superset 2021-04-09_16-14_085f06488938_country_map_use_lowercase_country_name 源码
superset 2021-04-09_16-14_085f06488938_country_map_use_lowercase_country_name 代码
文件路径：/superset/migrations/versions/2021-04-09_16-14_085f06488938_country_map_use_lowercase_country_name.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.
"""Country map use lowercase country name
Revision ID: 085f06488938
Revises: 134cea61c5e7
Create Date: 2021-04-09 16:14:19.040884
"""
import json
from alembic import op
from sqlalchemy import Column, Integer, String, Text
from sqlalchemy.ext.declarative import declarative_base
from superset import db
# revision identifiers, used by Alembic.
revision = "085f06488938"
down_revision = "134cea61c5e7"
Base = declarative_base()
class Slice(Base):
__tablename__ = "slices"
id = Column(Integer, primary_key=True)
params = Column(Text)
viz_type = Column(String(250))
def upgrade():
"""
Convert all country names to lowercase
"""
bind = op.get_bind()
session = db.Session(bind=bind)
for slc in session.query(Slice).filter(Slice.viz_type == "country_map").all():
try:
params = json.loads(slc.params)
if params.get("select_country"):
params["select_country"] = params["select_country"].lower()
slc.params = json.dumps(params, sort_keys=True)
except Exception:
pass
session.commit()
session.close()
def downgrade():
"""
Convert all country names to sentence case
"""
bind = op.get_bind()
session = db.Session(bind=bind)
for slc in session.query(Slice).filter(Slice.viz_type == "country_map").all():
try:
params = json.loads(slc.params)
if params.get("select_country"):
country = params["select_country"].lower()
params["select_country"] = country[0].upper() + country[1:]
slc.params = json.dumps(params, sort_keys=True)
except Exception:
pass
session.commit()
session.close()
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