Method _factory

lib/sqlalchemy/sql/selectable.py:2137–2146

(
        cls,
        selectable: _FromClauseArgument,
        sampling: Union[float, Function[Any]],
        name: Optional[str] = None,
        seed: Optional[roles.ExpressionElementRole[Any]] = None,
    )

    @classmethod
    def _factory(
        cls,
        selectable: _FromClauseArgument,
        sampling: Union[float, Function[Any]],
        name: Optional[str] = None,
        seed: Optional[roles.ExpressionElementRole[Any]] = None,
    ) -> TableSample:
        return coercions.expect(roles.FromClauseRole, selectable).tablesample(
            sampling, name=name, seed=seed
        )

    @util.preload_module("sqlalchemy.sql.functions")
    def _init(  # type: ignore[override]