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function get_all_dbo_establishmentcycles

Maturity: 40

Retrieves all nodes of type dbo_EstablishmentCycles 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:
763 - 770
Complexity:
simple

Purpose

This function queries a Neo4j graph database to fetch dbo_EstablishmentCycles nodes. It's designed for retrieving establishment cycle data from a knowledge graph, likely representing business or organizational lifecycle information. The function uses a parameterized query to allow flexible result limiting, making it suitable for pagination or controlled data retrieval scenarios.

Source Code

def get_all_dbo_establishmentcycles(limit=100):
    """Return dbo_EstablishmentCycles nodes (limited to 25)"""
    query = """
    MATCH (n:dbo_EstablishmentCycles)
    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_EstablishmentCycles nodes to return from the database. Default is 100, though the docstring incorrectly states 25. Must be a positive integer. Higher values may impact query performance.

Return Value

Returns the result of run_query() function, which typically returns a list of Neo4j node records or a result object containing the matched dbo_EstablishmentCycles nodes. The exact return type depends on the implementation of run_query(), but it likely returns a list of dictionaries or Neo4j Record objects, each representing a node with its properties. Returns an empty collection if no nodes match or if limit is 0.

Dependencies

  • neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

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

# Get default 100 establishment cycles
results = get_all_dbo_establishmentcycles()
for record in results:
    print(record['n'])

# Get only 10 establishment cycles
limited_results = get_all_dbo_establishmentcycles(limit=10)

# Get all establishment cycles (use with caution on large datasets)
all_results = get_all_dbo_establishmentcycles(limit=10000)

Best Practices

  • Note the discrepancy: the docstring says 'limited to 25' but the default parameter is 100. Update documentation to match implementation.
  • Be cautious with the limit parameter on large databases - very high limits may cause performance issues or memory problems.
  • Ensure the run_query() function properly handles database connections and error cases.
  • Consider adding error handling for invalid limit values (negative numbers, non-integers).
  • For production use, consider adding pagination support (SKIP clause) rather than just LIMIT.
  • Verify that the Neo4j database connection is properly closed after query execution to prevent resource leaks.
  • Consider adding type hints to the function signature for better code documentation and IDE support.

Tags

neo4j graph-database query data-retrieval establishment-cycles cypher database nodes pagination limit

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  • function get_dbo_establishmentcycles_with_references_establishment_dbo_establishment 86.5% similar

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    Retrieves a single dbo_EstablishmentCycles node from a Neo4j graph database by its unique ID.

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    Retrieves a single dbo_EstablishmentCycles node from a Neo4j graph database by matching its unique identifier (UID).

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    Creates a new node labeled 'dbo_EstablishmentCycles' in a Neo4j graph database with the specified properties and returns the created node.

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