Usage
javascript(fieldNames, fnAggregate, fnCombine, fnReset, name = "javascript")
Arguments
- fieldNames
- list of Druid columns fnAggregate
depends on
- fnAggregte
- JavaScript function updating the
current aggregate value
- fnCombine
- JavaScript function combining aggregate
values
- fnReset
- JavaScript function returning the initial
aggregate value
Description
Constructs a JavaScript aggregator for the given Druid
columns