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Bases: BaseSchemaAction

Add a new field to the dataframe, populated with a single value.

Script template

"NEW > 'destination_field' < ['value']"

Where value is a unique string value which will be assigned to the entire column. This is useful where data form part of a series and each transformed dataset will be concatenated into a single larger table. This can function as a grouping identifier.

NOTE: the value will be assigned as the default term for the destination_field FieldModel is part of the Schema, and the default in the constraints. Useful when creating a data series column. Will usually be added automatically after parsing of the scripts.


"NEW > 'la_code' < ['E06000044']"