On Apr 23, 2007, at 1:23 PM, Andreas Jung wrote:
> I have a view arbeitsmittelhierarchy_arbeitsmittle_view which is > defined > as a left join of two tables. Trying to generate a mapper from the > autoload view as Table() fails: > > File "build/bdist.linux-i686/egg/sqlalchemy/orm/session.py", line > 277, in query > File "build/bdist.linux-i686/egg/sqlalchemy/orm/mapper.py", line > 1838, in class_mapper > File "build/bdist.linux-i686/egg/sqlalchemy/orm/mapper.py", line > 321, in compile > File "build/bdist.linux-i686/egg/sqlalchemy/orm/mapper.py", line > 336, in _compile_all > File "build/bdist.linux-i686/egg/sqlalchemy/orm/mapper.py", line > 363, in _do_compile > File "build/bdist.linux-i686/egg/sqlalchemy/orm/mapper.py", line > 518, in _compile_tables > sqlalchemy.exceptions.ArgumentError: Could not assemble any primary > key columns for mapped table > 'arbeitsmittelhierarchy_arbeitsmittel_view' > > What is the workaround to deal with such views? Creating a > PrimaryKeyConstraint for the view? > > Andreas specify primary_key=[cols] to your mapper(). --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
