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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
65 lines
2.2 KiB
Python
65 lines
2.2 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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from datetime import datetime
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from typing import Any, Dict, Optional, TYPE_CHECKING
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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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if TYPE_CHECKING:
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from superset.connectors.sqla.models import TableColumn
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class CrateEngineSpec(BaseEngineSpec):
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engine = "crate"
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engine_name = "CrateDB"
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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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@classmethod
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def epoch_to_dttm(cls) -> str:
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return "{col} * 1000"
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@classmethod
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def epoch_ms_to_dttm(cls) -> str:
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return "{col}"
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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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return f"{dttm.timestamp() * 1000}"
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return None
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@classmethod
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def alter_new_orm_column(cls, orm_col: "TableColumn") -> None:
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if orm_col.type == "TIMESTAMP":
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orm_col.python_date_format = "epoch_ms"
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