sqlalchemy.engine.base.TwoPhaseTransaction

class documentation

class TwoPhaseTransaction(RootTransaction):

Represent a two-phase transaction.

A new .TwoPhaseTransaction object may be procured using the _engine.Connection.begin_twophase method.

The interface is the same as that of .Transaction with the addition of the prepare method.

Method	`__init__`	Undocumented
Method	`_connection_begin_impl`	Undocumented
Method	`_connection_commit_impl`	Undocumented
Method	`_connection_rollback_impl`	Undocumented
Method	`prepare`	Prepare this `.TwoPhaseTransaction`.
Class Variable	`__slots__`	Undocumented
Instance Variable	`_is_prepared`	Undocumented
Instance Variable	`xid`	Undocumented

Inherited from RootTransaction:

Method	`_close_impl`	Undocumented
Method	`_deactivate_from_connection`	Undocumented
Method	`_do_close`	Undocumented
Method	`_do_commit`	Undocumented
Method	`_do_deactivate`	do whatever steps are necessary to set this transaction as "deactive", however leave this transaction object in place as far as the connection's state.
Method	`_do_rollback`	Undocumented
Class Variable	`_is_root`	Undocumented
Instance Variable	`connection`	Undocumented
Instance Variable	`is_active`	Undocumented
Property	`_deactivated_from_connection`	True if this transaction is totally deactivated from the connection and therefore can no longer affect its state.

Inherited from Transaction (via RootTransaction):

Method	`_get_subject`	Undocumented
Method	`_rollback_can_be_called`	indicates the object is in a state that is known to be acceptable for rollback() to be called.
Method	`_transaction_is_active`	Undocumented
Method	`_transaction_is_closed`	Undocumented
Method	`close`	Close this `.Transaction`.
Method	`commit`	Commit this `.Transaction`.
Method	`rollback`	Roll back this `.Transaction`.
Property	`is_valid`	Undocumented

def __init__(self, connection, xid):

overrides sqlalchemy.engine.base.RootTransaction.__init__

Undocumented

def _connection_begin_impl(self):

overrides sqlalchemy.engine.base.RootTransaction._connection_begin_impl

Undocumented

def _connection_commit_impl(self):

overrides sqlalchemy.engine.base.RootTransaction._connection_commit_impl

Undocumented

def _connection_rollback_impl(self):

overrides sqlalchemy.engine.base.RootTransaction._connection_rollback_impl

Undocumented

def prepare(self):

Prepare this .TwoPhaseTransaction.

After a PREPARE, the transaction can be committed.

__slots__: tuple[str, ...] =

overrides sqlalchemy.engine.base.RootTransaction.__slots__

Undocumented

_is_prepared: bool =

Undocumented

xid =

Undocumented