On 08/17/2010 01:44 PM, fulv wrote: > This is my stack: > > - Mac OS X 10.6.4 > - freeTDS 0.82 > - unixODBC 2.3.0 > - pyodbc 2.1.7 > - z3c.saconfig 0.11 > - SQLAlchemy 0.6.3 > - Zope 2.10.11 > - Plone 3.3.5 > > I have a control panel in my application that allows to change the > connection parameters, i.e. generate a new connection string. I'm > trying to "dirty" the Session or Engine or both, so that when the > connection string changes, the session does not use the old Engine, > but will create a new one. > > This is what I do now when the connection parameters change: > > from z3c.saconfig import Session > from z3c.saconfig.interfaces import IEngineFactory > from zope.component import getUtility > > getUtility(IEngineFactory, name='').reset() > Session().expire_all() > Session().remove() > > Clearly, this is not enough, because the Session keeps using the old > Engine. Any tips would be appreciated! > > Thanks! > >
In vanilla SQLAlchemy (w/o Zope addons), you could do this: Session.remove() # NOTE: No parens after Session Session.configure(bind=<new engine object>) Also, are you sure your IEngineFactory object is returning the correct engine? The default EngineFactory class does not seem to have a public API for changing engine args. Otherwise, that should be enough. -Conor -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
