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a6f258747b
* Athena.py: cretaed variable for too long line, removed disabled pylint rule. * Enabled `line-too-long` in `drill.py`. Added variable for too long string. * Reformatted hana.py: - changed return statement into two lines to keep line lenght limit * Enabling pylint rule in hive.py: - `no-name-in-module` for pyhive in several places - `line-too-long` and adding new lines - `unused-import` is not invalid anymore * Enabled `line-too-long` in `kylin.py`. Added variable for too long string. * Enabled `unused_import` in `base.py` from db_engine_specs module. * Enabled `unused_import` in `bigquery.py` from db_engine_specs module. * Enabled `unused_import` in `druid.py` from db_engine_specs module. * fix: athena datetime string converting
53 lines
2.3 KiB
Python
53 lines
2.3 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 datetime import datetime
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from typing import Optional
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from superset.db_engine_specs.base import BaseEngineSpec
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from superset.utils import core as utils
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class KylinEngineSpec(BaseEngineSpec): # pylint: disable=abstract-method
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"""Dialect for Apache Kylin"""
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engine = "kylin"
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engine_name = "Apache Kylin"
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_time_grain_expressions = {
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None: "{col}",
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"PT1S": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO SECOND) AS TIMESTAMP)",
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"PT1M": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MINUTE) AS TIMESTAMP)",
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"PT1H": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO HOUR) AS TIMESTAMP)",
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"P1D": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO DAY) AS DATE)",
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"P1W": "CAST(TIMESTAMPADD(WEEK, WEEK(CAST({col} AS DATE)) - 1, \
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FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)",
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"P1M": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MONTH) AS DATE)",
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"P0.25Y": "CAST(TIMESTAMPADD(QUARTER, QUARTER(CAST({col} AS DATE)) - 1, \
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FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)",
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"P1Y": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO YEAR) AS DATE)",
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}
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@classmethod
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def convert_dttm(cls, target_type: str, dttm: datetime) -> Optional[str]:
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tt = target_type.upper()
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if tt == utils.TemporalType.DATE:
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return f"CAST('{dttm.date().isoformat()}' AS DATE)"
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if tt == utils.TemporalType.TIMESTAMP:
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datetime_fomatted = dttm.isoformat(sep=" ", timespec="seconds")
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return f"""CAST('{datetime_fomatted}' AS TIMESTAMP)"""
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return None
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