Hi,
I have a lookup/reference table which associate several fixed names to
unique ids (like an enum type).
Those ids are used elsewhere as foreign keys.
It would be nice to somehow state that relationship, then in my python code
create a column in the child table, put in there a value which will
Setting an object value from a string is straightforward, this is done
using association proxy:
https://docs.sqlalchemy.org/en/latest/orm/extensions/associationproxy.html
Getting this object value from an existing set of objects in the
database is not as easy, because this requires a database
