see also for session commit, rollback

This commit is contained in:
Mike Bayer
2013-02-11 21:10:55 -05:00
parent b6b147c5ec
commit ce9d61be9b
2 changed files with 14 additions and 1 deletions
+4
View File
@@ -780,6 +780,8 @@ required after a flush fails, even though the underlying transaction will have
been rolled back already - this is so that the overall nesting pattern of
so-called "subtransactions" is consistently maintained.
.. _session_committing:
Committing
----------
@@ -818,6 +820,8 @@ model to some degree since the :class:`~sqlalchemy.orm.session.Session`
behaves in exactly the same way with regard to attribute state, except no
transaction is present.
.. _session_rollback:
Rolling Back
------------
+10 -1
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@@ -655,6 +655,10 @@ class Session(_SessionClassMethods):
to the first real transaction are closed. Subtransactions occur when
begin() is called multiple times.
.. seealso::
:ref:`session_rollback`
"""
if self.transaction is None:
pass
@@ -678,11 +682,16 @@ class Session(_SessionClassMethods):
multiple times), the subtransaction will be closed, and the next call
to ``commit()`` will operate on the enclosing transaction.
For a session configured with autocommit=False, a new transaction will
When using the :class:`.Session` in its default mode of
``autocommit=False``, a new transaction will
be begun immediately after the commit, but note that the newly begun
transaction does *not* use any connection resources until the first
SQL is actually emitted.
.. seealso::
:ref:`session_committing`
"""
if self.transaction is None:
if not self.autocommit: