Christoph Zwerschke wrote:
> I think I just found a regression in 0.6.
>
> When evaluating the following SQL expression
>
> sum(2*(func.length('bla'),))
>
> with SQLAlchemy 0.6beta3 I get a
> RuntimeError: maximum recursion depth exceeded
>
> With SQLAlchemy 0.5 this used to work,
> except that it was translated to
>
> 0 + length('bla') + length('bla')
>
> instead of simply
>
> length('bla') + length('bla')
thanks for spotting that, its fixed in r50667f4ead3f / default tip.
the "0 +" seems to be some artifact of how sum() works:
>>> "asdf" + "asdf"
'asdfasdf'
>>> sum(["asdf", "asdf"])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unsupported operand type(s) for +: 'int' and 'str'
>
> -- Christoph
>
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