From e44bc5b6cad6e66d37e02ab6d420a659d682bf77 Mon Sep 17 00:00:00 2001
From: Sasikumar <sasi.madhav2005@gmail.com>
Date: Sun, 2 Apr 2023 00:26:28 +0530
Subject: [PATCH] Fix nif_not_loaded error when Series.ewm_mean/2 is called
 from query (#557)

---
 native/explorer/src/expressions.rs | 2 +-
 native/explorer/src/lib.rs         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/native/explorer/src/expressions.rs b/native/explorer/src/expressions.rs
index 60aed1894..5bc832a61 100644
--- a/native/explorer/src/expressions.rs
+++ b/native/explorer/src/expressions.rs
@@ -567,7 +567,7 @@ pub fn expr_cumulative_sum(data: ExExpr, reverse: bool) -> ExExpr {
 }
 
 #[rustler::nif]
-pub fn ewm_mean(
+pub fn expr_ewm_mean(
     data: ExExpr,
     alpha: f64,
     adjust: bool,
diff --git a/native/explorer/src/lib.rs b/native/explorer/src/lib.rs
index 91665b4c7..4b6f5da5f 100644
--- a/native/explorer/src/lib.rs
+++ b/native/explorer/src/lib.rs
@@ -203,6 +203,7 @@ rustler::init!(
         expr_window_mean,
         expr_window_min,
         expr_window_sum,
+        expr_ewm_mean,
         // inspect expressions
         expr_describe_filter_plan,
         // string expressions