[{"name":"current_pricing","sql":"SELECT * FROM pricing_master WHERE customer_id=? AND item_code=?"},{"name":"bid_line","if":"bid_id","sql":"SELECT * FROM bid_lines WHERE bid_id=? AND item_code=?"},{"name":"vendor_cost","sql":"SELECT unit_cost, effective_from FROM vendor_costs WHERE item_code=? ORDER BY effective_from DESC LIMIT 1"}]