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testcases
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Q1: relations: lineitem
T(lineitem) =6001215
v(lineitem, l_returnflag) =3
v(lineitem,l_discount) = 11
v(lineitem, l_shipmode) = 7
CNF: (l_returnflag = 'R')
AND ((l_discount < 0.04) OR (l_shipmode = 'MAIL'))
Answer: 8.5732e+5
Q2:
Relation: supplier, partsupp
T(supplier) = 10000, (partsupp) = 800000
v(supplier, s_suppkey) = 10000, v(partsupp, ps_suppkey)= 10000,
CNF: (s_suppkey = ps_suppkey)
Answer: 800000
Q3: Relation: orders, customer, nation
T(customer) = 150000, T(nation) = 25, T(orders)＝1500000
v(customer, c_custkey) = 1500000, v(orders,o_custkey) = 150000,
v(customer, c_nationkey) = 25, v(nation, n_nationkey)=25,
CNF: (c_custkey = o_custkey)
AND (c_nationkey = n_nationkey)
Answer:1500000
Q4: relation: part, supplier, partsupp, nation, region
T(part) = 200000, T(supplier) = 10000, T(partsupp) = 800000, T(nation) = 25, T(region) = 5
v(part, p_partkey) = 200000, v(partsupp, ps_partkey) = 200000
v(supplier, s_suppkey) = 10000, v(partsupp, ps_suppkey= 10000
v(part,p_size) = 50
v(supplier, s_nationkey) = 25, v(nation, n_nationkey)=25,
v(nation, n_regionkey) = 5, v(region, r_regionkey) =5,
v(region, r_name) = 5
CNF: (p_partkey=ps_partkey)
AND (s_suppkey = ps_suppkey)
AND (p_size = 2)
AND (s_nationkey = n_nationkey)
AND(n_regionkey = r_regionkey)
AND (r_name = 'AMERICA')
Answer: 3200
Q5: relations: supplier, customer,nation
T(supplier) = 10000, T(customer) = 150000, T(nation) = 25
v(nation, n_nationkey) =25
v(supplier,s_nationkey) = 25
v(customer, c_nationkey) = 25
CNF: (s.s_nationkey = n1.n_nationkey) AND (c.c_nationkey = n2.n_nationkey) AND (n1.n_nationkey = n2.n_nationkey)
Answer: 60000000
Q6: relation: customer,orders,lineitem
T(orders) = 1500000, T(customer) = 150000, T(lineitem) = 6001215,
v(customer, c_mktsegment) = 5
v(customer, c_custkey) = 150000, v(orders, o_custkey) = 99996,
v(lineitem, l_orderkey)= 1500000, v(orders,o_orderkey) = 1500000
CNF: (c_mktsegment = 'BUILDING')
AND (c_custkey = o_custkey)
AND (l_orderkey = o_orderkey)
AND o_orderdate < date '1995-03-1'
Answer: 40081
Q7: relation: partsupp, supplier, nation
T(partsupp) = 800000, T(supplier) = 10000, T(nation) = 25,
v(supplier, s_suppkey) = 10000, v(partsupp, ps_suppkey)= 10000,
v(supplier, s_nationkey) = 25, v(nation, n_nationkey)=25,
v(nation,n_name ) =25
CNF: (s_suppkey = ps_suppkey)
AND (s_nationkey = n_nationkey)
AND (n_name = 'AMERICA')
Answer:32000
Q8：Relation: orders, lineitem
T(orders) = 1500000, T(lineitem) = 6001215,
v(lineitem, l_orderkey)= 1500000, v(orders,o_orderkey) = 1500000
CNF: (l_receiptdate >'1995-02-01' ) AND (l_orderkey = o_orderkey)
Answer: 2000405
Q9: Relation:partsupp, part
T(part) = 200000, T(partsupp) = 800000
v(part, p_partkey) = 200000, v(partsupp, ps_partkey) = 200000
v(part,p_size) = 50
CNF: (p_partkey=ps_partkey) AND ((p_size =3) OR (p_size=6) OR (p_size =19))
Answer: 48000
Q10: Relation: part, supplier, partsupp
T(part) = 200000, T(supplier) = 10000, T(partsupp) = 800000
v(part, p_partkey) = 200000, v(partsupp, ps_partkey) = 200000,
v(supplier, s_suppkey) = 10000, v(partsupp, ps_suppkey= 10000,
v(part,p_name) = 199996,
CNF: (p_partkey=ps_partkey)
AND (s_suppkey = ps_suppkey)
AND (p_name = 'dark green antique puff wheat
')
Answer:4
Q11:
relation: customer, orders, lineitem, nation
T(customer) = 150000, T(nation) = 25, T(lineitem) = 6001215, T(orders)＝1500000
v(customer, o_custkey) = 1500000, v(orders,o_custkey) = 150000,
v(customer, c_nationkey) = 25, v(nation, n_nationkey)=25,
v(lineitem, l_orderkey) =1500000, v(orders,o_orderkey) = 1500000
v(lineitem, l_returnflag) =3
CNF: (c_custkey = o_custkey)
AND (o_orderdate > '1994-01-23')
AND (l_orderkey = o_orderkey)
AND (c_nationkey = n_nationkey)
Answer: 2000405
Q12:
Relation: part,lineitem
T(lineitem) = 6001215, T(part)＝200000
v(part, p_partkey) = 200000, v(lineitem, l_partkey) = 200000,
v(part,p_container) = 40,
v(lineitem, l_shipinstruct) = 4
v(lineitem, l_shipmode) =7
CNF: (l_orderkey = o_orderkey)
AND (l_shipmode = 'AIR' OR l_shipmode = 'AIR REG')
AND (p_container ='SM BOX' OR p_container = 'SM PACK')
AND (l_shipinstruct = 'DELIVER IN PERSON')
Answer : 150040