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Diffstat (limited to 'lib/sqlalchemy/engine/create.py')
| -rw-r--r-- | lib/sqlalchemy/engine/create.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/sqlalchemy/engine/create.py b/lib/sqlalchemy/engine/create.py index f89be1809..72d232085 100644 --- a/lib/sqlalchemy/engine/create.py +++ b/lib/sqlalchemy/engine/create.py @@ -655,9 +655,12 @@ def create_engine(url, **kwargs): c = base.Connection( engine, connection=dbapi_connection, _has_events=False ) - c._execution_options = util.immutabledict() - dialect.initialize(c) - dialect.do_rollback(c.connection) + c._execution_options = util.EMPTY_DICT + + try: + dialect.initialize(c) + finally: + dialect.do_rollback(c.connection) # previously, the "first_connect" event was used here, which was then # scaled back if the "on_connect" handler were present. now, |