SameerMesiah97 commented on code in PR #66220: URL: https://github.com/apache/airflow/pull/66220#discussion_r3319921256
########## providers/elasticsearch/src/airflow/providers/elasticsearch/utils/sql.py: ########## @@ -0,0 +1,103 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + + +from __future__ import annotations + +import logging +from collections.abc import Iterable, Mapping +from typing import TYPE_CHECKING, Any + +from airflow.providers.common.compat.sdk import AirflowOptionalProviderFeatureException + +if TYPE_CHECKING: + import polars as pl + from elasticsearch import Elasticsearch + +log = logging.getLogger(__name__) + + +def read_elasticsearch_sql_to_polars( + client: Elasticsearch, + query: str, + params: Mapping[str, Any] | Iterable | None = None, + fetch_size: int = 1000, + max_rows: int | None = None, +) -> pl.DataFrame: + """ + Execute an Elasticsearch SQL query and return results as a Polars DataFrame. + + This uses Elasticsearch SQL cursor-based pagination instead of DB-API, + as Elasticsearch does not provide a fully compliant DB-API interface. + + :param client: Elasticsearch client + :param query: SQL query string + :param params: Optional query parameters + :param fetch_size: Number of rows per batch + :param max_rows: Optional limit on total rows fetched + """ + body: dict[str, Any] = { + "query": query, + "fetch_size": fetch_size, + } + + try: + import polars as pl + except ImportError: Review Comment: Done. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
