code: def get_column_names(self):
      columns = [
          col.name if col.alias is None else col.alias
          for col in self._columns
      ]
      return columns
  
imports: import copy
  import pandas
  from mindsdb.api.executor.exceptions import WrongArgumentError
label_desc: Use image node_id 12 for calling the ResultSet obj's underlying member method code with example usage: obj.get_column_names() and returns: columns