ORM: Crash on update with fields.function() and store=True)

[Xavier ALT]

After adding a functional field with store=True, and launching server in update mode (-u MODULE), it crash with the following traceback:

[Sun Jan 18 2009 21:44:58] WARNING:init:<class 'osv.fields.function'> type not supported!
Traceback (most recent call last):
  File "./openerp-server.py", line 106, in <module>
    pooler.get_db_and_pool(db, update_module=tools.config['init'] or tools.config['update'])
  File "/home/dex/w/oerp/dex4/server/bin/pooler.py", line 40, in get_db_and_pool
    addons.load_modules(db, force_demo, status, update_module)
  File "/home/dex/w/oerp/dex4/server/bin/addons/__init__.py", line 665, in load_modules
    load_module_graph(cr, graph, status, report=report)
  File "/home/dex/w/oerp/dex4/server/bin/addons/__init__.py", line 557, in load_module_graph
    init_module_objects(cr, m, modules)
  File "/home/dex/w/oerp/dex4/server/bin/addons/__init__.py", line 313, in init_module_objects
    result = obj._auto_init(cr, {'module': module_name})
  File "/home/dex/w/oerp/dex4/server/bin/osv/orm.py", line 1500, in _auto_init
    cr.execute('ALTER TABLE "%s" ADD COLUMN "%s" %s' % (self._table, k, get_pg_type(f)[1]))
TypeError: 'NoneType' object is unsubscriptable

Here is the code i used to reproduce the problem:
<code>
class res_partner_function_index_code(osv.osv):

        def _get_oops(self, cr, uid, ids, field_name, arg, context):
                return dict([(id, "Ooops") for id in ids])

        _inherit = 'res.partner.function'
        _columns = {
                'code': fields.char('Code', size=8, select=True),
                'oops': fields.function(_get_oops, type='char', size=64, method=True, store=True),
        }
res_partner_function_index_code()
</code>

Versions:
openobject-server: 1602

[Xavier ALT (dex-phx)]

Here is a patch!

[Stephane Wirtel (OpenERP) (stephane-openerp)]

Thank you for your patch, it has been merged into the trunk.