diff options
author | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-12-27 15:02:31 -0500 |
---|---|---|
committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-12-30 14:07:18 -0500 |
commit | 04fbb9e63c098dd2de40b545eed210dfd93893ce (patch) | |
tree | f509e09f71c9a382b2d7934cf81262ad019df377 /lib/sqlalchemy/sql/annotation.py | |
parent | 9d4a58d35c53484a1de66396139fc34cd65f5be8 (diff) | |
download | sqlalchemy-04fbb9e63c098dd2de40b545eed210dfd93893ce.tar.gz |
Test for short term reference cycles and resolve as many as possible
Added test support and repaired a wide variety of unnecessary reference
cycles created for short-lived objects, mostly in the area of ORM queries.
Fixes: #5056
Change-Id: Ifd93856eba550483f95f9ae63d49f36ab068b85a
Diffstat (limited to 'lib/sqlalchemy/sql/annotation.py')
-rw-r--r-- | lib/sqlalchemy/sql/annotation.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/annotation.py b/lib/sqlalchemy/sql/annotation.py index 9853cef2a..447bbe667 100644 --- a/lib/sqlalchemy/sql/annotation.py +++ b/lib/sqlalchemy/sql/annotation.py @@ -247,6 +247,7 @@ def _deep_annotate(element, annotations, exclude=None): if element is not None: element = clone(element) + clone = None # remove gc cycles return element @@ -271,6 +272,7 @@ def _deep_deannotate(element, values=None): if element is not None: element = clone(element) + clone = None # remove gc cycles return element |