sum() function
sum() returns the sum of non-null values in a specified column.
Function type signature
(<-tables: stream[A], ?column: string) => stream[B] where A: Record, B: Record
For more information, see Function type signatures.
Parameters
column
Column to operate on. Default is _value.
tables
Input data. Default is piped-forward data (<-).
Examples
Return the sum of values in each table
import "sampledata"
sampledata.int()
|> sum()
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