airflow mysql 源码
airflow mysql 代码
文件路径：/airflow/providers/mysql/operators/mysql.py
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from __future__ import annotations
import warnings
from typing import Sequence
from airflow.providers.common.sql.operators.sql import SQLExecuteQueryOperator
from airflow.www import utils as wwwutils
class MySqlOperator(SQLExecuteQueryOperator):
"""
Executes sql code in a specific MySQL database
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:MySqlOperator`
:param sql: the sql code to be executed. 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'
(templated)
:param mysql_conn_id: Reference to :ref:`mysql connection id <howto/connection:mysql>`.
:param parameters: (optional) the parameters to render the SQL query with.
Template reference are recognized by str ending in '.json'
(templated)
:param autocommit: if True, each command is automatically committed.
(default value: False)
:param database: name of database which overwrite defined one in connection
"""
template_fields: Sequence[str] = ('sql', 'parameters')
# TODO: Remove renderer check when the provider has an Airflow 2.3+ requirement.
template_fields_renderers = {
'sql': 'mysql' if 'mysql' in wwwutils.get_attr_renderer() else 'sql',
'parameters': 'json',
}
template_ext: Sequence[str] = ('.sql', '.json')
ui_color = '#ededed'
def __init__(
self, *, mysql_conn_id: str = 'mysql_default', database: str | None = None, **kwargs
) -> None:
if database is not None:
hook_params = kwargs.pop('hook_params', {})
kwargs['hook_params'] = {'schema': database, **hook_params}
super().__init__(conn_id=mysql_conn_id, **kwargs)
warnings.warn(
"""This class is deprecated.
Please use `airflow.providers.common.sql.operators.sql.SQLExecuteQueryOperator`.
Also, you can provide `hook_params={'schema': <database>}`.""",
DeprecationWarning,
stacklevel=2,
)
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