[1.1.X] Fixed #11900 -- Corrected an edge case of transaction handling in the...

                raise

            else:

                if is_dirty():

                    try:

                        commit()

                    except:

                        rollback()

                        raise

            return res

        finally:

            leave_transaction_management()

    ...

TransactionManagementError: Transaction managed block ended with pending COMMIT/ROLLBACK

"""

# Regression for #11900: If a function wrapped by commit_on_success writes a

# transaction that can't be committed, that transaction should be rolled back.

# The bug is only visible using the psycopg2 backend, though

# the fix is generally a good idea.

if building_docs or settings.DATABASE_ENGINE == 'postgresql_psycopg2':

    __test__['API_TESTS'] += """

>>> def execute_bad_sql():

...     cursor = connection.cursor()

...     cursor.execute("INSERT INTO transactions_reporter (first_name, last_name) VALUES ('Douglas', 'Adams');")

...     transaction.set_dirty()

...

>>> execute_bad_sql = transaction.commit_on_success(execute_bad_sql)

>>> execute_bad_sql()

Traceback (most recent call last):

    ...

IntegrityError: null value in column "email" violates not-null constraint

<BLANKLINE>

"""