class_docstr: Base connector class to be extended by all connectors.
docstr: Execute the given query on the data source that the connector is
  connected to.
code: def execute(self) -> DataFrameType:
      """
      Execute the given query on the data source that the connector is
      connected to.
      """
      pass
  
imports: from abc import ABC, abstractmethod
  import os
  from ..helpers.df_info import DataFrameType
  from ..helpers.logger import Logger
  from pydantic import BaseModel
  from typing import Optional, Union
label_desc: Use image node_id 6 for calling the BaseConnector obj's underlying member method code with example usage: obj.execute() without return types