tpch-dbgen/variants/12a.sql

-- $ID$
-- TPC-H/TPC-R Shipping Modes and Order Priority Query(Q12)
-- Variant A
-- Approved February 1998
:x
:o
select
	l_shipmode,
	sum(decode(o_orderpriority, '1-URGENT', 1, '2-HIGH', 1, 0)) as
		high_line_count,
	sum(decode(o_orderpriority, '1-URGENT', 0, '2-HIGH', 0, 1)) as
		low_line_count
from
	orders,
	lineitem
where
	o_orderkey = l_orderkey
	and l_shipmode in (':1', ':2')
	and l_commitdate < l_receiptdate
	and l_shipdate < l_commitdate
	and l_receiptdate >= date ':3'
	and l_receiptdate < date ':3' + interval '1' year
group by
	l_shipmode
order by
	l_shipmode;
:n -1