set() function
set()
assigns a static column value to each row in the input tables.
set()
may modify an existing column or add a new column.
If the modified column is part of the group key, output tables are regrouped as needed.
set()
can only set string values.
Function type signature
(<-tables: stream[A], key: string, value: string) => stream[A] where A: Record
Parameters
key
(Required) Label of the column to modify or set.
value
(Required) String value to set.
tables
Input data. Default is piped-forward data (<-
).
Examples
Set a column to a specific string value
import "sampledata"
sampledata.int()
|> set(key: "host", value: "prod1")
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