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45 lines
912 B
45 lines
912 B
--begin q08
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-- $ID$
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-- TPC-H/TPC-R National Market Share Query (Q8)
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-- Functional Query Definition
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-- Approved February 1998
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:x
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:o
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select
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o_year,
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sum(case
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when nation = ':1' then volume
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else 0
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end) / sum(volume) as mkt_share
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from
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(
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select
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extract(year from o_orderdate) as o_year,
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l_extendedprice * (1 - l_discount) as volume,
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n2.n_name as nation
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from
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tpch.part,
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tpch.supplier,
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tpch.lineitem,
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tpch.orders,
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tpch.customer,
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tpch.nation n1,
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tpch.nation n2,
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tpch.region
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where
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p_partkey = l_partkey
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and s_suppkey = l_suppkey
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and l_orderkey = o_orderkey
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and o_custkey = c_custkey
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and c_nationkey = n1.n_nationkey
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and n1.n_regionkey = r_regionkey
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and r_name = ':2'
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and s_nationkey = n2.n_nationkey
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and o_orderdate between date '1995-01-01' and date '1996-12-31'
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and p_type = ':3'
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) as all_nations
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group by
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o_year
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order by
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o_year;
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--end q08
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