superset 2019-11-06_15-23_78ee127d0d1d_reconvert_legacy_filters_into_adhoc 源码
superset 2019-11-06_15-23_78ee127d0d1d_reconvert_legacy_filters_into_adhoc 代码
文件路径：/superset/migrations/versions/2019-11-06_15-23_78ee127d0d1d_reconvert_legacy_filters_into_adhoc.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
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# KIND, either express or implied. See the License for the
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"""reconvert legacy filters into adhoc
Revision ID: 78ee127d0d1d
Revises: c2acd2cf3df2
Create Date: 2019-11-06 15:23:26.497876
"""
# revision identifiers, used by Alembic.
revision = "78ee127d0d1d"
down_revision = "c2acd2cf3df2"
import copy
import json
import logging
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():
if slc.params:
try:
source = json.loads(slc.params)
target = copy.deepcopy(source)
convert_legacy_filters_into_adhoc(target)
if source != target:
slc.params = json.dumps(target, sort_keys=True)
except Exception as ex:
logging.warn(ex)
session.commit()
session.close()
def downgrade():
pass
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