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Showing content from https://arrow.apache.org/docs/9.0/python/generated/pyarrow.Field.html below:

pyarrow.Field — Apache Arrow v9.0.0

class pyarrow.Field¶

Bases: _Weakrefable

A named field, with a data type, nullability, and optional metadata.

Notes

Do not use this class’s constructor directly; use pyarrow.field

__init__(*args, **kwargs)¶

Methods

__init__(*args, **kwargs)

add_metadata(self, metadata)

equals(self, Field other, ...)

Test if this field is equal to the other

flatten(self)

Flatten this field.

remove_metadata(self)

Create new field without metadata, if any

with_metadata(self, metadata)

Add metadata as dict of string keys and values to Field

with_name(self, name)

A copy of this field with the replaced name

with_nullable(self, nullable)

A copy of this field with the replaced nullability

with_type(self, DataType new_type)

A copy of this field with the replaced type

Attributes

add_metadata(self, metadata)¶

equals(self, Field other, bool check_metadata=False)¶

Test if this field is equal to the other

Parameters:

otherpyarrow.Field

check_metadatabool, default False

Whether Field metadata equality should be checked as well.

Returns:

is_equalbool

flatten(self)¶

Flatten this field. If a struct field, individual child fields will be returned with their names prefixed by the parent’s name.

Returns:

fieldsList[pyarrow.Field]

metadata¶

name¶

nullable¶

remove_metadata(self)¶

Create new field without metadata, if any

Returns:

fieldpyarrow.Field

type¶

with_metadata(self, metadata)¶

Add metadata as dict of string keys and values to Field

Parameters:

metadatadict

Keys and values must be string-like / coercible to bytes

Returns:

fieldpyarrow.Field

with_name(self, name)¶

A copy of this field with the replaced name

Parameters:

namestr

Returns:

fieldpyarrow.Field

with_nullable(self, nullable)¶

A copy of this field with the replaced nullability

Parameters:

nullablebool

Returns:

field: pyarrow.Field

with_type(self, DataType new_type)¶

A copy of this field with the replaced type

Parameters:

new_typepyarrow.DataType

Returns:

fieldpyarrow.Field

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