QUERY PLAN
Sort (cost=1.15..1.15 rows=1 width=254)
Sort Key: serial_no DESC
-> Seq Scan on tbl_erp_purchase_returns (cost=0.00..1.14 rows=1 width=254)
Filter: ((created_at >= '2026-06-23 00:00:00+08'::timestamp with time zone) AND (created_at <= '2026-06-23 23:59:59+08'::timestamp with time zone) AND ((serial_no)::text ~~ '%CGTH-20260623-%'::text) AND (length((serial_no)::text) = 19))