Hi there,
In SA 0.4.6 I get the following failure when attempting to merge an object that contains a ComparableProperty: > .... > prop.merge(self, instance, merged, dont_load, _recursive) > TypeError: merge() takes exactly 4 arguments (6 given) Is this something I am doing wrong or a bug? ta, Martin --------------- import sqlalchemy from sqlalchemy import Column, Table, types from sqlalchemy.orm import relation, comparable_property from sqlalchemy.orm.interfaces import PropComparator engine = sqlalchemy.create_engine('sqlite:///', echo=False) metadata = sqlalchemy.MetaData() metadata.bind = engine Session = sqlalchemy.orm.scoped_session(sqlalchemy.orm.sessionmaker(autoflush=True, transactional=True, bind=engine)) mapper = Session.mapper class PolymorphicProperty(object): class Comparator(PropComparator): def __eq__(self, other): return self._value == other._value def __init__(self, key=None, value=None): self.key = key self.value = value def _getValue(self): return self._value def _setValue(self, value): setattr(self, '_value', value) value = property(_getValue, _setValue) def __str__(self): return '<%s:%s %s=%s>' % (self.__class__.__name__, self.id, self.key, self.value) table = Table('polymorphicProperties', metadata, Column('id', types.Integer, primary_key=True), Column('key', types.String(20), nullable=False, default='keyword'), Column('_value', types.Text, default=None), ) mapper(PolymorphicProperty, table, properties={ 'value': comparable_property(PolymorphicProperty.Comparator, PolymorphicProperty.value), } ) metadata.create_all(engine) sess = Session() sess.begin() prop = PolymorphicProperty(key='name', value='Bob') sess.commit() print prop sess.expunge(prop) Session.remove() sess = Session() # This Fails sess.merge(prop) Session.remove() --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---