EXPLAIN select sum(l_extendedprice* (1 - l_discount)) as revenue from lineitem, part where ( p_partkey = l_partkey and p_brand = 'Brand#14' and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG') and l_quantity >= 1 and l_quantity <= 1+10 and p_size between 1 and 5 and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER IN PERSON' ) or ( p_partkey = l_partkey and p_brand = 'Brand#21' and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK') and l_quantity >= 18 and l_quantity <= 18+10 and p_size between 1 and 10 and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER IN PERSON' ) or ( p_partkey = l_partkey and p_brand = 'Brand#34' and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG') and l_quantity >= 29 and l_quantity <= 29+10 and p_size between 1 and 15 and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER IN PERSON' ); QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Aggregate (cost=690099.36..690099.37 rows=1 width=8) -> Nested Loop (cost=0.56..690090.62 rows=1165 width=8) -> Seq Scan on part (cost=0.00..125624.58 rows=5043 width=30) Filter: ((p_size >= 1) AND (((p_brand = 'Brand#14'::bpchar) AND (p_container = ANY ('{"SM CASE","SM BOX","SM PACK","SM PKG"}'::bpchar[])) AND (p_size <= 5)) OR ((p_brand = 'Brand#21'::bpchar) AND (p_container = ANY ('{"MED BAG","MED BOX","MED PKG","MED PACK"}'::bpchar[])) AND (p_size <= 10)) OR ((p_brand = 'Brand#34'::bpchar) AND (p_container = ANY ('{"LG CASE","LG BOX","LG PACK","LG PKG"}'::bpchar[])) AND (p_size <= 15)))) -> Index Scan using i_l_partkey on lineitem (cost=0.56..111.92 rows=1 width=16) Index Cond: (l_partkey = part.p_partkey) Filter: ((l_shipmode = ANY ('{AIR,"AIR REG"}'::bpchar[])) AND (l_shipinstruct = 'DELIVER IN PERSON'::bpchar) AND (((l_quantity >= 1::double precision) AND (l_quantity <= 11::double precision)) OR ((l_quantity >= 18::double precision) AND (l_quantity <= 28::double precision)) OR ((l_quantity >= 29::double precision) AND (l_quantity <= 39::double precision))) AND (((part.p_brand = 'Brand#14'::bpchar) AND (part.p_container = ANY ('{"SM CASE","SM BOX","SM PACK","SM PKG"}'::bpchar[])) AND (l_quantity >= 1::double precision) AND (l_quantity <= 11::double precision) AND (part.p_size <= 5)) OR ((part.p_brand = 'Brand#21'::bpchar) AND (part.p_container = ANY ('{"MED BAG","MED BOX","MED PKG","MED PACK"}'::bpchar[])) AND (l_quantity >= 18::double precision) AND (l_quantity <= 28::double precision) AND (part.p_size <= 10)) OR ((part.p_brand = 'Brand#34'::bpchar) AND (part.p_container = ANY ('{"LG CASE","LG BOX","LG PACK","LG PKG"}'::bpchar[])) AND (l_quantity >= 29::double precision) AND (l_quantity <= 39::double precision) AND (part.p_size <= 15)))) (7 rows)