22 #include <drizzled/function/func.h>
23 #include <drizzled/function/num_op.h>
24 #include <drizzled/function/additive_op.h>
33 const char *func_name()
const {
return "-"; }
double real_op()
Performs the operation that this functions implements when the result type is REAL.
void fix_length_and_dec()
type::Decimal * decimal_op(type::Decimal *)
int64_t int_op()
Performs the operation that this functions implements when the result type is INT.