@when('we send "\?" command')
def step_send_help(context):
    context.cli.sendline('\?')
this methods creates all the virtual fields automatically by reading the schema attribute
dataset/ETHPy150Open dbcli/pgcli/tests/features/steps/step_definitions.py/step_send_help--crossover with--dataset/ETHPy150Open djangonauts/django-hstore/django_hstore/fields.py/DictionaryField._create_hstore_virtual_fields