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36 lines
1.6 KiB
Python
36 lines
1.6 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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from superset.db_engine_specs.mariadb import MariaDBEngineSpec
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from superset.db_engine_specs.mysql import MySQLEngineSpec
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def test_mariadb_inherits_from_mysql() -> None:
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assert issubclass(MariaDBEngineSpec, MySQLEngineSpec)
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def test_mariadb_inherits_extended_aggregations() -> None:
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"""
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MariaDB is a MySQL fork implementing the same aggregate functions, not a
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materially different query engine, so it inherits `_extended_aggregations`
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from `MySQLEngineSpec` unmodified -- see the comment above that dict.
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"""
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assert MariaDBEngineSpec.get_extended_aggregation_func("STDDEV_SAMP") is not None
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assert MariaDBEngineSpec.get_extended_aggregation_func("VAR_SAMP") is not None
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# Same as MySQL, MEDIAN is not supported.
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assert MariaDBEngineSpec.get_extended_aggregation_func("MEDIAN") is None
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