Although it's necessary to consider that continues being necessary a custom type to add a new argument (in this case is 'cost'). And I prefer a custom type before that a subclass of Column for this one.
Now well, to get the another argument which is at instance-level surely will be better make it thorught a descriptor, as you said. On 22 dic, 09:37, Kless <jonas....@googlemail.com> wrote: > Thank you. Your aid is incalculable as always. > I'll use a descriptor for this case as you well advise. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---