superset 2019-10-10_13-52_1495eb914ad3_time_range 源码
superset 2019-10-10_13-52_1495eb914ad3_time_range 代码
文件路径：/superset/migrations/versions/2019-10-10_13-52_1495eb914ad3_time_range.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.
"""time range
Revision ID: 1495eb914ad3
Revises: 258b5280a45e
Create Date: 2019-10-10 13:52:54.544475
"""
import json
import logging
from alembic import op
from sqlalchemy import Column, Integer, Text
from sqlalchemy.ext.declarative import declarative_base
from superset import db
from superset.legacy import update_time_range
# revision identifiers, used by Alembic.
revision = "1495eb914ad3"
down_revision = "258b5280a45e"
Base = declarative_base()
class Slice(Base):
__tablename__ = "slices"
id = Column(Integer, primary_key=True)
params = Column(Text)
def upgrade():
bind = op.get_bind()
session = db.Session(bind=bind)
for slc in session.query(Slice).all():
try:
form_data = json.loads(slc.params)
update_time_range(form_data)
slc.params = json.dumps(form_data, sort_keys=True)
except Exception as ex:
logging.exception(ex)
session.commit()
def downgrade():
bind = op.get_bind()
session = db.Session(bind=bind)
for slc in session.query(Slice).all():
try:
form_data = json.loads(slc.params)
if "time_range" in form_data:
# Note defaults and relative dates are not compatible with since/until
# and thus the time range is persisted.
try:
since, until = form_data["time_range"].split(" : ")
form_data["since"] = since
form_data["until"] = until
del form_data["time_range"]
slc.params = json.dumps(form_data, sort_keys=True)
except ValueError:
pass
except Exception as ex:
logging.exception(ex)
session.commit()
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