def METHOD_NAME(self) -> None:
    # Validate/populate model exists
    self._model = DatabaseDAO.find_by_id(self._model_id)
    if not self._model:
        raise DatabaseNotFoundError()
    spec = self._model.db_engine_spec
    validators_by_engine = current_app.config["SQL_VALIDATORS_BY_ENGINE"]
    if not validators_by_engine or spec.engine not in validators_by_engine:
        raise NoValidatorConfigFoundError(
            SupersetError(
                message=__(f"no SQL validator is configured for {spec.engine}"),
                error_type=SupersetErrorType.GENERIC_DB_ENGINE_ERROR,
                level=ErrorLevel.ERROR,
            ),
        )
    validator_name = validators_by_engine[spec.engine]
    self._validator = get_validator_by_name(validator_name)
    if not self._validator:
        raise NoValidatorFoundError(
            SupersetError(
                message=__(
                    f"No validator named {validator_name} found "
                    f"(configured for the {spec.engine} engine)"
                ),
                error_type=SupersetErrorType.GENERIC_DB_ENGINE_ERROR,
                level=ErrorLevel.ERROR,
            ),
        )