(skywalking) branch master updated: MQE: fix multiple labeled metric query and make it won't get result if no label value compose is match. (#13665)

[wankai]

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wankai pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking.git


The following commit(s) were added to refs/heads/master by this push:
     new de2d641a3d MQE: fix multiple labeled metric query and make it won't 
get result if no label value compose is match. (#13665)
de2d641a3d is described below

commit de2d641a3de4756f799e8c0b15d6bb4bd44482ad
Author: Wan Kai <wankai...@foxmail.com>
AuthorDate: Wed Jan 14 10:55:21 2026 +0800

    MQE: fix multiple labeled metric query and make it won't get result if no 
label value compose is match. (#13665)
---
 docs/en/changes/changes.md                                              | 1 +
 .../skywalking/oap/server/core/storage/query/IMetricsQueryDAO.java      | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/docs/en/changes/changes.md b/docs/en/changes/changes.md
index e4b027e898..ac63498df5 100644
--- a/docs/en/changes/changes.md
+++ b/docs/en/changes/changes.md
@@ -20,6 +20,7 @@
 * Remove `bydb.dependencies.properties` and set the compatible BanyanDB API 
version number in `${SW_STORAGE_BANYANDB_COMPATIBLE_SERVER_API_VERSIONS}`
 * Fix trace profiling query time range condition.
 * Fix BanyanDB time range overflow in profile thread snapshot query.
+* MQE: fix multiple labeled metric query and ensure no results are returned if 
no label value combinations match.
 
 #### UI
 * Fix the missing icon in new native trace view.
diff --git 
a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/query/IMetricsQueryDAO.java
 
b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/query/IMetricsQueryDAO.java
index 5b50d7faf5..acb1ffa87e 100644
--- 
a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/query/IMetricsQueryDAO.java
+++ 
b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/query/IMetricsQueryDAO.java
@@ -191,6 +191,8 @@ public interface IMetricsQueryDAO extends DAO {
                     });
                     if (!keySet.isEmpty()) {
                         keySets.add(keySet);
+                    } else { // If any query label has no matches, clear all 
keySets so that no results are returned
+                        keySets.clear();
                     }
                 }
                 //intersection labels