old_contents: #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  from typing import Iterable, Mapping, Optional, Union
  
  from airflow.models import BaseOperator
  from airflow.providers.jdbc.hooks.jdbc import JdbcHook
  from airflow.utils.decorators import apply_defaults
  
  
  class JdbcOperator(BaseOperator):
      """
      Executes sql code in a database using jdbc driver.
  
      Requires jaydebeapi.
  
      :param sql: the sql code to be executed. (templated)
      :type sql: Can receive a str representing a sql statement,
          a list of str (sql statements), or reference to a template file.
          Template reference are recognized by str ending in '.sql'
      :param jdbc_conn_id: reference to a predefined database
      :type jdbc_conn_id: str
      :param autocommit: if True, each command is automatically committed.
          (default value: False)
      :type autocommit: bool
      :param parameters: (optional) the parameters to render the SQL query with.
      :type parameters: mapping or iterable
      """
  
      template_fields = ('sql',)
      template_ext = ('.sql',)
      ui_color = '#ededed'
  
      @apply_defaults
      def __init__(self,
                   sql: str,
                   jdbc_conn_id: str = 'jdbc_default',
                   autocommit: bool = False,
                   parameters: Optional[Union[Mapping, Iterable]] = None,
                   *args, **kwargs) -> None:
          super().__init__(*args, **kwargs)
          self.parameters = parameters
          self.sql = sql
          self.jdbc_conn_id = jdbc_conn_id
          self.autocommit = autocommit
  
      def execute(self, context):
          self.log.info('Executing: %s', self.sql)
          self.hook = JdbcHook(jdbc_conn_id=self.jdbc_conn_id)
          self.hook.run(self.sql, self.autocommit, parameters=self.parameters)
  
new_contents: #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  from typing import Iterable, Mapping, Optional, Union
  
  from airflow.models import BaseOperator
  from airflow.providers.jdbc.hooks.jdbc import JdbcHook
  from airflow.utils.decorators import apply_defaults
  
  
  class JdbcOperator(BaseOperator):
      """
      Executes sql code in a database using jdbc driver.
  
      Requires jaydebeapi.
  
      :param sql: the sql code to be executed. (templated)
      :type sql: Can receive a str representing a sql statement,
          a list of str (sql statements), or reference to a template file.
          Template reference are recognized by str ending in '.sql'
      :param jdbc_conn_id: reference to a predefined database
      :type jdbc_conn_id: str
      :param autocommit: if True, each command is automatically committed.
          (default value: False)
      :type autocommit: bool
      :param parameters: (optional) the parameters to render the SQL query with.
      :type parameters: mapping or iterable
      """
  
      template_fields = ('sql',)
      template_ext = ('.sql',)
      ui_color = '#ededed'
  
      @apply_defaults
      def __init__(self,
                   sql: str,
                   jdbc_conn_id: str = 'jdbc_default',
                   autocommit: bool = False,
                   parameters: Optional[Union[Mapping, Iterable]] = None,
                   *args, **kwargs) -> None:
          super().__init__(*args, **kwargs)
          self.parameters = parameters
          self.sql = sql
          self.jdbc_conn_id = jdbc_conn_id
          self.autocommit = autocommit
  
      def execute(self, context):
          self.log.info('Executing: %s', self.sql)
          hook = JdbcHook(jdbc_conn_id=self.jdbc_conn_id)
          hook.run(self.sql, self.autocommit, parameters=self.parameters)
  
subject: Change from Instance attribute to variable in JdbcOperator.execute (#7819)