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5a1c68177e
* fix(elasticsearch): cast does not take effect for time zone settings * test(elasticsearch): add test * fix(test): fix typo * docs(elasticsearch): add annotation * docs(elasticsearch): add time_zone desc * docs(elasticsearch): fix typo * refactor(db_engine): change convert_dttm signature * fix(test): fix test * fix(es): add try catch * fix(test): fix caplog * fix(test): fix typo
86 lines
3.0 KiB
Python
86 lines
3.0 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 Any, Dict, Optional
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from superset.db_engine_specs.base import BaseEngineSpec, LimitMethod
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from superset.utils import core as utils
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class FirebirdEngineSpec(BaseEngineSpec):
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"""Engine for Firebird"""
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engine = "firebird"
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engine_name = "Firebird"
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# Firebird uses FIRST to limit: `SELECT FIRST 10 * FROM table`
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limit_method = LimitMethod.FETCH_MANY
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_time_grain_expressions = {
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None: "{col}",
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"PT1S": (
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"CAST(CAST({col} AS DATE) "
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"|| ' ' "
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"|| EXTRACT(HOUR FROM {col}) "
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"|| ':' "
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"|| EXTRACT(MINUTE FROM {col}) "
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"|| ':' "
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"|| FLOOR(EXTRACT(SECOND FROM {col})) AS TIMESTAMP)"
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),
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"PT1M": (
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"CAST(CAST({col} AS DATE) "
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"|| ' ' "
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"|| EXTRACT(HOUR FROM {col}) "
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"|| ':' "
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"|| EXTRACT(MINUTE FROM {col}) "
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"|| ':00' AS TIMESTAMP)"
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),
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"PT1H": (
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"CAST(CAST({col} AS DATE) "
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"|| ' ' "
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"|| EXTRACT(HOUR FROM {col}) "
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"|| ':00:00' AS TIMESTAMP)"
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),
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"P1D": "CAST({col} AS DATE)",
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"P1M": (
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"CAST(EXTRACT(YEAR FROM {col}) "
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"|| '-' "
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"|| EXTRACT(MONTH FROM {col}) "
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"|| '-01' AS DATE)"
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),
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"P1Y": "CAST(EXTRACT(YEAR FROM {col}) || '-01-01' AS DATE)",
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}
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@classmethod
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def epoch_to_dttm(cls) -> str:
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return "DATEADD(second, {col}, CAST('00:00:00' AS TIMESTAMP))"
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@classmethod
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def convert_dttm(
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cls, target_type: str, dttm: datetime, db_extra: Optional[Dict[str, Any]] = None
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) -> Optional[str]:
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tt = target_type.upper()
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if tt == utils.TemporalType.TIMESTAMP:
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dttm_formatted = dttm.isoformat(sep=" ")
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dttm_valid_precision = dttm_formatted[: len("YYYY-MM-DD HH:MM:SS.MMMM")]
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return f"CAST('{dttm_valid_precision}' AS TIMESTAMP)"
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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.TIME:
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return f"CAST('{dttm.time().isoformat()}' AS TIME)"
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return None
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