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xiangweiwei pushed a commit to branch nesteddevice
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 46ae500610040cd915c9dde068fadc639ea65e6e
Author: Alima777 <[email protected]>
AuthorDate: Tue Oct 26 15:58:05 2021 +0800

    Fix bugs
---
 .../java/org/apache/iotdb/db/query/dataset/AlignByDeviceDataSet.java   | 3 ---
 1 file changed, 3 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/query/dataset/AlignByDeviceDataSet.java
 
b/server/src/main/java/org/apache/iotdb/db/query/dataset/AlignByDeviceDataSet.java
index ab4f79e..2a920dc 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/query/dataset/AlignByDeviceDataSet.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/query/dataset/AlignByDeviceDataSet.java
@@ -223,9 +223,6 @@ public class AlignByDeviceDataSet extends QueryDataSet {
     try {
       MNode deviceNode = IoTDB.metaManager.getNodeByPath(device);
       Set<String> res = new HashSet<>(deviceNode.getChildren().keySet());
-      for (MNode mnode : deviceNode.getChildren().values()) {
-        res.addAll(mnode.getChildren().keySet());
-      }
 
       Template template = deviceNode.getUpperTemplate();
       if (template != null) {

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