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

Purpose

This function queries a Neo4j database to fetch a specific text translation record identified by its ID. It's designed for retrieving individual translation entries from a database schema where translations are stored as nodes with the label 'dbo_TextTranslations'. The function returns the matched node or None if no matching record exists.

Source Code

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

Parameters

Parameter Details

id: The unique identifier of the dbo_TextTranslations node to retrieve. Expected to be a string or integer value that matches the 'id' property of a node in the Neo4j database. This parameter is used in a Cypher query to perform an exact match lookup.

Return Value

Returns a dictionary-like object representing the matched Neo4j node if found, containing all properties of the dbo_TextTranslations node. Returns None if no node with the specified ID exists. The exact structure depends on the properties stored in the node, but typically includes the 'id' field and other translation-related attributes.

Dependencies

• neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query is defined and Neo4j is configured
# Example 1: Retrieve a translation by ID
translation = get_dbo_texttranslations_by_id(12345)
if translation:
    print(f"Found translation: {translation}")
else:
    print("Translation not found")

# Example 2: Using with string ID
translation = get_dbo_texttranslations_by_id("trans_001")
if translation:
    text = translation.get('text', 'No text available')
    language = translation.get('language', 'Unknown')
    print(f"Language: {language}, Text: {text}")

Best Practices

• Always check if the return value is None before accessing node properties to avoid AttributeError
• Ensure the 'id' parameter matches the data type stored in the Neo4j database (string vs integer)
• The function depends on an external run_query function which must handle Neo4j connection management and error handling
• Consider adding error handling for database connection failures or query execution errors
• For production use, implement proper logging to track failed lookups
• Validate the 'id' parameter before passing it to prevent injection attacks or invalid queries

Tags

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