unique() function
unique() returns all records containing unique values in a specified column.
Group keys, columns, and values are not modified.
unique() drops empty tables.
Function type signature
(<-tables: stream[A], ?column: string) => stream[A] where A: RecordFor more information, see Function type signatures.
Parameters
column
Column to search for unique values. Default is _value.
tables
Input data. Default is piped-forward data (<-).
Examples
Return unique values from input tables
import "sampledata"
sampledata.int()
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