def _distinct_impl(expr, op, **kw):
    return UnaryExpression(expr, operator=operators.distinct_op,
                           type_=expr.type)
Check if the minion is exposed, based on the whitelist and blacklist
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/sql/default_comparator.py/_distinct_impl--crossover with--dataset/ETHPy150Open saltstack/salt/salt/fileserver/minionfs.py/_is_exposed