I hadn't updated in several weeks so I am not sure when this issue
first arose but with the following setup:
----------------------------
mapper(Section, section_table, properties = {'items': relation(Item,
backref='section'), 'keywords':relation(Keyword,
primaryjoin=and_(keyword_table.c.uuid==itemkeyword_table.c.keyword_uuid,
item_table.c.uuid==itemkeyword_table.c.item_uuid,
section_table.c.id==item_table.c.section_id),
viewonly=True, foreignkey=keyword_table.c.uuid)})
mapper(Item, item_table, properties = dict(itemkeywords =
relation(ItemKeyword, lazy=False, backref='item'),
reminder = relation(Reminder, backref='item'),
children = relation(Item, remote_side=[item_table.c.parent_uuid],
backref=backref('parent', remote_side=[item_table.c.uuid])),
note = deferred(item_table.c.note),
))
mapper(Keyword, keyword_table)
mapper(ItemKeyword, itemkeyword_table, properties={'keyword':
relation(Keyword, lazy=False, backref='itemkeywords')})
----------------------------------
when I ask for:
some_section.keywords
I get the following exception:
sqlalchemy.exceptions.InvalidRequestError: No column
item_keyword.keyword_uuid is configured on mapper
Mapper|Section|section...
Prior to updating today, this worked fine and produced the expected
results. Let me know if it would help to see the tables and classes.
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