationtypeproperties_by_uid(uid):
    """Get a Parameter_MedicationTypeProperties node by its UID"""
    query = """
    MATCH (n:Parameter_MedicationTypeProperties {UID: $uid})
    RETURN n
    """
    result = run_query(query, {"uid": uid})
    return result[0] if result else None

Parameters

Name Type Default Kind
uid - - positional_or_keyword

Parameter Details

uid: The unique identifier (UID) of the Parameter_MedicationTypeProperties node to retrieve. Expected to be a string or value that matches the UID property stored in the Neo4j database. This should be a valid, existing UID for a Parameter_MedicationTypeProperties node.

Return Value

Returns the first Parameter_MedicationTypeProperties node object that matches the provided UID if found, or None if no matching node exists. The returned node object contains all properties associated with that Parameter_MedicationTypeProperties node in the database. The return type is either a dictionary-like node object or None.

Dependencies

  • neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

from neo4j import GraphDatabase

# Assuming run_query is defined elsewhere
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()

# Use the function
uid_to_find = 'med-type-123'
node = get_parameter_medicationtypeproperties_by_uid(uid_to_find)

if node:
    print(f'Found node: {node}')
else:
    print('Node not found')

Best Practices

  • Ensure the run_query function is properly implemented with error handling and connection management
  • Validate the uid parameter before passing it to prevent injection attacks
  • Consider adding error handling for database connection failures
  • The function assumes run_query returns a list; ensure this contract is maintained
  • Consider adding logging for debugging purposes when nodes are not found
  • Ensure proper Neo4j driver cleanup in the run_query implementation
  • Consider adding type hints for better code documentation (e.g., uid: str -> Optional[Dict])

Tags

neo4j graph-database query medication parameters database-retrieval uid-lookup healthcare node-retrieval

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