BEGIN; BEGIN EXPLAIN select sum(l_extendedprice * l_discount) as revenue from lineitem where l_shipdate >= date '1995-01-01' and l_shipdate < cast(date '1995-01-01' + interval '1 year' as date) and l_discount between 0.07 - 0.01 and 0.07 + 0.01 and l_quantity < 25; QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------------- Aggregate (cost=1466853.69..1466853.70 rows=1 width=8) -> Bitmap Heap Scan on lineitem (cost=191265.98..1462868.75 rows=796988 width=8) Recheck Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::date)) Filter: ((l_discount >= 0.06::double precision) AND (l_discount <= 0.08::double precision) AND (l_quantity < 25::double precision)) -> Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx (cost=0.00..191066.73 rows=9116790 width=0) Index Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::date)) (6 rows) COMMIT; COMMIT