[iotdb] branch rel/1.0 updated: [To rel/1.0][IOTDB-5417] Fix missing hasNext() before next() in TagAggregationOperator (#8883)

[er...@apache.org]

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ericpai pushed a commit to branch rel/1.0
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/rel/1.0 by this push:
     new ae3a5d2de4 [To rel/1.0][IOTDB-5417] Fix missing hasNext() before next() in TagAggregationOperator (#8883)
ae3a5d2de4 is described below

commit ae3a5d2de432c5ba6dccab6a1ca1f1d6ad480048
Author: BaiJian <er...@hotmail.com>
AuthorDate: Mon Jan 16 16:52:24 2023 +0800

    [To rel/1.0][IOTDB-5417] Fix missing hasNext() before next() in TagAggregationOperator (#8883)
---
 .../iotdb/db/mpp/execution/operator/process/TagAggregationOperator.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/TagAggregationOperator.java b/server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/TagAggregationOperator.java
index cf18c26b74..4cf85411ec 100644
--- a/server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/TagAggregationOperator.java
+++ b/server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/TagAggregationOperator.java
@@ -122,7 +122,7 @@ public class TagAggregationOperator implements ProcessOperator {
         continue;
       }
 
-      if (!canCallNext[i]) {
+      if (!canCallNext[i] || !children.get(i).hasNext()) {
         return false;
       }