text: set enable_global_stats = true;
  set current_schema=vector_engine;
  set enable_vector_engine=on;
  set enable_nestloop=off;
  explain (costs off) select
  	sum(l_extendedprice * l_discount) as revenue
  from
  	lineitem
  where
  	l_shipdate >= '1994-01-01'::date 
  	and l_shipdate < '1994-01-01'::date + interval '1 year'
  	and l_discount >= 0.06 - 0.01
      and l_discount <= 0.06 + 0.01
  	and l_quantity < 24;
  
  select
  	sum(l_extendedprice * l_discount) as revenue
  from
  	lineitem
  where
  	l_shipdate >= '1994-01-01'::date 
  	and l_shipdate < '1994-01-01'::date + interval '1 year'
  	and l_discount >= 0.06 - 0.01
      and l_discount <= 0.06 + 0.01
  	and l_quantity < 24;
  