Christopher Singley <ch...@singleys.com> wrote:
> I'm using declared_attr.cascading from sqlalchemy-1.0.0dev to declare a > foreign key on a subclass that also needs another separate foreign key > reference to the parent table. > To let the Mapper know which column to join for the polymorphic inheritance > relationship, I'm trying to pass an inherit_condition argument. > > Relevant code snippet can be seen here: > https://gist.github.com/anonymous/1b24768cb714fb9c7de7 this is fixed in 3a56c4f019052c5d and your example case now succeeds. > > Importing this code generates this warning: > """ > SAWarning: Implicitly combining column secinfo.id with column optinfo.id > under attribute 'id'. Please configure one or more attributes for these > same-named columns explicitly. > """ > > ...and then fails with this error: > """ > sqlalchemy.exc.ArgumentError: Mapper Mapper|OPTINFO|optinfo could not > assemble any primary key columns for mapped table 'Join object on > secinfo(23263120) and optinfo(19756496)' > """ > > How can I configure this correctly? > > -- > 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.
