I don't understand {"name": "latencyMs", "type": "doubleSum", "fieldName": "latencyMs"}

[ighack]

I need
select avg(latencyMs),min(latencyMs),sum(latencyMs) from mytable

so make config
I can only do that

 "metricsSpec": [
       {"name": "views", "type": "count"},
       {"name": "latencyMs", "type": "doubleSum", "fieldName": "latencyMs"}
  ]

or
I should do this

 "metricsSpec": [
       {"name": "views", "type": "count"},
       {"name": "latencyMs", "type": "doubleSum", "fieldName": "latencyMs"},
       {"name": "latencyMs", "type": "doubleMin", "fieldName": "latencyMs"},
  ]

and what about avg?