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fe8210b Dec 5, 2011
39 lines (34 sloc) 1.63 KB
DROP TABLE lineitem;
DROP TABLE part;
DROP TABLE q17_small_quantity_order_revenue;
DROP TABLE lineitem_tmp;
-- create the tables and load the data
create external table lineitem (L_ORDERKEY INT, L_PARTKEY INT, L_SUPPKEY INT, L_LINENUMBER INT, L_QUANTITY DOUBLE, L_EXTENDEDPRICE DOUBLE, L_DISCOUNT DOUBLE, L_TAX DOUBLE, L_RETURNFLAG STRING, L_LINESTATUS STRING, L_SHIPDATE STRING, L_COMMITDATE STRING, L_RECEIPTDATE STRING, L_SHIPINSTRUCT STRING, L_SHIPMODE STRING, L_COMMENT STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY '|' STORED AS TEXTFILE LOCATION '/tpch/lineitem';
create external table part (P_PARTKEY INT, P_NAME STRING, P_MFGR STRING, P_BRAND STRING, P_TYPE STRING, P_SIZE INT, P_CONTAINER STRING, P_RETAILPRICE DOUBLE, P_COMMENT STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY '|' STORED AS TEXTFILE LOCATION '/tpch/part';
-- create the result table
create table q17_small_quantity_order_revenue (avg_yearly double);
create table lineitem_tmp (t_partkey int, t_avg_quantity double);
-- the query
insert overwrite table lineitem_tmp
select
l_partkey as t_partkey, 0.2 * avg(l_quantity) as t_avg_quantity
from
lineitem
group by l_partkey;
insert overwrite table q17_small_quantity_order_revenue
select
sum(l_extendedprice) / 7.0 as avg_yearly
from
(select l_quantity, l_extendedprice, t_avg_quantity from
lineitem_tmp t join
(select
l_quantity, l_partkey, l_extendedprice
from
part p join lineitem l
on
p.p_partkey = l.l_partkey
and p.p_brand = 'Brand#23'
and p.p_container = 'MED BOX'
) l1 on l1.l_partkey = t.t_partkey
) a
where l_quantity < t_avg_quantity;