On Nov 12, 2012, at 5:33 PM, Torsten Landschoff wrote:
>
> BTW, I found one offender that breaks running database upgrades with my
> locking schemes:
>
> from sqlalchemy import *
> from sqlalchemy.pool import *
>
> engine = create_engine("sqlite:////home/torsten/some.db",
> poolclass=AssertionPool)
> conn = engine.connect()
> metadata = MetaData(conn, reflect=True)
>
> This results in the following backtrace here:
>
> raise AssertionError("connection is already checked out" + suffix)
> AssertionError: connection is already checked out at:
> File "demo.py", line 5, in <module>
> conn = engine.connect()
>
> I would have expected it to reflect using the connection passed to the
> MetaData constructor.
if so then that's a bug, added http://www.sqlalchemy.org/trac/ticket/2604 to
take a look at that.
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