Hi, > That is not really a normal tree structure because a "person-object" > may not only have many "descendants" but also has more than one > ancester ("mother" and "father"). > Is there a way to build a mapper that can map these relationships?
You might want to have a look at "Adjacency List Relationships": http://www.sqlalchemy.org/docs/04/mappers.html#advdatamapping_relation_selfreferential Regards, -- Alexandre CONRAD --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---