def get_schema():
    return fields.Schema(
        id=fields.ID(stored=True),
        collection=fields.ID(stored=True),
        id_collection=fields.ID(unique=True),
        content=fields.TEXT)
This method creates the whoosh schema. It is only needed when the search
dataset/ETHPy150Open OpenSlides/OpenSlides/openslides/utils/search.py/get_schema