COS() returns different last digit precision value for DECIMAL(38) column.

drop table if exists cs1;

create table cs1 (a decimal(38), b decimal(38) unsigned)engine=columnstore;

insert into cs1 values (-123456, 123456);

select cos(a), cos(b) from cs1;

+---------------------+---------------------+

| cos(a)              | cos(b)              |

+---------------------+---------------------+

| -0.6722948816565846 | -0.6722948816565846 |

+---------------------+---------------------+

select cos(a), cos(b) from cs1;

+---------------------+---------------------+

| cos(a)              | cos(b)              |

+---------------------+---------------------+

| -0.6722948816565845 | -0.6722948816565845 |

+---------------------+---------------------+