seems like you might need an as_scalar() on the select object.
otherwise send an example.
On Dec 15, 2007, at 10:06 AM, svilen wrote:
>
> seems something about .type vs .type_ or similar:
>
> Traceback (most recent call last):
> File "tests/convertertest.py", line 152, in
> test4_balance_trans_via_prev_balance_date_subselect
> trans.c.date > func.coalesce( sprev,0 )
> File "sqlalchemy/sql/expression.py", line 777, in __call__
> return func(*c, **o)
> File "sqlalchemy/sql/functions.py", line 12, in __call__
> return type.__call__(self, *args, **kwargs)
> File "sqlalchemy/sql/functions.py", line 35, in __init__
> kwargs.setdefault('type_', _type_from_args(args))
> File "sqlalchemy/sql/functions.py", line 75, in _type_from_args
> if not isinstance(a.type, sqltypes.NullType):
> AttributeError: 'Select' object has no attribute 'type'
>
>
> >
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