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

Purpose

This function queries a Neo4j database to fetch a specific text translation node. It's designed for retrieving translation records stored in a graph database structure, likely part of a larger system managing multilingual content or database object translations. The function returns the first matching node or None if no match is found.

Source Code

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

Parameters

Parameter Details

uid: The unique identifier (UID) of the dbo_TextTranslations node to retrieve. Expected to be a string or integer value that uniquely identifies a translation record in the Neo4j database. This value is used in the Cypher query's WHERE clause to match the exact node.

Return Value

Returns a dictionary representing the matched Neo4j node if found, containing all properties of the dbo_TextTranslations node. Returns None if no node with the specified UID exists. The exact structure of the returned dictionary depends on the properties stored in the dbo_TextTranslations nodes in the database.

Dependencies

• neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query function is defined and Neo4j is configured
# Example run_query 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()

# Using the function
translation_uid = '12345'
translation_node = get_dbo_texttranslations_by_uid(translation_uid)

if translation_node:
    print(f"Found translation: {translation_node}")
else:
    print("Translation not found")

Best Practices

• Ensure the run_query function properly handles database connections and closes them after use to prevent connection leaks
• Consider adding error handling for database connection failures or query execution errors
• Validate the uid parameter before passing it to the query to prevent injection attacks
• Consider adding type hints to the function signature for better code documentation
• The function assumes run_query returns a list; ensure this contract is maintained
• Consider adding logging for debugging purposes, especially when nodes are not found
• For production use, implement proper connection pooling through Neo4j driver configuration

Tags

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