I/O Supported dtypes

The following table lists are compatible cudf types for each supported IO format.

CSV

Parquet

JSON

ORC

AVRO

HDF

DLPack

Feather

Data Type

Writer

Reader

Writer

Reader

Writer

Reader

Writer

Reader

Reader

Writer

Reader

Writer

Reader

Writer

Reader

int8

int16

int32

int64

uint8

uint16

uint32

uint64

float32

float64

bool

str

category

list

timedelta64[s]

timedelta64[ms]

timedelta64[us]

timedelta64[ns]

datetime64[s]

datetime64[ms]

datetime64[us]

datetime64[ns]

struct

decimal