class_docstr: Fetch data from a BigQuery table (alternatively fetch selected columns) and insert it into a MySQL table.
  
  .. seealso::
      For more information on how to use this operator, take a look at the guide:
      :ref:`howto/operator:BigQueryToMySqlOperator`
  
  :param mysql_table: target MySQL table, use dot notation to target a
      specific database. It is deprecated: use target_table_name instead. (templated)
  :param target_table_name: target MySQL table. It takes precedence over mysql_table. (templated)
  :param mysql_conn_id: Reference to :ref:`mysql connection id <howto/connection:mysql>`.
code: def get_sql_hook(self) -> MySqlHook:
      return MySqlHook(
          schema=self.database, mysql_conn_id=self.mysql_conn_id
      )
  
file_path: airflow/airflow/providers/google/cloud/transfers/bigquery_to_mysql.py
imports: from __future__ import annotations
  import warnings
  from typing import Sequence
  from airflow.exceptions import AirflowProviderDeprecationWarning
  from airflow.providers.google.cloud.transfers.bigquery_to_sql import BigQueryToSqlBaseOperator
  from airflow.providers.mysql.hooks.mysql import MySqlHook
label_desc: Use image node_id 2 for calling the BigQueryToMySqlOperator obj's underlying member method code with example usage: obj.get_sql_hook() and returns: MySqlHook