code: def free_all_resources(self):
      self.cursor.execute("UPDATE resource SET status='free'")
      self.connector.commit()
  
imports: import logging
  import re
  import sqlite3
  import threading
  from time import sleep
  import json
  from datetime import datetime
  from .AbstractConnector import AbstractConnector
label_desc: Use image node_id 4 for calling the SQLiteConnector obj's underlying member method code with example usage: obj.free_all_resources() without return types