pyarrow.compute.SelectKOptions#
- class pyarrow.compute.SelectKOptions(k, sort_keys)#
Bases:
_SelectKOptionsOptions for top/bottom k-selection.
- Parameters:
- k
int Number of leading values to select in sorted order (i.e. the largest values if sort order is “descending”, the smallest otherwise).
- sort_keyssequence of (
name,order)tuples Names of field/column keys to sort the input on, along with the order each field/column is sorted in. Accepted values for order are “ascending”, “descending”. The field name can be a string column name or expression.
- k
- __init__(self, k, sort_keys)#
Methods
__init__(self, k, sort_keys)deserialize(buf)Deserialize options for a function.
serialize(self)- static deserialize(buf)#
Deserialize options for a function.
- Parameters:
- buf
Buffer The buffer containing the data to deserialize.
- buf
- serialize(self)#