On Jun 7, 2007, at 6:36 PM, Daniele Varrazzo wrote:
> a polymorphic fetch "ses.query(Employee).select()" correctly returns > objects of all the classes, and the query "ses.query(Boss).select()" > works fine as well. But while i expected "ses.query(Manager).select()" > to fetch bosses too, an exception with the following error message is > raised:: > > InvalidRequestError: Given column 'boss.person_id', attached to > table 'boss', > failed to locate a corresponding column from table 'Join object on > employees managers' when was that raised...when defining mappers ? this is all very hard to follow without an attachment of the full code. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
