Add a new field to the dataframe, populated with a single value.
"NEW > 'destination_field' < ['value']"
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.
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']"