RootCauseunvalidated
duplicate key value violates unique constraint "orders_pkey" — using a LEFT JOIN with WHERE o.order_id IS NULL. Tension: The `LEFT JOIN` with `WHERE o.order_id IS NULL` should filter out existing `order_id`s. Outcome: Use NOT EXISTS Instead of LEFT JOIN.
afebbbb6-d1af-49f5-9faa-e2909d695117
duplicate key value violates unique constraint "orders_pkey" — using a LEFT JOIN with WHERE o.order_id IS NULL. Tension: The LEFT JOIN with WHERE o.order_id IS NULL should filter out existing order_ids. Outcome: Use NOT EXISTS Instead of LEFT JOIN.