The CSV DATASET data type is only supported on the Block File System on the primary cluster. It is not available for the Object File System.
Splits VARCHAR or CLOB with a CSV format or DATASET STORAGE FORMAT CSV value into a table of DATASET objects. The objects are in CSV storage format with one record per object.
By specifying a DATASET STORAGE FORMAT CSV value as the input parameter, you can convert CSV values containing multiple records into CSV values containing a single record.