Update Entities

• In this example we load a company document and update its PostalCode property.

with store.open_session() as session:
    # Load a company document
    # The entity loaded from the document will be added to the Session's entities map
    company = session.load("companies/1-A", Company)

    # Update the company's postal_code
    company.address["postal_code"] = "TheNewPostalCode"

    # In Python client nested objects are loaded as dicts for convenience
    # You can customize and control your class (from/to) JSON conversion to fit any case
    # Implement classmethod 'from_json(json_dict) -> YourType' to control how the object its being read
    # Implement method 'to_json() -> Dict' to manage how it's serialized

    # Apply changes
    session.save_changes()

• In this example we query for company documents whose PostalCode property is 12345,
  and modify this property for the matching documents.

with store.open_session() as session:
    # Query: find companies with the specified postal_code
    # The entities loaded from the matching documents will be added to the Session's entities map
    query = session.query(object_type=Company).where_equals("address.postal_code", "12345")

    matching_companies = list(query)

    # Update the postal_code for the resulting company documents
    for company in matching_companies:
        company.address["postal_code"] = "TheNewPostalCode"

    # Apply changes
    session.save_changes()