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a783f82470
this causes sqlite and tursodb to interpret the value as just 'yyyy', e.g. '1995-01-01' becomes '1995', causing a lot of the queries not to return any results, which is not what we want.
39 lines
817 B
SQL
39 lines
817 B
SQL
select
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o_year,
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sum(cast(case
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when nation = 'INDIA' then volume
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else 0
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end as number)) / sum(volume) as mkt_share
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from
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(
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select
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substr(o_orderdate, 1, 4) as o_year, -- modified not to include date_part('year', o_orderdate)
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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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part,
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supplier,
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lineitem,
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orders,
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customer,
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nation n1,
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nation n2,
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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 = 'ASIA'
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and s_nationkey = n2.n_nationkey
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and o_orderdate between
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'1995-01-01' and '1996-12-31'
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and p_type = 'PROMO BRUSHED COPPER'
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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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