code: def is_sqlatype_text_of_length_at_least(
          coltype: Union[TypeEngine, VisitableType],
          min_length: int = 1000) -> bool:
      
      coltype = _coltype_to_typeengine(coltype)
      if not isinstance(coltype, sqltypes.String):
          return False  # not a string/text type at all
      if coltype.length is None:
          return True  # string of unlimited length
      return coltype.length >= min_length
docs: Is the SQLAlchemy column type a string type that's at least the specified
      length?