How to write an ES query to find the difference between max and min value
of a field?
I am a newbee in elastic search, In my case I feed lot of events along with
session_id and time in to elastic search. My event structure is
Event_name string
Client_id string
App_id string
Session_id string
User_id string
Ip_address string
Latitude int64
Longitude int64
Event_time time.Time
I want to find the life time of a session_id based the feeded events. For that
I can retrive the maximum Event_time and minimum Event_time for a particular
session_id by the following ES query.
{
"size": 0,
"query": {
"match": {
"Session_id": "dummySessionId"
}
},
"aggs": {
"max_time": {
"max": {
"field": "Time"
}
},
"min_time":{
"min": {
"field": "Time"
}
}
}
}
But what I exact want is (max_time - min_time) How to write the ES query for
the same????
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