On Tue, May 6, 2008 at 4:24 PM, Michael Bayer <[EMAIL PROTECTED]> wrote: > > > > 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.
In the "Concrete Table Inheritance" example in the doc, there's an "employee" table. In my case, there's no "location" table, and that's why I haven't seen "Concrete Table Inheritance" as my case's solution. So I'm still confused on how I'm going to achieve what I want. Thanks a lot, -- Eric --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
