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:x |
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:o |
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select |
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nation, |
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o_year, |
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sum(amount) as sum_profit |
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from |
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( |
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select |
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n_name as nation, |
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extract(year from o_orderdate) as o_year, |
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l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity as amount |
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from |
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part, |
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supplier, |
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lineitem, |
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partsupp, |
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orders, |
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nation |
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where |
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s_suppkey = l_suppkey |
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and ps_suppkey = l_suppkey |
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and ps_partkey = l_partkey |
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and p_partkey = l_partkey |
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and o_orderkey = l_orderkey |
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and s_nationkey = n_nationkey |
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and p_name like '%:1%' |
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) as profit |
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group by |
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nation, |
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o_year |
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order by |
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nation, |
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o_year desc; |
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:n -1 |
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