lidavidm commented on code in PR #2609: URL: https://github.com/apache/arrow-adbc/pull/2609#discussion_r2006882294
########## python/adbc_driver_manager/tests/test_dbapi_nopyarrow.py: ########## @@ -0,0 +1,160 @@ +# 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. + +import typing + +import polars +import polars.testing +import pytest + +from adbc_driver_manager import dbapi + +pytestmark = pytest.mark.pyarrowless + + +@pytest.fixture(scope="module", autouse=True) +def no_pyarrow() -> None: + try: + import pyarrow # noqa:F401 + except ImportError: + return + else: + pytest.skip("Skipping because pyarrow is installed") + + +@pytest.fixture +def sqlite() -> typing.Generator[dbapi.Connection, None, None]: + with dbapi.connect(driver="adbc_driver_sqlite") as conn: + yield conn + + +@pytest.mark.parametrize( + "data", + [ + pytest.param(polars.DataFrame({"theresult": [1]}), id="polars.DataFrame"), + pytest.param(polars.Series([{"theresult": 1}]), id="polars.Series"), + pytest.param( + polars.DataFrame({"theresult": [1]}).__arrow_c_stream__(), + id="PyCapsule_Stream", + ), + # TODO: It seems we can't get an array capsule from a series + ], +) +def test_ingest(sqlite: dbapi.Connection, data: typing.Any) -> None: + with sqlite.cursor() as cursor: + cursor.adbc_ingest("mytable", data) + cursor.execute("SELECT * FROM mytable") + df = cursor.fetch_polars() + polars.testing.assert_frame_equal( + df, + polars.DataFrame( + { + "theresult": [1], + } + ), + ) + + +def test_query(sqlite: dbapi.Connection) -> None: + with sqlite.cursor() as cursor: + cursor.execute("SELECT 1 AS theresult") + capsule = cursor.fetch_arrow() + df = typing.cast(polars.DataFrame, polars.from_arrow(capsule)) + polars.testing.assert_frame_equal( + df, + polars.DataFrame( + { + "theresult": [1], + } + ), + ) + + cursor.execute("SELECT 1 AS theresult") + df = cursor.fetch_polars() + polars.testing.assert_frame_equal( + df, + polars.DataFrame( + { + "theresult": [1], + } + ), + ) + + +@pytest.mark.parametrize( + "parameters", + [ + pytest.param(polars.DataFrame({"$0": [1]}), id="polars.DataFrame"), + pytest.param(polars.Series([{"$0": 1}]), id="polars.Series"), + pytest.param( + polars.DataFrame({"$0": [1]}).__arrow_c_stream__(), id="PyCapsule_Stream" + ), + # TODO: It seems we can't get an array capsule from a series + ], +) +def test_query_bind(sqlite: dbapi.Connection, parameters: typing.Any) -> None: + with sqlite.cursor() as cursor: + cursor.execute("SELECT 1 + ? AS theresult", parameters=parameters) + + cursor.execute("SELECT 1 AS theresult") Review Comment: D'oh, copy-paste error -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
