def get_atomizer(model, fld, name):
    sf = getattr(fld, '_lino_atomizer', None)
    if sf is None:
        sf = create_atomizer(model, fld, name)
        setattr(fld, '_lino_atomizer', sf)
    return sf
Return the atomizer for this database field. The atomizer is an
dataset/ETHPy150Open lsaffre/lino/lino/core/store.py/get_atomizer