From 811c68cdb2c736986c319bfc2ee3d5f9ba5847ce Mon Sep 17 00:00:00 2001
From: PSeitz-dd <pascal.seitz@datadoghq.com>
Date: Mon, 21 Jul 2025 06:19:30 +0200
Subject: [PATCH] fix field_names in top_hits aggregation (#2675)

---
 src/aggregation/metric/top_hits.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/aggregation/metric/top_hits.rs b/src/aggregation/metric/top_hits.rs
index 524f8d76f..a75f7e3bd 100644
--- a/src/aggregation/metric/top_hits.rs
+++ b/src/aggregation/metric/top_hits.rs
@@ -229,6 +229,7 @@ impl TopHitsAggregationReq {
         self.sort
             .iter()
             .map(|KeyOrder { field, .. }| field.as_str())
+            .chain(self.doc_value_fields.iter().map(|s| s.as_str()))
             .collect()
     }