Hi jialin, Thanks for pointing it out.
You are right. In [1], "root" is level 0. We need to keep consistent in the whole system. [1] http://iotdb.apache.org/UserGuide/Master/5-Operation%20Manual/1-DDL%20Data%20Definition%20Language.html#count-timeseries Best, ----------------------------------- Xiangdong Huang School of Software, Tsinghua University 黄向东 清华大学 软件学院 Jialin Qiao <qj...@mails.tsinghua.edu.cn> 于2020年4月28日周二 下午1:33写道： > Hi, > > There is a configoration in iotdb-engine.properties: > > # Storage group level when creating schema automatically is enabled > # e.g. root.sg0.d1.s2 > # we will set root.sg0 as the storage group if storage group level is > 2 > default_storage_group_level=2 > > The level of root is 1. We may need to change this. > > Thanks, > -- > 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: "WangChao (Jira)" <j...@apache.org> > > 发送时间: 2020-04-28 12:30:00 (星期二) > > 收件人: notificati...@iotdb.apache.org > > 抄送: > > 主题: [jira] [Commented] (IOTDB-622) count all records of the whole > database > > > > > > [ > https://issues.apache.org/jira/browse/IOTDB-622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094143#comment-17094143 > ] > > > > WangChao commented on IOTDB-622: > > -------------------------------- > > > > Ok, that seems reasonable. > > > > > > > > Maybe we could support level=0 to return total number of the database. > > > > > > > > > Actually you mean to call the tag name back. > > > > > > > > Yes，like tag name on every level, not the whole timeseries. > > > > > > > > level seems can't express those sqls: > > > > > > > > like root.sgcc.wf03.wt01, but I want to group by sgcc, wt01. > > > > > > > > Well, focus on this issue, level is enough, I will try to implement it. > > > > > > > > > count all records of the whole database > > > --------------------------------------- > > > > > > Key: IOTDB-622 > > > URL: https://issues.apache.org/jira/browse/IOTDB-622 > > > Project: Apache IoTDB > > > Issue Type: Improvement > > > Components: Core/Engine > > > Reporter: WangChao > > > Assignee: WangChao > > > Priority: Trivial > > > > > > Now the count function only count the number of every timeseries, it's > useful to count the total record of the specific path. > > > > > > like: > > > > > > *_select count(*) from root.ln._** should return the total number of > the records in storage group root.ln, but now it returns the number of each > timeseries which is in root.ln. > > > > > > Please leave your opinion. > > > > > > > > > > > -- > > This message was sent by Atlassian Jira > > (v8.3.4#803005) >
