validate_disjoint_columns

openstef_core.datasets.validation.validate_disjoint_columns(datasets: Iterable[TimeSeriesMixin]) → list[str]

Check if the datasets have overlapping feature names.

Validates that all datasets have completely disjoint feature sets, ensuring no feature appears in multiple datasets.

Parameters:

• datasets (Iterable[TimeSeriesMixin]) – Sequence of time series datasets to validate.

• datasets

Returns:

The combined list of all feature names across the datasets.

Raises:

TimeSeriesValidationError – If any feature name appears in multiple datasets.

Return type:

list[str]