PARQUET_CONVERSION_FAILURE error class
Unable to create a Parquet converter for the data type <dataType> whose Parquet type is <parquetType>.
DECIMAL
Parquet DECIMAL type can only be backed by INT32, INT64, FIXED_LEN_BYTE_ARRAY, or BINARY.
UNSUPPORTED
Please modify the conversion making sure it is supported.
WITHOUT_DECIMAL_METADATA
Please read this column/field as Spark BINARY type.