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69 lines
2.6 KiB
69 lines
2.6 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 Optional |
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from airflow.models import BaseOperator |
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from airflow.providers.exasol.hooks.exasol import ExasolHook |
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from airflow.utils.decorators import apply_defaults |
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class ExasolOperator(BaseOperator): |
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""" |
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Executes sql code in a specific Exasol database |
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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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:param exasol_conn_id: reference to a specific Exasol database |
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:type exasol_conn_id: string |
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:param autocommit: if True, each command is automatically committed. |
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(default value: False) |
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:type autocommit: bool |
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:param parameters: (optional) the parameters to render the SQL query with. |
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:type parameters: dict |
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:param schema: (optional) name of the schema which overwrite defined one in connection |
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:type schema: string |
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""" |
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template_fields = ("sql",) |
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template_ext = (".sql",) |
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ui_color = "#ededed" |
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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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exasol_conn_id: str = "exasol_default", |
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autocommit: bool = False, |
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parameters: Optional[dict] = None, |
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schema: Optional[str] = None, |
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**kwargs, |
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) -> None: |
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super().__init__(**kwargs) |
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self.exasol_conn_id = exasol_conn_id |
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self.sql = sql |
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self.autocommit = autocommit |
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self.parameters = parameters |
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self.schema = schema |
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def execute(self, context) -> None: |
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self.log.info("Executing: %s", self.sql) |
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hook = ExasolHook(exasol_conn_id=self.exasol_conn_id, schema=self.schema) |
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hook.run(self.sql, autocommit=self.autocommit, parameters=self.parameters)
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