SET search_path to "ch benchmarks";

-- Query 21
-- DATA SET DOES NOT COVER THIS QUERY
SELECT
    su_name,
    count(*) AS numwait
FROM
    supplier,
    order_line l1,
    oorder,
    stock,
    nation
WHERE ol_o_id = o_id
  AND ol_w_id = o_w_id
  AND ol_d_id = o_d_id
  AND ol_w_id = s_w_id
  AND ol_i_id = s_i_id
  AND mod((s_w_id * s_i_id),10000) = su_suppkey
  AND l1.ol_delivery_d > o_entry_d
  AND NOT exists (SELECT *
                  FROM order_line l2
                  WHERE  l2.ol_o_id = l1.ol_o_id
                    AND l2.ol_w_id = l1.ol_w_id
                    AND l2.ol_d_id = l1.ol_d_id
                    AND l2.ol_delivery_d > l1.ol_delivery_d)
  AND su_nationkey = n_nationkey
  AND n_name = 'Germany'
GROUP BY su_name
ORDER BY
    numwait desc,
    su_name;

-- Query 22
-- DATA SET DOES NOT COVER THIS QUERY
SELECT
    substr(c_state,1,1) AS country,
    count(*) AS numcust,
    sum(c_balance) AS totacctbal
FROM customer
WHERE substr(c_phone,1,1) in ('1','2','3','4','5','6','7')
  AND c_balance > (SELECT avg(c_BALANCE)
                   FROM customer
                   WHERE  c_balance > 0.00
                     AND substr(c_phone,1,1) in ('1','2','3','4','5','6','7'))
  AND NOT exists (SELECT *
                  FROM oorder
                  WHERE o_c_id = c_id
                    AND o_w_id = c_w_id
                    AND o_d_id = c_d_id)
GROUP BY substr(c_state,1,1)
ORDER BY substr(c_state,1,1);