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_type`	The data type of items 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.

equals(self, other)¶

Return true if type is equivalent to passed value.

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

pyarrow.ListType pyarrow.StructType