The EXTFNAPIV4_DESCRIBE_COL_SCALE attribute indicates the scale of the column. Used in a describe_column_get scenario.
a_sql_uint32
The scale of a column. For arithmetic data types, parameter scale is the number of digits to the right of the decimal point in a number. This property is valid only for table arguments.
If the UDF gets this property, returns the scale of the column as defined in the CREATE PROCEDURE statement. This property is valid only for arithmetic data types.
EXTFNAPIV4_DESCRIBE_NOT_AVAILABLE – get error returned if the scale is unavailable for the data type of the specified column.