mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-06-02 22:10:15 -04:00
Mike Bayer
32 lines
615 B
Python
32 lines
615 B
Python
from sqlalchemy.orm import attributes
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class Foo(object):pass
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attributes.register_class(Foo)
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attributes.register_attribute(Foo, 'x', uselist=False, useobject=False, mutable_scalars=True, copy_function=lambda x:x.copy())
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f = Foo()
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f._foostate.set_savepoint()
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print f._foostate.get_history('x')
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f.x = {'1':15}
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print f._foostate.get_history('x')
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f._foostate.commit_all()
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print f._foostate.get_history('x')
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f.x['2'] = 40
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print f._foostate.get_history('x')
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f._foostate.rollback()
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print f._foostate.get_history('x')
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#import pdb
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#pdb.Pdb().break_here()
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print f.x
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f.x['2'] = 40
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print f._foostate.get_history('x')
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