"select sum(n_nationkey) as s from nation order by s",
"select date_add(date '2001-01-01', interval 1 day) as a",
"select date_sub(date '2001-01-01', interval '1 day') as a",
"select date_add('2001-01-01', interval '1 day') as a",
"SELECT N_REGIONKEY + 2 as a, N_REGIONKEY/2, N_REGIONKEY* N_NATIONKEY, N_REGIONKEY % N_NATIONKEY, N_REGIONKEY - N_NATIONKEY FROM NATION WHERE -N_NATIONKEY < -20",//test more expr
"SELECT N_REGIONKEY FROM NATION where N_REGIONKEY >= N_NATIONKEY or (N_NAME like '%ddd' and N_REGIONKEY >0.5)",//test more expr