superset2.0.0 支持MaxCompute 时间颗粒

编译的时候需要在superset/superset/db_engine_specs以下路径增加一个 odps.py的文件

# Licensed to the Apache Software Foundation (ASF) under one

# or more contributor license agreements. See the NOTICE file

# distributed with this work for additional information

# regarding copyright ownership. The ASF licenses this file

# to you under the Apache License, Version 2.0 (the

# "License"); you may not use this file except in compliance

# with the License. You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing,

# software distributed under the License is distributed on an

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# specific language governing permissions and limitations

# under the License.

from datetime import datetime

from typing import Any, Dict, List, Optional, Tuple

from superset.db_engine_specs.base import BaseEngineSpec

from superset.utils import core as utils

class ODPSEngineSpec(BaseEngineSpec):

engine = "odps"

engine_name = "MaxCompute"

_time_grain_expressions = {

None: "{col}",

"PT1S": "CAST({col} as DATETIME)",

"PT1M": "DATETRUNC(CAST({col} as DATETIME),'MI')",

"PT1H": "DATETRUNC(CAST({col} as DATETIME),'HH')",

"P1D": "DATE({col})",

"P1W": "DATETRUNC(CAST({col} as DATETIME),'w')",

"P1M": "DATETRUNC(CAST({col} as DATETIME),'mon')",

"P3M": "DATETRUNC(CAST({col} as DATETIME),'q')",

"P1Y": "DATETRUNC(CAST({col} as DATETIME),'year')",

}

@classmethod

def convert_dttm(

cls, target_type: str, dttm: datetime, db_extra: Optional[Dict[str, Any]] = None

) -> Optional[str]:

tt = target_type.upper()

if tt == utils.TemporalType.DATE:

return f"TO_DATE('{dttm.date().isoformat()}', 'yyyy-mm-dd')"

if tt == utils.TemporalType.DATETIME:

datetime_formatted = dttm.isoformat(sep=" ", timespec="microseconds")

return f"""TO_DATE('{datetime_formatted}', 'yyyy-mm-dd hh:mi:ss.ff3')"""

return None

@classmethod

def epoch_to_dttm(cls) -> str:

return "from_unixtime({col})"

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superset2.0.0 支持MaxCompute 时间颗粒

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