Add: Insert constant fields¶

class txf.Add(source, outputs, values)¶

The Add transform adds one or more constant values to the record stream.

source: Transform¶: If one is not provided (None), Add will generate identical rows indefinitely.

outputs: tuple(str), str¶: The name(s) of the output fields. They cannot overwrite existing fields. Use Drop to remove unwanted fields.

values: tuple¶: The value(s) for the output fields. There must be the same number as outputs.

Usage¶

Add(p, 'InputFile', 'test.csv')
Add(p, 'Timestamp', datetime.datetime.now()

Add(p, 'Branch', 'master')