Re:Re: Solving jira problem (IOTDB-298) Refactor the "last" and "first" aggregators

Hi, I think my problem is only a special example of IOTDB-335, my work will use some existing functions to implement a 'last' function we possibly need now, but it can't be a general way to solve IOTDB-335, and I also don't know how to deal with IOTDB-335 , perhaps others could help. Yi Tao

Re: Solving jira problem (IOTDB-298) Refactor the "last" and "first" aggregators

Hi, I'm terribly sorry to bother you, is this the same problem as IOTDB-335(https://issues.apache.org/jira/browse/IOTDB-335 )? > 在 2019年12月3日，下午3:37，thss15_yit 写道： > > Hi, > Now I'm trying to design and develop a new 'last' function to ge

Solving jira problem (IOTDB-298) Refactor the "last" and "first" aggregators

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-i