Hi, I'm terribly sorry to bother you, is this the same problem as IOTDB-335(https://issues.apache.org/jira/browse/IOTDB-335 <https://issues.apache.org/jira/browse/IOTDB-335>)?
> 在 2019年12月3日，下午3:37，thss15_yit <thss15_...@163.com> 写道： > > Hi, > Now I'm trying to design and develop a new 'last' function to get the > last time-value pairs in one or several timeseries, working on JIRA issue > [IOTDB-298], Now an example of this function is SELECT LAST(d0.s1, d1.s2) > FROM root.sg1 , to get the last value in root.sg1.d0.s1 and root.sg1.d1.s2 > You can see the function's particular grammar and examples in the > attached file last.md . > I'm glad to get your suggestions. Thank you. > Tao Yi > > > > > > At 2019-11-29 11:30:18, "thss15_yit" <thss15_...@163.com> wrote: > >Hi, > > I have been working on JIRA issue [IOTDB-298], and now in the following > > pull request I change the aggregation function's name from first,last to > > first_value,last_value to make it more clear, and change the relevant > > documents. > > The pull request is https://github.com/apache/incubator-iotdb/pull/594, > > Thanks for your checking. > > I'm going to complete a new 'last' function to get the last point(s) on > > this issue. The function still needs to be discussed. Thanks for your idea. > >Tao Yi > > > > > > > > > > > > >