@classmethod
    def _create_distinct(cls, expr):
        expr = _literal_as_binds(expr)
        return UnaryExpression(
            expr, operator=operators.distinct_op, type_=expr.type)
Produce an column-expression-level unary ``DISTINCT`` clause.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/sql/elements.py/UnaryExpression._create_distinct