From 9bf3219e6e649d837a181f7cce13e90c83609685 Mon Sep 17 00:00:00 2001
From: "eric.cy.huang" <eric.cy.huang@linecorp.com>
Date: Fri, 6 Dec 2024 10:38:59 +0800
Subject: [PATCH] Add source reference

---
 src/transforms/log_to_metric.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/transforms/log_to_metric.rs b/src/transforms/log_to_metric.rs
index d16aa1ea76960..8f8fb8973ddb5 100644
--- a/src/transforms/log_to_metric.rs
+++ b/src/transforms/log_to_metric.rs
@@ -372,6 +372,7 @@ fn slugify_text(input: String) -> String {
     result.to_lowercase()
 }
 
+// borrow from src/sinks/loki/sink.rs
 fn tag_expansion(
     key_s: String,
     value_s: String,