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56 lines
2.0 KiB
56 lines
2.0 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, Dict, List, Union |
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from airflow.models import BaseOperator |
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from airflow.providers.vertica.hooks.vertica import VerticaHook |
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from airflow.utils.decorators import apply_defaults |
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class VerticaOperator(BaseOperator): |
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""" |
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Executes sql code in a specific Vertica database. |
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:param vertica_conn_id: reference to a specific Vertica database |
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:type vertica_conn_id: str |
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:param sql: the sql code to be executed. (templated) |
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:type sql: Can receive a str representing a sql statement, |
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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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""" |
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template_fields = ("sql",) |
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template_ext = (".sql",) |
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ui_color = "#b4e0ff" |
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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: Union[str, List[str]], |
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vertica_conn_id: str = "vertica_default", |
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**kwargs: Any |
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) -> None: |
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super().__init__(**kwargs) |
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self.vertica_conn_id = vertica_conn_id |
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self.sql = sql |
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def execute(self, context: Dict[Any, Any]) -> None: |
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self.log.info("Executing: %s", self.sql) |
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hook = VerticaHook(vertica_conn_id=self.vertica_conn_id) |
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hook.run(sql=self.sql)
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