On Jan 16, 2009, at 6:13 PM, Tomasz Nazar wrote:
>
> Do I have control over this behaviour? Or am I doing sth wrong?
> Thanks for any help..Tomasz
you can ! its an exposed internal API but its pretty stable for
now. Build a SessionExtension like this:
from sqlalchemy.orm.interfaces import SessionExtension
class SetupDependencyExt(SessionExtension):
def before_flush(self, session, flush_context, instances):
flush_context.register_dependency(class_mapper(A),
class_mapper(B))
where "A" is the mapper that should execute first. then configure
that extension with your sessionmaker(extension=SetupDependencyExt()).
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