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Posted to dev@iotdb.apache.org by "runhuster@foxmail.com" <ru...@foxmail.com> on 2020/05/13 04:28:18 UTC

[iotdb-622] count records of database

Hi，

    I have submit a pr[1] about count total records of database, the usage of new feature as following:

1. select count(status) from root.ln.wf02.wt02 group by level=number

return the total number group by level

2. select count(status) from root.ln.*.* group by ([0,100), 2ms, 10ms),level=number

return the total number group by time interval


[1]https://github.com/apache/incubator-iotdb/pull/1204


runhuster@foxmail.com

Re: [iotdb-622] count records of database

Posted by Jialin Qiao <qj...@mails.tsinghua.edu.cn>.

Hi,

Great work! I would like to have a review.

Best,
--
Jialin Qiao
School of Software, Tsinghua University

乔嘉林
清华大学 软件学院

> -----原始邮件-----
> 发件人: "runhuster@foxmail.com" <ru...@foxmail.com>
> 发送时间: 2020-05-13 12:28:18 (星期三)
> 收件人: dev <de...@iotdb.apache.org>
> 抄送: 
> 主题: [iotdb-622] count records of database
> 
> Hi，
> 
>     I have submit a pr[1] about count total records of database, the usage of new feature as following:
> 
> 1. select count(status) from root.ln.wf02.wt02 group by level=number
> 
> return the total number group by level
> 
> 2. select count(status) from root.ln.*.* group by ([0,100), 2ms, 10ms),level=number
> 
> return the total number group by time interval
> 
> 
> [1]https://github.com/apache/incubator-iotdb/pull/1204
> 
> 
> runhuster@foxmail.com