pyarrow.MapType

class pyarrow.MapType

Bases: pyarrow.lib.DataType

Concrete class for map data types.

__init__(*args, **kwargs)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(*args, **kwargs)	Initialize self.
equals(self, other)	Return true if type is equivalent to passed value.
to_pandas_dtype(self)	Return the equivalent NumPy / Pandas dtype.

Attributes

bit_width
id
item_field	The field for items in the map entries.
item_type	The data type of items in the map entries.
key_field	The field for keys in the map entries.
key_type	The data type of keys in the map entries.
num_buffers	Number of data buffers required to construct Array type excluding children.
num_children	The number of child fields.
num_fields	The number of child fields.

bit_width

equals(self, other)

Return true if type is equivalent to passed value.

Parameters

other (DataType or string convertible to DataType) –

Returns

is_equal (bool)

id

item_field

The field for items in the map entries.

item_type

The data type of items in the map entries.

key_field

The field for keys in the map entries.

key_type

The data type of keys in the map entries.

num_buffers

Number of data buffers required to construct Array type excluding children.

num_children

The number of child fields.

num_fields

The number of child fields.

to_pandas_dtype(self)

Return the equivalent NumPy / Pandas dtype.

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pyarrow.ListType

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pyarrow.StructType