This is a simplified example of my issue. I wrote a detailed example, but
it might be too confusing.
There are three classes:
Entity
"""only has one of user_id or username"""
id
user_id
username
profile = relationship( EntityProfile based on user_id )
EntityAlias
"""relates Entity2Entity"""
id
entity_user_id
entity_username
profile = associationproxy( EntityProfile based on the .profile of
the entity_user_id )
EntityProfile
id
payload
The issue that I've encountered, is that EntityAlias is inherently a
Many-to-Many table -- but I only want the most recent record when computing
the join. So i need to somehow sort the EntityAlias table on the join, so
that I only have the most recent item when calling Entity.profile
Apologies if this is in the docs somewhere -- I can't find it. I've been
looking at the associationproxies and advanced mapper cases all day, and
everything looks the same now.
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