yang caiyin created IOTDB-5172:
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Summary: SingleDeviceViewNode can't get outputColumnTypes when
it's isolated
Key: IOTDB-5172
URL: https://issues.apache.org/jira/browse/IOTDB-5172
Project: Apache IoTDB
Issue Type: Bug
Reporter: yang caiyin
Assignee: yang caiyin
Fix For: master branch
Attachments: image-2022-12-11-17-16-01-243.png
The SingleDeviceViewNode gets the outputColumnNames from MergeSortNode in
LocalExecutionPlanner. However, in some situation such that only one
SingleDeviceViewNode is assigned in data region, the lack of MergeSortNode will
cause a null exception in visitSingleDeviceView.
!image-2022-12-11-17-16-01-243.png!
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