series column name was missing

pola-rs · Sep 30, 2023 · 0577e99 · 0577e99
1 parent 29f55ab
commit 0577e99
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/crates/polars-core/src/fmt.rs b/crates/polars-core/src/fmt.rs
@@ -359,7 +359,7 @@ impl Debug for Series {
                 "Series"
             ),
             DataType::Null => {
-                format_nullarray!(f, self.len(), "nullarray", "null", "Series")
+                format_nullarray!(f, self.len(), "nullarray", self.name(), "Series")
             },
             DataType::Binary => {
                 format_array!(f, self.binary().unwrap(), "binary", self.name(), "Series")

diff --git a/py-polars/tests/unit/test_constructors.py b/py-polars/tests/unit/test_constructors.py
@@ -613,7 +613,7 @@ def test_nullarray_print_format() -> None:
     assert df_null.schema == {"a": pl.Null}
     assert df_null.rows() == [(None,), (None,)]
 
-    expected_string = "shape: (2,)\nSeries: 'null' [nullarray]\n[\n\tnull\n\tnull\n]"
+    expected_string = "shape: (2,)\nSeries: 'a' [nullarray]\n[\n\tnull\n\tnull\n]"
     assert str(df_null["a"]) == expected_string