BEGIN; BEGIN EXPLAIN select l_orderkey, sum(l_extendedprice * (1 - l_discount)) as revenue, o_orderdate, o_shippriority from customer, orders, lineitem where c_mktsegment = 'FURNITURE' and c_custkey = o_custkey and l_orderkey = o_orderkey and o_orderdate < date '1995-03-19' and l_shipdate > date '1995-03-19' group by l_orderkey, o_orderdate, o_shippriority order by revenue desc, o_orderdate LIMIT 10; QUERY PLAN ---------------------------------------------------------------------------------------------------------------------------------------------------- Limit (cost=2530167.70..2530167.72 rows=10 width=20) -> Sort (cost=2530167.70..2537988.82 rows=3128449 width=20) Sort Key: (sum((lineitem.l_extendedprice * (1::double precision - lineitem.l_discount)))), orders.o_orderdate -> HashAggregate (cost=2431278.55..2462563.04 rows=3128449 width=20) Group Key: lineitem.l_orderkey, orders.o_orderdate, orders.o_shippriority -> Hash Join (cost=762032.32..2384351.81 rows=3128449 width=20) Hash Cond: (lineitem.l_orderkey = orders.o_orderkey) -> Bitmap Heap Scan on lineitem (cost=250323.73..1720305.97 rows=32280739 width=12) Recheck Cond: (l_shipdate > '1995-03-19'::date) -> Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx (cost=0.00..242253.54 rows=32280739 width=0) Index Cond: (l_shipdate > '1995-03-19'::date) -> Hash (cost=493519.10..493519.10 rows=1455159 width=12) -> Hash Join (cost=106434.28..493519.10 rows=1455159 width=12) Hash Cond: (orders.o_custkey = customer.c_custkey) -> Bitmap Heap Scan on orders (cost=56799.20..401868.30 rows=7323768 width=16) Recheck Cond: (o_orderdate < '1995-03-19'::date) -> Bitmap Index Scan on orders_o_orderkey_o_orderdate_brin_idx (cost=0.00..54968.26 rows=7323768 width=0) Index Cond: (o_orderdate < '1995-03-19'::date) -> Hash (cost=45909.64..45909.64 rows=298035 width=4) -> Bitmap Heap Scan on customer (cost=6906.20..45909.64 rows=298035 width=4) Recheck Cond: (c_mktsegment = 'FURNITURE'::bpchar) -> Bitmap Index Scan on customer_c_mktsegment_c_custkey_idx (cost=0.00..6831.69 rows=298035 width=0) Index Cond: (c_mktsegment = 'FURNITURE'::bpchar) Planning time: 2.649 ms (24 rows) COMMIT; COMMIT