# 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. # pylint: disable=unused-argument, import-outside-toplevel, protected-access import pytest @pytest.mark.parametrize( "limit,original,expected", [ (100, "SEL TOP 1000 * FROM My_table", "SEL TOP 100 * FROM My_table"), (100, "SEL TOP 1000 * FROM My_table;", "SEL TOP 100 * FROM My_table"), (10000, "SEL TOP 1000 * FROM My_table;", "SEL TOP 1000 * FROM My_table"), (1000, "SEL TOP 1000 * FROM My_table;", "SEL TOP 1000 * FROM My_table"), (100, "SELECT TOP 1000 * FROM My_table", "SELECT TOP 100 * FROM My_table"), (100, "SEL SAMPLE 1000 * FROM My_table", "SEL SAMPLE 100 * FROM My_table"), (10000, "SEL SAMPLE 1000 * FROM My_table", "SEL SAMPLE 1000 * FROM My_table"), ], ) def test_apply_top_to_sql_limit( limit: int, original: str, expected: str, ) -> None: """ Ensure limits are applied to the query correctly """ from superset.db_engine_specs.teradata import TeradataEngineSpec assert TeradataEngineSpec.apply_top_to_sql(original, limit) == expected