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
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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})"
