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Diffstat (limited to 'lib/sqlalchemy/engine/interfaces.py')
| -rw-r--r-- | lib/sqlalchemy/engine/interfaces.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/interfaces.py b/lib/sqlalchemy/engine/interfaces.py index c1de13221..9952a85e3 100644 --- a/lib/sqlalchemy/engine/interfaces.py +++ b/lib/sqlalchemy/engine/interfaces.py @@ -1967,6 +1967,9 @@ class Dialect(EventTarget): raise NotImplementedError() + def _do_ping_w_event(self, dbapi_connection: DBAPIConnection) -> bool: + raise NotImplementedError() + def do_ping(self, dbapi_connection: DBAPIConnection) -> bool: """ping the DBAPI connection and return True if the connection is usable.""" @@ -3291,6 +3294,17 @@ class ExceptionContext: """ + is_pre_ping: bool + """Indicates if this error is occurring within the "pre-ping" step + performed when :paramref:`_sa.create_engine.pool_pre_ping` is set to + ``True``. In this mode, the :attr:`.ExceptionContext.engine` attribute + will be ``None``. The dialect in use is accessible via the + :attr:`.ExceptionContext.dialect` attribute. + + .. versionadded:: 2.0.5 + + """ + class AdaptedConnection: """Interface of an adapted connection object to support the DBAPI protocol. |