Hi all,
The change to proxy.py made on the 11th (revision 943) seems to have
broken the ProxyTableImpl and ProxyColumnImpl objects... I get a
stack overflow as follows:
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
mapping/__init__.py", line 49, in mapper
return Mapper(class_, table, *args, **params)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
mapping/mapper.py", line 175, in __init__
prop.init(key, self)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
mapping/mapper.py", line 770, in init
self.do_init(key, parent)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
mapping/properties.py", line 170, in do_init
self.secondaryjoin = sql.join(self.target, self.secondary).onclause
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
sql.py", line 41, in join
return Join(left, right, onclause, **kwargs)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
sql.py", line 836, in __init__
self.onclause = self._match_primaries(left, right)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
sql.py", line 853, in _match_primaries
if fk.references(primary):
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
schema.py", line 369, in references
return table._get_col_by_original(self.column) is not None
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
sql.py", line 572, in _get_col_by_original
return self.original_columns.get(column.original, None)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/
sql.py", line 1080, in _orig_columns
return self._orig_cols
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 123, in __getattr__
return getattr(self._get_impl(), key)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 115, in _get_impl
e = self.engine
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 123, in __getattr__
return getattr(self._get_impl(), key)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 115, in _get_impl
e = self.engine
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 123, in __getattr__
return getattr(self._get_impl(), key)
File "/site-packages/SQLAlchemy-0.91alpha-py2.4.egg/sqlalchemy/ext/
proxy.py", line 115, in _get_impl
e = self.engine
I think the correct fix is to change the first line of each _get_impl
() method from
e = self.engine
to
e = self._engine.engine
so that it doesn't go back via __getattr__ again.
Doing that fixes it on my system.
Kind regards,
Alastair.
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