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c4d2238a16
* add apache spark3 * add Spark DB engine spec * rebase secret key * modify License error * rebase databricks * modify code style * black code style Co-authored-by: kai.he01 <kai.he01@idiaoyan.com>
42 lines
1.5 KiB
Python
42 lines
1.5 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.hive import HiveEngineSpec
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time_grain_expressions = {
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None: "{col}",
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"PT1S": "date_trunc('second', {col})",
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"PT1M": "date_trunc('minute', {col})",
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"PT1H": "date_trunc('hour', {col})",
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"P1D": "date_trunc('day', {col})",
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"P1W": "date_trunc('week', {col})",
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"P1M": "date_trunc('month', {col})",
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"P3M": "date_trunc('quarter', {col})",
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"P1Y": "date_trunc('year', {col})",
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"P1W/1970-01-03T00:00:00Z": (
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"date_trunc('week', {col} + interval '1 day') + interval '5 days'"
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),
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"1969-12-28T00:00:00Z/P1W": (
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"date_trunc('week', {col} + interval '1 day') - interval '1 day'"
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),
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}
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class SparkEngineSpec(HiveEngineSpec):
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_time_grain_expressions = time_grain_expressions
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engine_name = "Apache Spark SQL"
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