Traceback from informixdb + sqlalchemy

gistfile1.txt

Traceback (most recent call last):
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid_debugtoolbar-0.9.9.1-py2.7.egg/pyramid_debugtoolbar/panels/performance.py", line 55, in resource_timer_handler
    result = handler(request)
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid-1.3b2-py2.7.egg/pyramid/tweens.py", line 20, in excview_tween
    response = handler(request)
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid_tm-0.3-py2.7.egg/pyramid_tm/__init__.py", line 61, in tm_tween
    response = handler(request)
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid-1.3b2-py2.7.egg/pyramid/router.py", line 164, in handle_request
    response = view_callable(context, request)
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid-1.3b2-py2.7.egg/pyramid/config/views.py", line 331, in rendered_view
    result = view(context, request)
  File "/home/luke/virts/pyramid1.3b2/lib/python2.7/site-packages/pyramid-1.3b2-py2.7.egg/pyramid/config/views.py", line 462, in _requestonly_view
    response = view(request)
  File "/home/luke/pyramids/intranet/intranet/views.py", line 34, in view_customer
    cust_slcustm = DBSessionRO.query(Slcustm).filter(Slcustm.customer == customer_no).first()
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/query.py", line 2024, in first
    ret = list(self[0:1])
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/query.py", line 1918, in __getitem__
    return list(res)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/query.py", line 2093, in __iter__
    return self._execute_and_instances(context)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/query.py", line 2106, in _execute_and_instances
    close_with_result=True)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/query.py", line 2097, in _connection_from_session
    **kw)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/session.py", line 729, in connection
    close_with_result=close_with_result)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/session.py", line 733, in _connection_for_bind
    return self.transaction._connection_for_bind(engine)
  File "build/bdist.linux-i686/egg/sqlalchemy/orm/session.py", line 266, in _connection_for_bind
    conn = bind.contextual_connect()
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/base.py", line 2340, in contextual_connect
    self.pool.connect(),
  File "build/bdist.linux-i686/egg/sqlalchemy/pool.py", line 210, in connect
    return _ConnectionFairy(self).checkout()
  File "build/bdist.linux-i686/egg/sqlalchemy/pool.py", line 371, in __init__
    rec = self._connection_record = pool._do_get()
  File "build/bdist.linux-i686/egg/sqlalchemy/pool.py", line 697, in _do_get
    con = self._create_connection()
  File "build/bdist.linux-i686/egg/sqlalchemy/pool.py", line 174, in _create_connection
    return _ConnectionRecord(self)
  File "build/bdist.linux-i686/egg/sqlalchemy/pool.py", line 259, in __init__
    pool.dispatch.first_connect.exec_once(self.connection, self)
  File "build/bdist.linux-i686/egg/sqlalchemy/event.py", line 265, in exec_once
    self(*args, **kw)
  File "build/bdist.linux-i686/egg/sqlalchemy/event.py", line 274, in __call__
    fn(*args, **kw)
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/strategies.py", line 166, in first_connect
    dialect.initialize(c)
  File "build/bdist.linux-i686/egg/sqlalchemy/dialects/informix/base.py", line 357, in initialize
    super(InformixDialect, self).initialize(connection)
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/default.py", line 175, in initialize
    self._get_default_schema_name(connection)
  File "build/bdist.linux-i686/egg/sqlalchemy/dialects/informix/base.py", line 593, in _get_default_schema_name
    return connection.execute('select CURRENT_ROLE from systables').scalar()
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/base.py", line 1405, in execute
    params)
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/base.py", line 1582, in _execute_text
    statement, parameters
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/base.py", line 1646, in _execute_context
    context)
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/base.py", line 1639, in _execute_context
    context)
  File "build/bdist.linux-i686/egg/sqlalchemy/engine/default.py", line 330, in do_execute
    cursor.execute(statement, parameters)
DatabaseError: (DatabaseError) SQLCODE -217 in PREPARE: 
IX000: Column (current_role) not found in any table in the query (or SLV is undefined).
 'select CURRENT_ROLE from systables' ()