-- Q1-1: key_int64; distinct rate: 10M/300M; HashMap
explain analyze select /*+ mpp_1phase_agg() */ sum(l_quantity), l_partkey from lineitem group by l_partkey limit 1 offset 9000000;
-- Q1-2: key_int64; 75M/300M; HashMp
explain analyze select /*+ mpp_1phase_agg() */ sum(l_quantity), l_orderkey from lineitem group by  L_orderkey limit 1 offset 70000000;
-- Q1-3: key_int64; 7/300M; HashMap
explain analyze select /*+ mpp_1phase_agg() */ sum(l_quantity), l_linenumber from lineitem group by  l_linenumber;

-- Q2-1: one_key_strbinpadding_phmap; 2/300M; StringHashMap
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount), l_linestatus from lineitem group by l_linestatus;
-- Q2-2: one_key_strbinpadding; 104M/300M; StringHashMap
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount) from lineitem group by l_comment limit 1 offset 100000000;


-- Q3-1: key_serialized as group by method;  33/300M; HashMap with StringRef key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount), l_returnflag from lineitem group by l_returnflag, l_discount;
-- Q3-2: key_serialized as group by method; 77M/300M; HashMap with StringRef key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount), l_returnflag from lineitem group by l_returnflag, l_discount, l_extendedprice limit 1 offset 75000000;


-- Q4-1: two_keys_num64_strbinpadding: 21/300M; HashMap with StringRef key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount) from lineitem group by l_returnflag, L_LINENUMBER;
-- Q4-2: two_keys_num64_strbinpadding; 29.9M/300M; HashMap with StringRef key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_discount), l_partkey from lineitem group by l_returnflag, l_partkey limit 1 offset 29000000;


-- Q5-1: keys_128; 77/300M; HashMap with UInt128 key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_linenumber), l_discount from lineitem group by l_linenumber, l_discount;
-- Q5-2: keys_128; 5M/300M; HashMap with UInt128 key
explain analyze select /*+ mpp_1phase_agg() */ sum(l_linenumber), l_discount from lineitem group by l_suppkey, l_discount limit 1 offset 4000000;


-- Q6-1: key_string; 4/300M; StringHashMap
 explain analyze select /*+ mpp_1phase_agg() */ sum(l_quantity), l_shipinstruct from lineitem group by l_shipinstruct;
 
 -- Q7-1: keys_256; 290M/300M; HashMap;
 explain analyze select /*+ mpp_1phase_agg() */ sum(l_suppkey) from lineitem group by l_suppkey, l_tax, l_discount, l_partkey limit 1;

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