text: -- @(#)1.sql	2.1.8.1
  -- TPC-H/TPC-R Pricing Summary Report Query (Q1)
  -- Functional Query Definition
  -- Approved February 1998
  :b
  :x
  :o
  select
  	l_returnflag,
  	l_linestatus,
  	sum(l_quantity) as sum_qty,
  	sum(l_extendedprice) as sum_base_price,
  	sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,
  	sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,
  	avg(l_quantity) as avg_qty,
  	avg(l_extendedprice) as avg_price,
  	avg(l_discount) as avg_disc,
  	count(*) as count_order
  from
  	lineitem
  where
  	l_shipdate <= date '1998-12-01' - interval ':1' day
  group by
  	l_returnflag,
  	l_linestatus
  order by
  	l_returnflag,
  	l_linestatus;
  :e
  