-- Q19: Discounted Revenue
-- Operators: 2-table Join -> Complex OR/AND Filter -> SUM
SELECT
    SUM(l_extendedprice * (1 - l_discount)) AS revenue
FROM lineitem, part
WHERE (
    p_partkey = l_partkey
    AND p_brand = 'Brand#12'
    AND p_container IN ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG')
    AND l_quantity >= 1 AND l_quantity <= 1 + 10
    AND p_size BETWEEN 1 AND 5
    AND l_shipmode IN ('AIR', 'REG AIR')
    AND l_shipinstruct = 'DELIVER IN PERSON'
)
OR (
    p_partkey = l_partkey
    AND p_brand = 'Brand#23'
    AND p_container IN ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK')
    AND l_quantity >= 10 AND l_quantity <= 10 + 10
    AND p_size BETWEEN 1 AND 10
    AND l_shipmode IN ('AIR', 'REG AIR')
    AND l_shipinstruct = 'DELIVER IN PERSON'
)
OR (
    p_partkey = l_partkey
    AND p_brand = 'Brand#34'
    AND p_container IN ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG')
    AND l_quantity >= 20 AND l_quantity <= 20 + 10
    AND p_size BETWEEN 1 AND 15
    AND l_shipmode IN ('AIR', 'REG AIR')
    AND l_shipinstruct = 'DELIVER IN PERSON'
)
