Get Maximum , Minimum , High of first bar and low of Last from Esper Query

Question

I am new with Esper which is Javas Complex Event Processing framework. Currently i am using the following query:

select 
min(low) as minLow,max(high) as maxHigh
from 
Bar.win:time_batch(180 sec);

I also want to get the high of first Bar and Low of Last bar in 180 sec window. Any Idea how can i achieve that?

Answer 1

We can use last() and first().