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https://issues.apache.org/jira/browse/IOTDB-3742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17567801#comment-17567801
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Jialin Qiao commented on IOTDB-3742:
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root is level=0.
For this sql,
(1) using the path pattern to match all series path
(2) calculate the nodes that level=x
!image-2022-07-18-11-47-36-116.png!
> COUNT NODES root.ln.** LEVEL=2 ,result is error
> ------------------------------------------------
>
> Key: IOTDB-3742
> URL: https://issues.apache.org/jira/browse/IOTDB-3742
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Server
> Affects Versions: 0.13.0
> Reporter: zhenqqiang
> Assignee: Yukun Zhou
> Priority: Critical
> Attachments: image-2022-07-18-11-47-36-116.png, screenshot-1.png
>
>
> !screenshot-1.png!
> 1. 无论sql语句怎么样，都不应该报null
> 2. 路径下有很多节点，无论那层都返回1，实际不是1，实际节点很多。
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