sql - Rewrite correlated scalar subquery in SELECT statement -
i having problem correlated scalar subquery in prestodb.
select t.transaction_id, t.site_id, t.unit_id, t.quantity, t.reference_quantity, (select uf.factor unit_factor uf uf.unit_id = t.unit_id , uf.term_start <= t.term_start , uf.impact_id null , uf.site_id null , uf.target_class_id null , uf.position_id null , uf.factor not null order uf.unit_id , uf.term_start desc , uf.impact_id , uf.site_id , uf.target_class_id , uf.position_id limit 1) t transaction t;
is there way rewrite query prestodb can execute it?
thanks.
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