When it got deployed to the dev environment, we had a Traceback that ended with: [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] File "/usr/lib/python2.6/site-packages/sqlalchemy/sql/visitors.py", line 59, in _compiler_dispatch [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] return getter(visitor)(self, **kw) [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] File "/usr/lib/python2.6/site-packages/sqlalchemy/sql/compiler.py", line 1587, in visit_string [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] return self.visit_VARCHAR(type_) [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] File "/usr/lib/python2.6/site-packages/sqlalchemy/dialects/mysql/base.py", line 1656, in visit_VARCHAR [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] self.dialect.name) [Fri Nov 04 12:50:32 2011] [error] [client 10.8.33.248] InvalidRequestError: VARCHAR requires a length on dialect mysql Setting a length on all of the String columns fixes this. I also changed the 'options' field in Permissions to be Text, because it's a JSON blob.

mass component change