I am trying to do a select on the results an ORM subquery.
The following query is prepared in one part the program
query = session.query(Taggable).filter (....)
Elswere I try to get the unique names associated with all previously
selected
Taggable obects.
names.select (exists ([names.c.id],
and_(names.c.id == obj_tags.c.name_id,
obj_tags.c.parent_id==Taggable.c.id ,
Taggable.c.id in query)
^^^^^^^^^^^^^
Unfortunately, I have not found the solution to the marked expression,
which I think can be expressed as a subquery.
Is this possible? Is there a way to pull the select expression out of
the ORM
query object?
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