update table

orders-events/app/events/billing/append_enrollment.py

@@ -43,9 +43,11 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     now_ = now()
     org_id = new_image['org_id']
     enrollment = enrollment_layer.collection.get_items(
-        TransactKey(new_image['id']) + SortKey('0') + SortKey('author')
-        # Post-migration: uncomment the following line
-        # + SortKey('CREATED_BY')
+        TransactKey(new_image['id'])
+        + SortKey('0')
+        + SortKey('CREATED_BY', rename_key='created_by', path_spec='created_by')
+        # Post-migration: remove the following line
+        + SortKey('author', rename_key='created_by')
     )
 
     if not enrollment:
@@ -99,7 +101,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
 
     # Add enrollment entry to billing
     try:
-        created_by = enrollment.get('author')
+        created_by = enrollment.get('created_by')
         course_id = enrollment['course']['id']
         course = course_layer.collection.get_items(
             KeyPair(