fix: Implement arg_sort for Null series (#20135)

pola-rs · Dec 3, 2024 · 9b91418 · 9b91418
1 parent bf8f64c
commit 9b91418
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/crates/polars-core/src/series/implementations/null.rs b/crates/polars-core/src/series/implementations/null.rs
@@ -263,6 +263,10 @@ impl SeriesTrait for NullChunked {
         Ok(self.clone().into_series())
     }
 
+    fn arg_sort(&self, _options: SortOptions) -> IdxCa {
+        IdxCa::from_vec(self.name().clone(), (0..self.len() as IdxSize).collect())
+    }
+
     fn is_null(&self) -> BooleanChunked {
         BooleanChunked::full(self.name().clone(), true, self.len())
     }