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65 lines
2.4 KiB
65 lines
2.4 KiB
# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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from typing import Any, Iterable, Mapping, Optional, Union |
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from airflow.models import BaseOperator |
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from airflow.providers.sqlite.hooks.sqlite import SqliteHook |
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from airflow.utils.decorators import apply_defaults |
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class SqliteOperator(BaseOperator): |
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""" |
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Executes sql code in a specific Sqlite database |
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.. seealso:: |
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For more information on how to use this operator, take a look at the guide: |
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:ref:`howto/operator:SqliteOperator` |
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:param sql: the sql code to be executed. Can receive a str representing a |
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sql statement, a list of str (sql statements), or reference to a template file. |
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Template reference are recognized by str ending in '.sql' |
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(templated) |
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:type sql: str or list[str] |
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:param sqlite_conn_id: reference to a specific sqlite database |
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:type sqlite_conn_id: str |
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:param parameters: (optional) the parameters to render the SQL query with. |
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:type parameters: dict or iterable |
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""" |
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template_fields = ("sql",) |
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template_ext = (".sql",) |
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ui_color = "#cdaaed" |
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@apply_defaults |
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def __init__( |
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self, |
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*, |
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sql: str, |
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sqlite_conn_id: str = "sqlite_default", |
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parameters: Optional[Union[Mapping, Iterable]] = None, |
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**kwargs, |
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) -> None: |
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super().__init__(**kwargs) |
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self.sqlite_conn_id = sqlite_conn_id |
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self.sql = sql |
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self.parameters = parameters or [] |
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def execute(self, context: Mapping[Any, Any]) -> None: |
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self.log.info("Executing: %s", self.sql) |
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hook = SqliteHook(sqlite_conn_id=self.sqlite_conn_id) |
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hook.run(self.sql, parameters=self.parameters)
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