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rong pushed a commit to branch dev/1.3
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/dev/1.3 by this push:
new c77c9bbcb0c Subscription: return immediately when unsubscribe empty
complete topics (#15770) (#15781)
c77c9bbcb0c is described below
commit c77c9bbcb0c17d6d7c8ae5ac80c03b5f71461040
Author: VGalaxies <[email protected]>
AuthorDate: Thu Jun 19 10:47:26 2025 +0800
Subscription: return immediately when unsubscribe empty complete topics
(#15770) (#15781)
---
.../iotdb/db/subscription/receiver/SubscriptionReceiverV1.java | 6 ++++++
1 file changed, 6 insertions(+)
diff --git
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/subscription/receiver/SubscriptionReceiverV1.java
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/subscription/receiver/SubscriptionReceiverV1.java
index 17c08543ed6..c1e52165b8d 100644
---
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/subscription/receiver/SubscriptionReceiverV1.java
+++
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/subscription/receiver/SubscriptionReceiverV1.java
@@ -703,6 +703,12 @@ public class SubscriptionReceiverV1 implements
SubscriptionReceiver {
final List<String> topicNamesToUnsubscribe =
SubscriptionAgent.broker().fetchTopicNamesToUnsubscribe(consumerConfig,
topics.keySet());
+ // If it is empty, it could be that the consumer has been closed, or there
are no completed
+ // topics. In this case, it should immediately return.
+ if (topicNamesToUnsubscribe.isEmpty()) {
+ return;
+ }
+
unsubscribe(consumerConfig, new HashSet<>(topicNamesToUnsubscribe));
LOGGER.info(
"Subscription: consumer {} unsubscribe {} (completed topics)
successfully",
