github.com/matrixorigin/matrixone@v1.2.0/test/distributed/cases/benchmark/tpch/03_QUERIES/q14.sql (about)

     1  use tpch;
     2  select
     3  	100.00 * sum(case
     4  		when p_type like 'PROMO%'
     5  			then l_extendedprice * (1 - l_discount)
     6  		else 0
     7  	end) / sum(l_extendedprice * (1 - l_discount)) as promo_revenue
     8  from
     9  	lineitem,
    10  	part
    11  where
    12  	l_partkey = p_partkey
    13  	and l_shipdate >= date '1996-04-01'
    14  	and l_shipdate < date '1996-04-01' + interval '1' month;