From 6fae5a078b43466ea6f2ecd47e521744dff8e384 Mon Sep 17 00:00:00 2001
From: Andy Grove <agrove@apache.org>
Date: Mon, 9 Dec 2024 14:49:58 -0700
Subject: [PATCH] reinstate down_cast_any_ref (#13705)

---
 .../physical-expr-common/src/physical_expr.rs     | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/datafusion/physical-expr-common/src/physical_expr.rs b/datafusion/physical-expr-common/src/physical_expr.rs
index 93bdcdef8ea0..c2e892d63da0 100644
--- a/datafusion/physical-expr-common/src/physical_expr.rs
+++ b/datafusion/physical-expr-common/src/physical_expr.rs
@@ -214,6 +214,21 @@ pub fn with_new_children_if_necessary(
     }
 }
 
+#[deprecated(since = "44.0.0")]
+pub fn down_cast_any_ref(any: &dyn Any) -> &dyn Any {
+    if any.is::<Arc<dyn PhysicalExpr>>() {
+        any.downcast_ref::<Arc<dyn PhysicalExpr>>()
+            .unwrap()
+            .as_any()
+    } else if any.is::<Box<dyn PhysicalExpr>>() {
+        any.downcast_ref::<Box<dyn PhysicalExpr>>()
+            .unwrap()
+            .as_any()
+    } else {
+        any
+    }
+}
+
 /// Returns [`Display`] able a list of [`PhysicalExpr`]
 ///
 /// Example output: `[a + 1, b]`