tscottcoombes1 commented on code in PR #1534: URL: https://github.com/apache/iceberg-python/pull/1534#discussion_r1947262347
########## tests/table/test_upsert.py: ########## @@ -0,0 +1,327 @@ +# 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 pyiceberg.catalog.sql import SqlCatalog +from pyiceberg.catalog import Table as pyiceberg_table +import os +import shutil +import pytest + +_TEST_NAMESPACE = "test_ns" + +try: + from datafusion import SessionContext +except ModuleNotFoundError as e: + raise ModuleNotFoundError("For upsert testing, DataFusion needs to be installed") from e + +def get_test_warehouse_path(): + curr_dir = os.path.dirname(os.path.abspath(__file__)) + return f"{curr_dir}/warehouse" + +def purge_warehouse(): + warehouse_path = get_test_warehouse_path() + if os.path.exists(warehouse_path): + shutil.rmtree(warehouse_path) + +def show_iceberg_table(table, ctx: SessionContext): + import pyarrow.dataset as ds + table_name = "target" + if ctx.table_exist(table_name): + ctx.deregister_table(table_name) + ctx.register_dataset(table_name, ds.dataset(table.scan().to_arrow())) + ctx.sql(f"SELECT * FROM {table_name} limit 5").show() + +def show_df(df, ctx: SessionContext): + import pyarrow.dataset as ds + ctx.register_dataset("df", ds.dataset(df)) + ctx.sql("select * from df limit 10").show() + +def gen_source_dataset(start_row: int, end_row: int, composite_key: bool, add_dup: bool, ctx: SessionContext): + + additional_columns = ", t.order_id + 1000 as order_line_id" if composite_key else "" + + dup_row = f""" + UNION ALL + ( + SELECT t.order_id {additional_columns} + , date '2021-01-01' as order_date, 'B' as order_type + from t + limit 1 + ) + """ if add_dup else "" + + + sql = f""" + with t as (SELECT unnest(range({start_row},{end_row+1})) as order_id) + SELECT t.order_id {additional_columns} + , date '2021-01-01' as order_date, 'B' as order_type + from t + {dup_row} + """ + + df = ctx.sql(sql).to_arrow_table() + + return df + +def gen_target_iceberg_table_v2(start_row: int, end_row: int, composite_key: bool, ctx: SessionContext, catalog: SqlCatalog, namespace: str): + + additional_columns = ", t.order_id + 1000 as order_line_id" if composite_key else "" + + df = ctx.sql(f""" + with t as (SELECT unnest(range({start_row},{end_row+1})) as order_id) + SELECT t.order_id {additional_columns} + , date '2021-01-01' as order_date, 'A' as order_type + from t + """).to_arrow_table() + + table = catalog.create_table(f"{_TEST_NAMESPACE}.target", df.schema) + + table.append(df) + + return table + +@pytest.fixture(scope="session") +def catalog_conn(): + warehouse_path = get_test_warehouse_path() + os.makedirs(warehouse_path, exist_ok=True) + print(warehouse_path) + catalog = SqlCatalog( + "default", + **{ + "uri": f"sqlite:///:memory:", + "warehouse": f"file://{warehouse_path}", + }, + ) + + catalog.create_namespace(namespace="test_ns") + + yield catalog + +@pytest.mark.parametrize( + "join_cols, src_start_row, src_end_row, target_start_row, target_end_row, when_matched_update_all, when_not_matched_insert_all, expected_updated, expected_inserted", + [ + (["order_id"], 1, 2, 2, 3, True, True, 1, 1), # single row + (["order_id"], 5001, 15000, 1, 10000, True, True, 5000, 5000), #10k rows + (["order_id"], 501, 1500, 1, 1000, True, False, 500, 0), # update only + (["order_id"], 501, 1500, 1, 1000, False, True, 0, 500), # insert only Review Comment: no need to change it, just letting you know that you can pass the ids as a param: https://docs.pytest.org/en/7.1.x/example/parametrize.html#different-options-for-test-ids looks cleaner than comments 🙂 -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
