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

# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

# KIND, either express or implied.  See the License for the

# 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})"