def _ident_str(self) -> str:
        """Even more concise identifier string than __str__."""

        if self.engine is None:
            return "(no engine)"

        if self.engine.url.database is None:
            return f"{self.engine.url.drivername} db"

        return self.engine.url.database
Even more concise identifier string than __str__.
src/core/trulens/core/database/sqlalchemy.py