JackieTien97 commented on code in PR #18409:
URL: https://github.com/apache/iotdb/pull/18409#discussion_r3747518209
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/fragment/FragmentInstanceContext.java:
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@@ -1131,6 +1178,7 @@ public synchronized void releaseResource() {
// release TVList/AlignedTVList owned by current query
releaseTVListOwnedByQuery();
+ alignedTVListColumnAccessMap.clear();
Review Comment:
```suggestion
alignedTVListColumnAccessMap = null;
```
set to null may be better and more effecient
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