mirror of
https://github.com/apache/superset.git
synced 2026-04-09 11:25:23 +00:00
2055ecc1ba
* feat: refactor error components and add database issue code * Apply suggestions from code review Co-authored-by: John Bodley <4567245+john-bodley@users.noreply.github.com> Co-authored-by: John Bodley <4567245+john-bodley@users.noreply.github.com>
52 lines
2.3 KiB
Python
52 lines
2.3 KiB
Python
# 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 Optional
|
|
|
|
from superset.db_engine_specs.base import BaseEngineSpec
|
|
from superset.utils import core as utils
|
|
|
|
|
|
class KylinEngineSpec(BaseEngineSpec): # pylint: disable=abstract-method
|
|
"""Dialect for Apache Kylin"""
|
|
|
|
engine = "kylin"
|
|
engine_name = "Apache Kylin"
|
|
|
|
_time_grain_expressions = {
|
|
None: "{col}",
|
|
"PT1S": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO SECOND) AS TIMESTAMP)",
|
|
"PT1M": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MINUTE) AS TIMESTAMP)",
|
|
"PT1H": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO HOUR) AS TIMESTAMP)",
|
|
"P1D": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO DAY) AS DATE)",
|
|
"P1W": "CAST(TIMESTAMPADD(WEEK, WEEK(CAST({col} AS DATE)) - 1, \
|
|
FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)",
|
|
"P1M": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MONTH) AS DATE)",
|
|
"P0.25Y": "CAST(TIMESTAMPADD(QUARTER, QUARTER(CAST({col} AS DATE)) - 1, \
|
|
FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)",
|
|
"P1Y": "CAST(FLOOR(CAST({col} AS TIMESTAMP) TO YEAR) AS DATE)",
|
|
}
|
|
|
|
@classmethod
|
|
def convert_dttm(cls, target_type: str, dttm: datetime) -> Optional[str]:
|
|
tt = target_type.upper()
|
|
if tt == utils.TemporalType.DATE:
|
|
return f"CAST('{dttm.date().isoformat()}' AS DATE)"
|
|
if tt == utils.TemporalType.TIMESTAMP:
|
|
return f"""CAST('{dttm.isoformat(sep=" ", timespec="seconds")}' AS TIMESTAMP)""" # pylint: disable=line-too-long
|
|
return None
|