select sum(1)
select sum(cast(1 as tinyint))
select sum(cast(100 as smallint))
select sum(cast(100000 as int))
select sum(cast(10000000000 as bigint))
select sum(cast(1 as tinyint unsigned))
select sum(cast(100 as smallint unsigned))
select sum(cast(100000 as int unsigned))
select sum(cast(10000000000 as bigint unsigned))
select sum(cast(1.1 as float))
select sum(cast(1.1 as double))
