The EXTFNAPIV4_DESCRIBE_PARM_SCALE attribute indicates the scale of a parameter. Used in a describe_parameter_set scenario.
a_sql_uint32
The scale of a parameter to a UDF. For arithmetic data types, parameter scale is the number of digits to the right of the decimal point in a number.
This attribute is invalid for:
This is a read-only property. The scale is derived from the associated column data type. Once the data type is set, you cannot change the scale.
On success, returns sizeof(a_sql_uint32).