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如果有后面的"group by level=n"存在，则限定select 后面跟随的用于聚合的measurement只允许有一个。如有多个则报错。原因是目前已有的count() group by level对处理多个聚合measurement的查询实现有问题。重新修改不能保证在本周内完成。level对处理多个聚合measurement的查询实现有问题。对多个measurement聚合的功能扩展将会在Jira:

Jira
serverASF JIRA
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keyIOTDB-1024
中完成。


实现方案

接口修改

目前count()对多个序列结果集的合并逻辑位于 FilePathUtils.java的mergeRecordByPath()方法中。

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