# -*- coding: utf-8 -*-
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
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from airflow.hooks.sqlite_hook import SqliteHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
[docs]class SqliteOperator(BaseOperator):
"""
Executes sql code in a specific Sqlite database
:param sqlite_conn_id: reference to a specific sqlite database
:type sqlite_conn_id: string
:param sql: the sql code to be executed. (templated)
:type sql: string or string pointing to a template file. File must have
a '.sql' extensions.
"""
template_fields = ('sql',)
template_ext = ('.sql',)
ui_color = '#cdaaed'
@apply_defaults
def __init__(
self, sql, sqlite_conn_id='sqlite_default', parameters=None,
*args, **kwargs):
super(SqliteOperator, self).__init__(*args, **kwargs)
self.sqlite_conn_id = sqlite_conn_id
self.sql = sql
self.parameters = parameters or []
[docs] def execute(self, context):
self.log.info('Executing: %s', self.sql)
hook = SqliteHook(sqlite_conn_id=self.sqlite_conn_id)
hook.run(self.sql, parameters=self.parameters)