Labels set in database labels column are overwritten with autogenerated values by default

[asbjorul]

It is not possible to use the database labels column to define labels for batch processed data. The database reader reads the labels column, but the values are replaced later by the simple_db_engine which overwrites the existing labels with labels generated from filenames by the create_labels function in batch_helpers.py. There is no setting to avoid this behavior. I suggest to limit auto generation of labels to cases when no labels already exist.

[jepegit]

Done