Method is_disconnect

lib/sqlalchemy/engine/interfaces.py:2275–2284

Return True if the given DB-API error indicates an invalid connection

(
        self,
        e: DBAPIModule.Error,
        connection: Optional[Union[PoolProxiedConnection, DBAPIConnection]],
        cursor: Optional[DBAPICursor],
    )

        raise NotImplementedError()

    def is_disconnect(
        self,
        e: DBAPIModule.Error,
        connection: Optional[Union[PoolProxiedConnection, DBAPIConnection]],
        cursor: Optional[DBAPICursor],
    ) -> bool:
        """Return True if the given DB-API error indicates an invalid
        connection"""

        raise NotImplementedError()

    def connect(self, *cargs: Any, **cparams: Any) -> DBAPIConnection:
        r"""Establish a connection using this dialect's DBAPI.