BEGIN; BEGIN EXPLAIN select sum(l_extendedprice * l_discount) as revenue from lineitem where l_shipdate >= date '1993-01-01' and l_shipdate < cast(date '1993-01-01' + interval '1 year' as date) and l_discount between 0.03 - 0.01 and 0.03 + 0.01 and l_quantity < 24; QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------------- Aggregate (cost=1468013.45..1468013.46 rows=1 width=8) -> Bitmap Heap Scan on lineitem (cost=191884.33..1464154.59 rows=771772 width=8) Recheck Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date)) Filter: ((l_discount >= 0.02::double precision) AND (l_discount <= 0.04::double precision) AND (l_quantity < 24::double precision)) -> Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx (cost=0.00..191691.39 rows=9146456 width=0) Index Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date)) (6 rows) COMMIT; COMMIT