On Jan 30, 2009, at 12:19 PM, King Simon-NFHD78 wrote:
> > Would None (ie. SQL NULL) be a valid polymorphic identity? it becomes that issue where we just need some kind of constant to represent THIS_IS_NOT_DEFINED, so that we know when polymorphic_identity is defined or not. it's a straightforward patch. Although we'd also need to adapt some expressions such as identity IN (x, y, z) to account for NULL, so, supporting NULL is a little more work. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
