Method contains_column

lib/sqlalchemy/sql/base.py:2232–2233

(self, col: ColumnClause[Any])

class ColumnSet(util.OrderedSet["ColumnClause[Any]"]):
    def contains_column(self, col: ColumnClause[Any]) -> bool:
        return col in self

    def extend(self, cols: Iterable[Any]) -> None:
        for col in cols: