diff options
| -rw-r--r-- | doc/build/changelog/changelog_09.rst | 7 | ||||
| -rw-r--r-- | examples/versioned_history/history_meta.py | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/doc/build/changelog/changelog_09.rst b/doc/build/changelog/changelog_09.rst index 992ace2ea..a043d61c3 100644 --- a/doc/build/changelog/changelog_09.rst +++ b/doc/build/changelog/changelog_09.rst @@ -15,6 +15,13 @@ :version: 0.9.2 .. change:: + :tags: bug, examples + + Added a tweak to the "history_meta" example where the check for + "history" on a relationship-bound attribute will now no longer emit + any SQL if the relationship is unloaded. + + .. change:: :tags: feature, sql Added :paramref:`.MetaData.reflect.**dialect_kwargs` diff --git a/examples/versioned_history/history_meta.py b/examples/versioned_history/history_meta.py index 8cb523434..04cb4e1aa 100644 --- a/examples/versioned_history/history_meta.py +++ b/examples/versioned_history/history_meta.py @@ -160,7 +160,8 @@ def create_version(obj, session, deleted = False): # check those too for prop in obj_mapper.iterate_properties: if isinstance(prop, RelationshipProperty) and \ - attributes.get_history(obj, prop.key).has_changes(): + attributes.get_history(obj, prop.key, + passive=attributes.PASSIVE_NO_INITIALIZE).has_changes(): for p in prop.local_columns: if p.foreign_keys: obj_changed = True |