Fixed issue in getNodesToBeDeleted() query

            try:

                cursor = conn.cursor(cursor_factory = RealDictCursor)

                cursor.execute("""

                    WITH RECURSIVE del AS (

                    WITH RECURSIVE all_nodes AS (

                        SELECT node_id, name, os_name, relative_path, parent_relative_path

                        FROM node

                        UNION

                        SELECT node_id, name, os_name, path(parent_relative_path, node_id) AS relative_path, parent_relative_path

                        FROM deleted_node

                    ), del AS (

                        SELECT COALESCE(os_name, name) AS os_name, 1 AS level, node_id AS deleted_node_id,

                        path(parent_relative_path, node_id) AS relative_path, parent_relative_path 

                        FROM deleted_node WHERE phy_deleted_on IS NULL

                            UNION ALL

                        SELECT COALESCE(n.os_name, n.name), d.level + 1, d.deleted_node_id,

                        n.relative_path, n.parent_relative_path

                        FROM node n JOIN del d ON n.relative_path = d.parent_relative_path

                        FROM all_nodes n JOIN del d ON n.relative_path = d.parent_relative_path

                        WHERE n.parent_relative_path IS NOT NULL

                    ), paths_to_delete AS

                    (SELECT deleted_node_id, '/' || STRING_AGG(os_name, '/' ORDER BY LEVEL DESC) AS os_path