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Diffstat (limited to 'lib/sqlalchemy/orm/dependency.py')
| -rw-r--r-- | lib/sqlalchemy/orm/dependency.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/dependency.py b/lib/sqlalchemy/orm/dependency.py index 5a329b28c..85f6b68ff 100644 --- a/lib/sqlalchemy/orm/dependency.py +++ b/lib/sqlalchemy/orm/dependency.py @@ -229,6 +229,11 @@ class DependencyProcessor(object): if not isdelete or self.passive_deletes: passive = attributes.PASSIVE_NO_INITIALIZE elif self.direction is MANYTOONE: + # here, we were hoping to optimize having to fetch many-to-one + # for history and ignore it, if there's no further cascades + # to take place. however there are too many less common conditions + # that still take place and tests in test_relationships / + # test_cascade etc. will still fail. passive = attributes.PASSIVE_NO_FETCH_RELATED else: passive = attributes.PASSIVE_OFF |