Thanks again Michael. The syntax was just made up pseudo code. I was in a
hurry to respond.
Anyway, this worked and here's a snippet of what it looks like:
sharedFilterQuery = '''WITH RECURSIVE
q AS
(
SELECT h.*
FROM "Selection"."FilterFolder" h
join "Selection"."Filter" f
on f."filterFolderId" = h.id
WHERE f.id = :filterId
UNION
SELECT hp.*
FROM q
JOIN "Selection"."FilterFolder" hp
ON hp.id = q."parentFolderId"
)
SELECT f.id
FROM "Selection"."Filter" f
where f.id = :filterId and
(f."createdByUserId" = 1 or
exists(select 1 from q where "isShared" = TRUE LIMIT 1))
'''
inClause =
text(sharedFilterQuery,bindparams=[bindparam('filterId',filterId)])
f = session.query(Filter).filter(Filter.description == None)\
.filter(Filter.id.in_(inClause)).first()
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