From 525106d789f1ace9eff8eb904525f2cf99d58a54 Mon Sep 17 00:00:00 2001
From: Emil Ejbyfeldt <emil.ejbyfeldt@gmail.com>
Date: Fri, 23 Aug 2024 09:54:07 +0200
Subject: [PATCH] Add cast to support all numeric types

---
 datafusion/functions-aggregate/src/variance.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/datafusion/functions-aggregate/src/variance.rs b/datafusion/functions-aggregate/src/variance.rs
index e13febfa0fe7c..32e54d92e6c3b 100644
--- a/datafusion/functions-aggregate/src/variance.rs
+++ b/datafusion/functions-aggregate/src/variance.rs
@@ -491,7 +491,8 @@ impl GroupsAccumulator for VarianceGroupsAccumulator {
         total_num_groups: usize,
     ) -> Result<()> {
         assert_eq!(values.len(), 1, "single argument to update_batch");
-        let values = downcast_value!(values[0], Float64Array);
+        let values = &cast(&values[0], &DataType::Float64)?;
+        let values = downcast_value!(values, Float64Array);
 
         self.resize(total_num_groups);
         accumulate(group_indices, values, opt_filter, |group_index, value| {