parameters: ()
docstring: Run migrations in 'online' mode.
  
      In this scenario we need to create an Engine
      and associate a connection with the context.
docstring_summary: Run migrations in 'online' mode.
docstring_tokens: Run migrations in online mode .
function: def run_migrations_online():
      """Run migrations in 'online' mode.
  
      In this scenario we need to create an Engine
      and associate a connection with the context.
  
      """
      engine = engine_from_config(
          config.get_section(config.config_ini_section), prefix='sqlalchemy.', poolclass=pool.NullPool
      )
  
      connection = engine.connect()
      context.configure(connection=connection, target_metadata=target_metadata, include_object=include_object)
  
      try:
          with context.begin_transaction():
              context.run_migrations()
      finally:
          connection.close()
function_tokens: def run_migrations_online ( ) : engine = engine_from_config ( config . get_section ( config . config_ini_section ) , prefix = 'sqlalchemy.' , poolclass = pool . NullPool ) connection = engine . connect ( ) context . configure ( connection = connection , target_metadata = target_metadata , include_object = include_object ) try : with context . begin_transaction ( ) : context . run_migrations ( ) finally : connection . close ( )