pyarrow.MapType#

class pyarrow.MapType#

Bases: pyarrow.lib.DataType

Concrete class for map data types.

__init__(*args, **kwargs)#

Methods

`__init__`(args, *kwargs)
`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

otherDataType or str convertible to DataType

Returns

is_equalbool

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