confirmed for pymssql committed in r1a1ef69edef7 .
On Nov 15, 2010, at 11:57 AM, Bertrand Janin wrote:
> Hello all,
>
> Here is what I have:
>
> table = Table("contract", metadata,
> ...
> Column("is_awesome", Boolean),
> ...
> )
>
> mapper(Contract, table, properties={
> ...
> "is_awesome": table.c.is_awesome,
> ...
> })
>
> When using "mssql+pymssql", if I set the ``is_awesome`` value on a
> ``Contract`` instance, I get the following:
>
> OperationalError: (OperationalError) SQL Server message 207, severity 16,
> state 1, line 1:
> Invalid column name 'False'.
> DB-Lib error message 207, severity 16: General SQL Server error:
> Check messages from the SQL Server
> 'UPDATE contract SET is_awesome=%(is_awesome)s'
> {'is_awesome': False}
>
> You can find a patch below that converts the ``bool`` to an ``int`` for
> dialects not supporting "native_boolean", this fixes the problem for me,
> but maybe I'm approaching the issue the wrong way.
>
> Thanks,
> Bertrand
>
>
> diff -r d5ab043dc08f lib/sqlalchemy/types.py
> --- a/lib/sqlalchemy/types.py Mon Nov 15 09:55:43 2010 -0500
> +++ b/lib/sqlalchemy/types.py Mon Nov 15 11:42:28 2010 -0500
> @@ -1681,6 +1681,12 @@
> self._should_create_constraint)
> )
> table.append_constraint(e)
> +
> + def bind_processor(self, dialect):
> + if dialect.supports_native_boolean:
> + return None
> + else:
> + return lambda b: int(b)
>
> def result_processor(self, dialect, coltype):
> if dialect.supports_native_boolean:
>
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