Use the DATASET_HANDLE data type to pass a DATASET type instance as an argument to an external routine or UDF. Similarly, use DATASET_HANDLE to return a DATASET type result from an external routine. DATASET_HANDLE is defined in sqltypes_td.h as follows:
typedef int DATASET_HANDLE;
An FNC call may require that you specify encoding for the schema text being handled. Therefore, the following enum and types are defined in sqltypes_td.h:
typedef enum dataset_schema_encoding_en {
datasetSchemaUTF8 = 0,
datasetSchemaUTF16 = 1
} dataset_schema_encoding_en;
typedef Byte dataset_schema_encoding_t;
The CSV enum field in dataset_storage_et is called DATASET_CSV_EN=1.
The DATASET data type may not be used as an attribute of a structured UDT or as the base type of a Teradata Distinct UDT or ARRAY type.