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 <[email protected]> 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
> Verifiable Example. See http://stackoverflow.com/help/mcve for a full
> description.
> ---
> 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 [email protected].
> To post to this group, send email to [email protected].
> Visit this group at https://groups.google.com/group/sqlalchemy.
> For more options, visit https://groups.google.com/d/optout.
--
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.
---
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 [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sqlalchemy.
For more options, visit https://groups.google.com/d/optout.
