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They are corresponding to arrow::Type::type values.

Index

Enumeration Members

BINARY: number

Variable-length bytes (no guarantee of UTF-8-ness).

BOOLEAN: number

A boolean value represented as 1-bit.

DATE32: number

int32 days since the UNIX epoch.

DATE64: number

int64 milliseconds since the UNIX epoch.

DAY_TIME_INTERVAL: number

DAY_TIME interval in SQL style.

DECIMAL128: number

Precision- and scale-based decimal type with 128-bit. Storage type depends on the parameters.

DECIMAL256: number

Precision- and scale-based decimal type with 256-bit. Storage type depends on the parameters.

DENSE_UNION: number

Dense unions of logical types.

DICTIONARY: number

Dictionary aka Category type.

DOUBLE: number

8-byte floating point value.

DURATION: number

Measure of elapsed time in either seconds, milliseconds, microseconds or nanoseconds.

EXTENSION: number

Custom data type, implemented by user.

FIXED_SIZE_BINARY: number

Fixed-size binary. Each value occupies the same number of bytes.

FIXED_SIZE_LIST: number

Fixed size list of some logical type.

FLOAT: number

4-byte floating point value.

HALF_FLOAT: number

2-byte floating point value.

INT16: number

Little-endian 16-bit signed integer.

INT32: number

Little-endian 32-bit signed integer.

INT64: number

Little-endian 64-bit signed integer.

INT8: number

Little-endian 8-bit signed integer.

LARGE_BINARY: number

64bit offsets Variable-length bytes (no guarantee of UTF-8-ness).

LARGE_LIST: number

A list of some logical data type with 64-bit offsets.

LARGE_STRING: number

64bit offsets UTF-8 variable-length string.

LIST: number

A list of some logical data type.

MAP: number

A repeated struct logical type.

MONTH_DAY_NANO_INTERVAL: number

MONTH_DAY_NANO interval in SQL style.

MONTH_INTERVAL: number

YEAR_MONTH interval in SQL style.

NA: number

A degenerate NULL type represented as 0 bytes/bits.

SPARSE_UNION: number

Sparse unions of logical types.

STRING: number

UTF-8 variable-length string.

STRUCT: number

Struct of logical types.

TIME32: number

Exact time encoded with int32, supporting seconds or milliseconds

TIME64: number

Exact time encoded with int64, supporting micro- or nanoseconds

TIMESTAMP: number

Exact timestamp encoded with int64 since UNIX epoch. Default unit millisecond.

UINT16: number

Little-endian 16-bit unsigned integer.

UINT32: number

Little-endian 32-bit unsigned integer.

UINT64: number

Little-endian 64-bit unsigned integer.

UINT8: number

Little-endian 8-bit unsigned integer.

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