You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
912 B
46 lines
912 B
3 years ago
|
--begin q08
|
||
|
|
-- $ID$
|
||
|
|
-- TPC-H/TPC-R National Market Share Query (Q8)
|
||
|
|
-- Functional Query Definition
|
||
|
|
-- Approved February 1998
|
||
|
|
:x
|
||
|
|
:o
|
||
|
|
select
|
||
|
|
o_year,
|
||
|
|
sum(case
|
||
|
|
when nation = ':1' then volume
|
||
|
|
else 0
|
||
|
|
end) / sum(volume) as mkt_share
|
||
|
|
from
|
||
|
|
(
|
||
|
|
select
|
||
|
|
extract(year from o_orderdate) as o_year,
|
||
|
|
l_extendedprice * (1 - l_discount) as volume,
|
||
|
|
n2.n_name as nation
|
||
|
|
from
|
||
|
|
tpch.part,
|
||
|
|
tpch.supplier,
|
||
|
|
tpch.lineitem,
|
||
|
|
tpch.orders,
|
||
|
|
tpch.customer,
|
||
|
|
tpch.nation n1,
|
||
|
|
tpch.nation n2,
|
||
|
|
tpch.region
|
||
|
|
where
|
||
|
|
p_partkey = l_partkey
|
||
|
|
and s_suppkey = l_suppkey
|
||
|
|
and l_orderkey = o_orderkey
|
||
|
|
and o_custkey = c_custkey
|
||
|
|
and c_nationkey = n1.n_nationkey
|
||
|
|
and n1.n_regionkey = r_regionkey
|
||
|
|
and r_name = ':2'
|
||
|
|
and s_nationkey = n2.n_nationkey
|
||
|
|
and o_orderdate between date '1995-01-01' and date '1996-12-31'
|
||
|
|
and p_type = ':3'
|
||
|
|
) as all_nations
|
||
|
|
group by
|
||
|
|
o_year
|
||
|
|
order by
|
||
|
|
o_year;
|
||
|
|
--end q08
|