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fb51632e18
* Add typing to db_engine_specs * Add more type annotations and docstrings * Add docstrings and typing to sql_parse and db_engine_specs * Refine select_star * Fix execute and add more docstrings * Revert kwargs change from execute * Remove redundant or * Align view and table getter schema types * Fix return type of latest_partition * Remove some typing from presto * Improve docstring for __extract_from_token
34 lines
1.2 KiB
Python
34 lines
1.2 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=C,R,W
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from superset.db_engine_specs.postgres import PostgresBaseEngineSpec
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class RedshiftEngineSpec(PostgresBaseEngineSpec):
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engine = "redshift"
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max_column_name_length = 127
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@staticmethod
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def _mutate_label(label: str) -> str:
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"""
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Redshift only supports lowercase column names and aliases.
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:param label: Expected expression label
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:return: Conditionally mutated label
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"""
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return label.lower()
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