On 23 Gen, 23:43, Rick Morrison <rickmorri...@gmail.com> wrote:
> From your earlier post:
>
>
>
> > a_session.close()
> > sa_Session.close_all()
> > sa_engine.dispose()
> ....
> > del sa_engine
> > but it does not close the connection!
>
> Here's Engine.dispose (line 1152, engine/base.py)
>
> def dispose(self):
> self.pool.dispose()
> self.pool = self.pool.recreate()
>
> ..and here's QueuePool.dispose (the default pool, line 646, pool.py)
>
> def dispose(self):
> while True:
> try:
> conn = self._pool.get(False)
> conn.close()
> except Queue.Empty:
> break
>
> self._overflow = 0 - self.size()
> if self._should_log_info:
> self.log("Pool disposed. " + self.status())
>
> So the normal path would be to indeed close the connection (but not
> necessarily to delete the connection itself, it just falls out of scope).
> Can you trace into the dispose() call and verify that these are being run?
Hey, seems that you've got the problem. conn = self._pool.get( False )
is the problem....
It raises an Empty error...:
File "E:\test.py", line 175, in <module>
Data.sa_engine.dispose()
File "c:\Python25\Lib\site-packages\sqlalchemy-0.4.8-py2.5.egg
\sqlalchemy\engine\base.py", line 1133, in dispose
self.pool.dispose()
File "C:\Python25\Lib\site-packages\sqlalchemy-0.4.8-py2.5.egg
\sqlalchemy\pool.py", line 626, in dispose
conn = self._pool.get(False)
File "c:\Python25\Lib\site-packages\sqlalchemy-0.4.8-py2.5.egg
\sqlalchemy\queue.py", line 140, in get
raise Empty
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