On May 6, 2008, at 7:49 AM, Eric Lemoine wrote:
> > Hello > > Here's my thing: > > I have two DB tables, refugees and offices, which are independent > tables (no foreign key). I already have two mappers for those tables: > > mapper(Refugee, refugees_table) > mapper(Office, offices_table) > > In addition to being able to do independent queries on each table, I'd > like to do queries in both tables (UNION) and get results in objects > of type Location (a Python class of my own). In other words, I'd like > to do queries using session.query(Location). > > I've tried various things (Mapping a Class against Multiple Tables in > the doc in particular), but with no luck. > > Does anyone have suggestions? this would be concrete table inheritance: http://www.sqlalchemy.org/docs/04/mappers.html#advdatamapping_mapper_inheritance_concrete Both Refugee and Office would need to include "Location" as at least one of their base classes. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
