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