On May 10, 2014, at 7:13 PM, Richard Gerd Kuesters <rich...@humantech.com.br> wrote:
> hi all! > > situation: i'm mapping a select as a class, using mapper. so far so good. > > problem: some of my selected columns *are* foreign keys in their respective > tables, but i would like to say to sqla that they're foreign keys to another > mapped class, which have the pks from which those fks are pointing. > > the first question is: how? or > should be able to use relationship(), set up primaryjoin with foreign() foo = relationship("Remote", primaryjoin=myselect.c.foo == foreign(table.c.foo)) it's a little weird i guess, should work out in modern versions > the second question: is there a way to inherit properties (like fks) OR > "cheat" declaring foreign keys that doesn't exists at the database level ? > > sure, use ForeignKey() on your Column(), doesn't matter if it's not in the DB, or use in relationship foreign_keys / foreign() annotation > > my best regards, > > richard. > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.