Hi，
Thanks for your report, it’s our carelessness when writing user doc. I
have pull a pr to fix it. Pr link is
:https://github.com/apache/incubator-iotdb/pull/182
<https://github.com/apache/incubator-iotdb/pull/182>
Best Regards,
—————————————————
Tianan Li
School of Software, Tsinghua University
> 在 2019年5月24日，下午5:31，zhaoxiuting (JIRA) <j...@apache.org> 写道：
>
> zhaoxiuting created IOTDB-101:
> ---------------------------------
>
> Summary: This is an example of SQL in user manual. Why use sum
> function and mean function to process Boolean data???
> Key: IOTDB-101
> URL: https://issues.apache.org/jira/browse/IOTDB-101
> Project: Apache IoTDB
> Issue Type: Bug
> Reporter: zhaoxiuting
> Attachments: image-2019-05-24-17-28-23-691.png
>
> Step1：The first example of SQL in user manual is SELECT SUM(status),
> SUM(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature <
> 24.
>
> The second example of SQL in user manual is SELECT MEAN(status),
> MEAN(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature
> < 24
>
> Step2:
>
> !image-2019-05-24-17-28-23-691.png!
>
> Exception:It is suggested to modify the example SQL statement in the user
> manual.
>
>
>
>
>
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