code: def run(self, stop_event):
      trigger = db.Triggers.query.get(self.object_id)
  
      # parse query
      self.query = parse_sql(trigger.query_str, dialect="mindsdb")
  
      session = SessionController()
  
      # prepare executor
      project_controller = ProjectController()
      project = project_controller.get(trigger.project_id)
  
      session.database = project.name
  
      self.command_executor = ExecuteCommands(session)
  
      # subscribe
      database = session.integration_controller.get_by_id(
          trigger.database_id
      )
      data_handler = session.integration_controller.get_handler(
          database["name"]
      )
  
      columns = trigger.columns
      if columns is not None:
          if columns == "":
              columns = None
          else:
              columns = columns.split("|")
  
      data_handler.subscribe(
          stop_event, self._callback, trigger.table_name, columns
      )
  
file_path: mindsdb/mindsdb/interfaces/triggers/trigger_task.py
imports: import copy
  import traceback
  from mindsdb_sql import parse_sql
  from mindsdb_sql.parser.ast import Data, Identifier
  from mindsdb_sql.planner.utils import query_traversal
  from mindsdb.interfaces.storage import db
  from mindsdb.api.executor.controllers.session_controller import SessionController
  from mindsdb.api.executor.command_executor import ExecuteCommands
  from mindsdb.interfaces.database.projects import ProjectController
  from mindsdb.utilities import log
  from mindsdb.interfaces.tasks.task import BaseTask
  from mindsdb.utilities.context import context
label_desc: Use image node_id 2 for calling the TriggerTask obj's underlying member method code with example usage: obj.run(stop_event) without return types