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b9ff85d9ea
* chore(engine): Translate fractional time grains * Bump @superset-ui Co-authored-by: John Bodley <john.bodley@airbnb.com>
41 lines
1.5 KiB
Python
41 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 sqlalchemy.dialects import registry
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from superset.db_engine_specs.impala import ImpalaEngineSpec
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class AscendEngineSpec(ImpalaEngineSpec):
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"""Engine spec for Ascend.io (Hive2+TLS) using Cloudera's Impala"""
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engine = "ascend"
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registry.register("ascend", "impala.sqlalchemy", "ImpalaDialect")
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engine_name = "Ascend"
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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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}
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