fix: Correct wildcard expansion for functions

crates/polars-plan/src/dsl/functions/temporal.rs

@@ -427,7 +427,7 @@ pub fn duration(args: DurationArgs) -> Expr {
         function: FunctionExpr::TemporalExpr(TemporalFunction::Duration(args.time_unit)),
         options: FunctionOptions {
             collect_groups: ApplyOptions::ElementWise,
-            flags: FunctionFlags::default() | FunctionFlags::INPUT_WILDCARD_EXPANSION,
+            flags: FunctionFlags::default(),
             ..Default::default()
         },
     }

crates/polars-plan/src/dsl/list.rs

@@ -332,34 +332,24 @@ impl ListNameSpace {
     pub fn contains<E: Into<Expr>>(self, other: E) -> Expr {
         let other = other.into();
 
-        self.0
-            .map_many_private(
-                FunctionExpr::ListExpr(ListFunction::Contains),
-                &[other],
-                false,
-                None,
-            )
-            .with_function_options(|mut options| {
-                options.flags |= FunctionFlags::INPUT_WILDCARD_EXPANSION;
-                options
-            })
+        self.0.map_many_private(
+            FunctionExpr::ListExpr(ListFunction::Contains),
+            &[other],
+            false,
+            None,
+        )
     }
     #[cfg(feature = "list_count")]
     /// Count how often the value produced by ``element`` occurs.
     pub fn count_matches<E: Into<Expr>>(self, element: E) -> Expr {
         let other = element.into();
 
-        self.0
-            .map_many_private(
-                FunctionExpr::ListExpr(ListFunction::CountMatches),
-                &[other],
-                false,
-                None,
-            )
-            .with_function_options(|mut options| {
-                options.flags |= FunctionFlags::INPUT_WILDCARD_EXPANSION;
-                options
-            })
+        self.0.map_many_private(
+            FunctionExpr::ListExpr(ListFunction::CountMatches),
+            &[other],
+            false,
+            None,
+        )
     }
 
     #[cfg(feature = "list_sets")]

py-polars/tests/unit/functions/as_datatype/test_duration.py

@@ -181,3 +181,12 @@ def test_duration_time_unit_ms() -> None:
     result = pl.duration(milliseconds=4)
     expected = pl.duration(milliseconds=4, time_unit="us")
     assert_frame_equal(pl.select(result), pl.select(expected))
+
+
+def test_duration_wildcard_expansion() -> None:
+    # Test that wildcard expansions occurs correctly in pl.duration
+    # https://github.com/pola-rs/polars/issues/19007
+    df = df = pl.DataFrame({"a": [1], "b": [2]})
+    assert df.select(pl.duration(hours=pl.all()).name.keep()).to_dict(
+        as_series=False
+    ) == {"a": [timedelta(seconds=3600)], "b": [timedelta(seconds=7200)]}

py-polars/tests/unit/operations/namespaces/list/test_list.py

@@ -246,6 +246,16 @@ def test_list_contains_invalid_datatype() -> None:
         df.select(pl.col("a").list.contains(2))
 
 
+def test_list_contains_wildcard_expansion() -> None:
+    # Test that wildcard expansions occurs correctly in list.contains
+    # https://github.com/pola-rs/polars/issues/18968
+    df = pl.DataFrame({"a": [[1, 2]], "b": [[3, 4]]})
+    assert df.select(pl.all().list.contains(3)).to_dict(as_series=False) == {
+        "a": [False],
+        "b": [True],
+    }
+
+
 def test_list_concat() -> None:
     df = pl.DataFrame({"a": [[1, 2], [1], [1, 2, 3]]})
 
@@ -686,6 +696,16 @@ def test_list_count_matches_boolean_nulls_9141() -> None:
     assert a.select(pl.col("a").list.count_matches(True))["a"].to_list() == [1]
 
 
+def test_list_count_matches_wildcard_expansion() -> None:
+    # Test that wildcard expansions occurs correctly in list.count_match
+    # https://github.com/pola-rs/polars/issues/18968
+    df = pl.DataFrame({"a": [[1, 2]], "b": [[3, 4]]})
+    assert df.select(pl.all().list.count_matches(3)).to_dict(as_series=False) == {
+        "a": [0],
+        "b": [1],
+    }
+
+
 def test_list_gather_oob_10079() -> None:
     df = pl.DataFrame(
         {