superset 2018-06-13_14-54_bddc498dd179_adhoc_filters 源码
superset 2018-06-13_14-54_bddc498dd179_adhoc_filters 代码
文件路径：/superset/migrations/versions/2018-06-13_14-54_bddc498dd179_adhoc_filters.py
# Licensed to the Apache Software Foundation (ASF) under one
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# 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.
"""adhoc filters
Revision ID: bddc498dd179
Revises: afb7730f6a9c
Create Date: 2018-06-13 14:54:47.086507
"""
# revision identifiers, used by Alembic.
revision = "bddc498dd179"
down_revision = "80a67c5192fa"
import json
import uuid
from collections import defaultdict
from alembic import op
from sqlalchemy import Column, Integer, Text
from sqlalchemy.ext.declarative import declarative_base
from superset import db
from superset.utils.core import (
convert_legacy_filters_into_adhoc,
split_adhoc_filters_into_base_filters,
)
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:
params = json.loads(slc.params)
convert_legacy_filters_into_adhoc(params)
slc.params = json.dumps(params, sort_keys=True)
except Exception:
pass
session.commit()
session.close()
def downgrade():
bind = op.get_bind()
session = db.Session(bind=bind)
for slc in session.query(Slice).all():
try:
params = json.loads(slc.params)
split_adhoc_filters_into_base_filters(params)
if "adhoc_filters" in params:
del params["adhoc_filters"]
slc.params = json.dumps(params, sort_keys=True)
except Exception:
pass
session.commit()
session.close()
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