superset dao 源码
superset dao 代码
文件路径：/superset/charts/dao.py
# 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.
# pylint: disable=arguments-renamed
import logging
from typing import List, Optional, TYPE_CHECKING
from sqlalchemy.exc import SQLAlchemyError
from superset.charts.filters import ChartFilter
from superset.dao.base import BaseDAO
from superset.extensions import db
from superset.models.core import FavStar, FavStarClassName
from superset.models.slice import Slice
from superset.utils.core import get_user_id
if TYPE_CHECKING:
from superset.connectors.base.models import BaseDatasource
logger = logging.getLogger(__name__)
class ChartDAO(BaseDAO):
model_cls = Slice
base_filter = ChartFilter
@staticmethod
def bulk_delete(models: Optional[List[Slice]], commit: bool = True) -> None:
item_ids = [model.id for model in models] if models else []
# bulk delete, first delete related data
if models:
for model in models:
model.owners = []
model.dashboards = []
db.session.merge(model)
# bulk delete itself
try:
db.session.query(Slice).filter(Slice.id.in_(item_ids)).delete(
synchronize_session="fetch"
)
if commit:
db.session.commit()
except SQLAlchemyError as ex:
db.session.rollback()
raise ex
@staticmethod
def save(slc: Slice, commit: bool = True) -> None:
db.session.add(slc)
if commit:
db.session.commit()
@staticmethod
def overwrite(slc: Slice, commit: bool = True) -> None:
db.session.merge(slc)
if commit:
db.session.commit()
@staticmethod
def favorited_ids(charts: List[Slice]) -> List[FavStar]:
ids = [chart.id for chart in charts]
return [
star.obj_id
for star in db.session.query(FavStar.obj_id)
.filter(
FavStar.class_name == FavStarClassName.CHART,
FavStar.obj_id.in_(ids),
FavStar.user_id == get_user_id(),
)
.all()
]
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