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Re:Recursive SQL Queries with PostgreSQL by SQLite on Monday March 16, 2020 @09:03AM (#22592290)
If you will kindly send your problem query to the SQLite developers, we will do what we can to improve the query planner to make it run faster.
Re:Recursive SQL Queries with PostgreSQL by Izkata on Monday March 16, 2020 @11:55PM (#22601493)
Posted (and reran the numbers with some unnecessary transformations removed): https://sqlite.org/forum/forumpost/e4091b433a

I may have misremembered since I did go a bit wild on this query (done while learning about recursive queries), but pulling the subquery into a CTE doesn't affect the query plan.