the mapping and class, assuming the Order.Line / Warehouse.Line thing,
would use:
class Order(object):
# ....
lines = association_proxy("line_objects", "qty")
class Line(object):
# ...
mapper(Order, ... properties={
"line_objects": relationship(Order.Line,
collection_class=attribute_mapped_collection("sku"))
})
On Fri, Feb 15, 2019 at 10:44 AM Harry <harry.perci...@gmail.com> wrote:
>
> thanks Mike! I really appreciate your help.
>
> Can you give me any more pointers on using the relationship and assocation
> proxy? I can't figure out how to do it without using some sort of
> intermediary class...
>
> --
> SQLAlchemy -
> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
>
> To post example code, please provide an MCVE: Minimal, Complete, and
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--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
Example. See http://stackoverflow.com/help/mcve for a full description.
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