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 [email protected]
