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function get_all_dbo_flocktypes

Maturity: 39

Queries a Neo4j graph database to retrieve all nodes labeled as 'dbo_FlockTypes' with a configurable limit on the number of results returned.

File:
/tf/active/vicechatdev/neo4j_schema/neo4j_python_snippets.py
Lines:
802 - 809
Complexity:
simple

Purpose

This function is designed to fetch FlockTypes entities from a Neo4j database, likely representing different types or categories of flocks in a domain model. It uses Cypher query language to match nodes with the 'dbo_FlockTypes' label and returns them through a query execution function. The function is useful for retrieving reference data or master data about flock classifications in applications dealing with animal management, ornithology, or similar domains.

Source Code

def get_all_dbo_flocktypes(limit=100):
    """Return dbo_FlockTypes nodes (limited to 25)"""
    query = """
    MATCH (n:dbo_FlockTypes)
    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 dbo_FlockTypes nodes to return from the database. Defaults to 100. Note: The docstring incorrectly states the limit is 25, but the actual default is 100. This parameter allows pagination or controlled data retrieval to prevent overwhelming the system with large result sets.

Return Value

Returns the result of the run_query() function execution, which typically contains a list or collection of Neo4j node objects representing dbo_FlockTypes entities. The exact return type depends on the implementation of run_query(), but it likely returns a list of dictionaries or Neo4j Record objects containing the properties of each matched node. The number of results will not exceed the specified limit parameter.

Dependencies

  • neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query is defined and Neo4j connection is configured
# Example 1: Get default 100 flock types
flock_types = get_all_dbo_flocktypes()
for flock_type in flock_types:
    print(flock_type)

# Example 2: Get only 10 flock types
limited_flock_types = get_all_dbo_flocktypes(limit=10)

# Example 3: Get all available flock types (use large limit)
all_flock_types = get_all_dbo_flocktypes(limit=1000)

Best Practices

  • The docstring contains incorrect information (states limit is 25 but default is 100) - this should be corrected to avoid confusion
  • Consider adding type hints for better code documentation: def get_all_dbo_flocktypes(limit: int = 100) -> list
  • Validate that the limit parameter is a positive integer to prevent invalid queries
  • Consider adding error handling for database connection issues or query failures
  • The run_query() function dependency should be clearly documented or imported explicitly
  • For production use, consider adding logging to track query execution and performance
  • If dealing with large datasets, consider implementing proper pagination with offset/skip parameters rather than just a limit

Tags

neo4j graph-database cypher-query database-query data-retrieval flock-types nodes dbo pagination limit

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