diff options
Diffstat (limited to 'lib/sqlalchemy/engine/events.py')
| -rw-r--r-- | lib/sqlalchemy/engine/events.py | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/lib/sqlalchemy/engine/events.py b/lib/sqlalchemy/engine/events.py index effebb4cb..cfb616aff 100644 --- a/lib/sqlalchemy/engine/events.py +++ b/lib/sqlalchemy/engine/events.py @@ -336,10 +336,7 @@ class ConnectionEvents(event.Events): The hook is called while the cursor from the failed operation (if any) is still open and accessible. Special cleanup operations can be called on this cursor; SQLAlchemy will attempt to close - this cursor subsequent to this hook being invoked. If the connection - is in "autocommit" mode, the transaction also remains open within - the scope of this hook; the rollback of the per-statement transaction - also occurs after the hook is called. + this cursor subsequent to this hook being invoked. .. note:: @@ -437,7 +434,10 @@ class ConnectionEvents(event.Events): """ - def engine_connect(self, conn, branch): + @event._legacy_signature( + "2.0", ["conn", "branch"], converter=lambda conn: (conn, False) + ) + def engine_connect(self, conn): """Intercept the creation of a new :class:`_engine.Connection`. This event is called typically as the direct result of calling @@ -461,19 +461,9 @@ class ConnectionEvents(event.Events): events within the lifespan of a single :class:`_engine.Connection` object, if that :class:`_engine.Connection` - is invalidated and re-established. There can also be multiple - :class:`_engine.Connection` - objects generated for the same already-checked-out - DBAPI connection, in the case that a "branch" of a - :class:`_engine.Connection` - is produced. + is invalidated and re-established. :param conn: :class:`_engine.Connection` object. - :param branch: if True, this is a "branch" of an existing - :class:`_engine.Connection`. A branch is generated within the course - of a statement execution to invoke supplemental statements, most - typically to pre-execute a SELECT of a default value for the purposes - of an INSERT statement. .. seealso:: |