The following Ruby class defines the column types returned by some SQL Anywhere Ruby functions.
class Types
A_INVALID_TYPE = 0
A_BINARY = 1
A_STRING = 2
A_DOUBLE = 3
A_VAL64 = 4
A_UVAL64 = 5
A_VAL32 = 6
A_UVAL32 = 7
A_VAL16 = 8
A_UVAL16 = 9
A_VAL8 = 10
A_UVAL8 = 11
end