"select-group-by sum(b + a) sum, column, k1, k1 k from (select-virtual a, b, a + b column, k1, k1 k from (select-choose a, b, k k1 from (x timestamp (timestamp)))) sample by 1m",
"select sum(b+a), a+b, k k1, k from x sample by 1m",
"select-group-by sum(b + a) sum, column, k1, k1 k from (select-virtual a, b, a + b column, k1 from (select-choose a, b, k k1 from (x timestamp (timestamp)))) sample by 1m",
"select sum(b+a), a+b, k k1, k from x sample by 1m",
"select-virtual b + a column, k1, k1 k from (select-choose a, b, k k1 from (x timestamp (timestamp)))",