Sort: all_nations.o_year ASC NULLS LAST
  Projection: all_nations.o_year, SUM(CASE WHEN all_nations.nation = Utf8("BRAZIL") THEN all_nations.volume ELSE Int64(0) END) / SUM(all_nations.volume) AS mkt_share
    Aggregate: groupBy=[[all_nations.o_year]], aggr=[[SUM(CASE WHEN all_nations.nation = Utf8("BRAZIL") THEN all_nations.volume ELSE Decimal128(Some(0),38,4) END) AS SUM(CASE WHEN all_nations.nation = Utf8("BRAZIL") THEN all_nations.volume ELSE Int64(0) END), SUM(all_nations.volume)]]
      SubqueryAlias: all_nations
        Projection: datepart(Utf8("YEAR"), orders.o_orderdate) AS o_year, CAST(lineitem.l_extendedprice AS Decimal128(38, 4)) * CAST(Decimal128(Some(100),23,2) - CAST(lineitem.l_discount AS Decimal128(23, 2)) AS Decimal128(38, 4)) AS volume, n2.n_name AS nation
          Projection: lineitem.l_extendedprice, lineitem.l_discount, orders.o_orderdate, n2.n_name
            Inner Join: n1.n_regionkey = region.r_regionkey
              Inner Join: supplier.s_nationkey = n2.n_nationkey
                Inner Join: customer.c_nationkey = n1.n_nationkey
                  Inner Join: orders.o_custkey = customer.c_custkey
                    Inner Join: lineitem.l_orderkey = orders.o_orderkey
                      Inner Join: lineitem.l_suppkey = supplier.s_suppkey
                        Inner Join: part.p_partkey = lineitem.l_partkey
                          Filter: part.p_type = Utf8("ECONOMY ANODIZED STEEL")
                            TableScan: part projection=[p_partkey, p_type]
                          TableScan: lineitem projection=[l_orderkey, l_partkey, l_suppkey, l_extendedprice, l_discount]
                        TableScan: supplier projection=[s_suppkey, s_nationkey]
                      Filter: orders.o_orderdate >= Date32("9131") AND orders.o_orderdate <= Date32("9861")
                        TableScan: orders projection=[o_orderkey, o_custkey, o_orderdate]
                    TableScan: customer projection=[c_custkey, c_nationkey]
                  SubqueryAlias: n1
                    TableScan: nation projection=[n_nationkey, n_regionkey]
                SubqueryAlias: n2
                  TableScan: nation projection=[n_nationkey, n_name]
              Filter: region.r_name = Utf8("AMERICA")
                TableScan: region projection=[r_regionkey, r_name]