On Apr 20, 2011, at 5:09 PM, Mahmoud Abdelkader wrote: > for model_property in object_mapper(user).iterate_properties: > if isinstance(model_property, ColumnProperty): > key = model_property.key > dictionary[key] = getattr(user, key) > elif (isinstance(model_property, RelationProperty) and > model_property.secondary): > key = model_property.key > dictionary[key] = getattr(user, key) > > print dictionary > > > You'll notice the line where it's checking for a relationship property and if > the property is actually secondary throws an exception: > > TypeError: Boolean value of this clause is not defined > > What's the correct way to do what I'm trying to do?
".secondary" points to a Table object and you'll find information about testing SQL expression constructs for boolean here: http://www.sqlalchemy.org/trac/wiki/06Migration#AnImportantExpressionLanguageGotcha > > Thanks! > Mahmoud > > -- > 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 > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. -- 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 sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
