@@ -170,6 +170,11 @@ impl AggregateUDF {
         self.inner.name()
     }
 
+    /// Returns the aliases for this function.
+    pub fn aliases(&self) -> &[String] {
+        self.inner.aliases()
+    }
+
     /// See [`AggregateUDFImpl::schema_name`] for more details.
     pub fn schema_name(&self, params: &AggregateFunctionParams) -> Result<String> {
         self.inner.schema_name(params)
@@ -205,11 +210,6 @@ impl AggregateUDF {
         self.inner.is_nullable()
     }
 
-    /// Returns the aliases for this function.
-    pub fn aliases(&self) -> &[String] {
-        self.inner.aliases()
-    }
-
     /// Returns this function's signature (what input types are accepted)
     ///
     /// See [`AggregateUDFImpl::signature`] for more details.
@@ -435,6 +435,14 @@ pub trait AggregateUDFImpl: Debug + Send + Sync {
     /// Returns this function's name
     fn name(&self) -> &str;
 
+    /// Returns any aliases (alternate names) for this function.
+    ///
+    /// Note: `aliases` should only include names other than [`Self::name`].
+    /// Defaults to `[]` (no aliases)
+    fn aliases(&self) -> &[String] {
+        &[]
+    }
+
     /// Returns the name of the column this expression would create
     ///
     /// See [`Expr::schema_name`] for details
@@ -788,14 +796,6 @@ pub trait AggregateUDFImpl: Debug + Send + Sync {
         not_impl_err!("GroupsAccumulator hasn't been implemented for {self:?} yet")
     }
 
-    /// Returns any aliases (alternate names) for this function.
-    ///
-    /// Note: `aliases` should only include names other than [`Self::name`].
-    /// Defaults to `[]` (no aliases)
-    fn aliases(&self) -> &[String] {
-        &[]
-    }
-
     /// Sliding accumulator is an alternative accumulator that can be used for
     /// window functions. It has retract method to revert the previous update.
     ///
 
@@ -420,6 +420,19 @@ pub trait ScalarUDFImpl: Debug + Send + Sync {
     /// Returns this function's name
     fn name(&self) -> &str;
 
+    /// Returns any aliases (alternate names) for this function.
+    ///
+    /// Aliases can be used to invoke the same function using different names.
+    /// For example in some databases `now()` and `current_timestamp()` are
+    /// aliases for the same function. This behavior can be obtained by
+    /// returning `current_timestamp` as an alias for the `now` function.
+    ///
+    /// Note: `aliases` should only include names other than [`Self::name`].
+    /// Defaults to `[]` (no aliases)
+    fn aliases(&self) -> &[String] {
+        &[]
+    }
+
     /// Returns the user-defined display name of function, given the arguments
     ///
     /// This can be used to customize the output column name generated by this
@@ -543,19 +556,6 @@ pub trait ScalarUDFImpl: Debug + Send + Sync {
     /// to arrays, which will likely be simpler code, but be slower.
     fn invoke_with_args(&self, args: ScalarFunctionArgs) -> Result<ColumnarValue>;
 
-    /// Returns any aliases (alternate names) for this function.
-    ///
-    /// Aliases can be used to invoke the same function using different names.
-    /// For example in some databases `now()` and `current_timestamp()` are
-    /// aliases for the same function. This behavior can be obtained by
-    /// returning `current_timestamp` as an alias for the `now` function.
-    ///
-    /// Note: `aliases` should only include names other than [`Self::name`].
-    /// Defaults to `[]` (no aliases)
-    fn aliases(&self) -> &[String] {
-        &[]
-    }
-
     /// Optionally apply per-UDF simplification / rewrite rules.
     ///
     /// This can be used to apply function specific simplification rules during
 
@@ -313,6 +313,14 @@ pub trait WindowUDFImpl: Debug + Send + Sync {
     /// Returns this function's name
     fn name(&self) -> &str;
 
+    /// Returns any aliases (alternate names) for this function.
+    ///
+    /// Note: `aliases` should only include names other than [`Self::name`].
+    /// Defaults to `[]` (no aliases)
+    fn aliases(&self) -> &[String] {
+        &[]
+    }
+
     /// Returns the function's [`Signature`] for information about what input
     /// types are accepted and the function's Volatility.
     fn signature(&self) -> &Signature;
@@ -328,14 +336,6 @@ pub trait WindowUDFImpl: Debug + Send + Sync {
         partition_evaluator_args: PartitionEvaluatorArgs,
     ) -> Result<Box<dyn PartitionEvaluator>>;
 
-    /// Returns any aliases (alternate names) for this function.
-    ///
-    /// Note: `aliases` should only include names other than [`Self::name`].
-    /// Defaults to `[]` (no aliases)
-    fn aliases(&self) -> &[String] {
-        &[]
-    }
-
     /// Optionally apply per-UDWF simplification / rewrite rules.
     ///
     /// This can be used to apply function specific simplification rules during
 
@@ -25,7 +25,7 @@ use std::sync::Arc;
 /// [`AccumulatorArgs`] contains information about how an aggregate
 /// function was called, including the types of its arguments and any optional
 /// ordering expressions.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct AccumulatorArgs<'a> {
     /// The return field of the aggregate function.
     pub return_field: FieldRef,