highestCurrent() function
highestCurrent() selects the last record from each input table and returns the
highest n records.
Note: highestCurrent() drops empty tables.
Function type signature
(<-tables: stream[A], n: int, ?column: string, ?groupColumns: [string]) => stream[A] where A: Record
For more information, see Function type signatures.
Parameters
n
(Required) Number of records to return.
column
Column to evaluate. Default is _value.
groupColumns
List of columns to group by. Default is [].
tables
Input data. Default is piped-forward data (<-).
Examples
Return the highest current value from a stream of tables
import "sampledata"
sampledata.int()
|> highestCurrent(n: 1, groupColumns: ["tag"])
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