| # 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. |
| """remove empty filters |
| |
| Revision ID: afb7730f6a9c |
| Revises: c5756bec8b47 |
| Create Date: 2018-06-07 09:52:54.535961 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = "afb7730f6a9c" |
| down_revision = "c5756bec8b47" |
| |
| import json |
| |
| from alembic import op |
| from sqlalchemy import Column, Integer, Text |
| from sqlalchemy.ext.declarative import declarative_base |
| |
| from superset import db |
| |
| 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) |
| |
| for key in ("filters", "having_filters", "extra_filters"): |
| value = params.get(key) |
| |
| # Remove empty in/not-in filters. |
| if value: |
| params[key] = [ |
| x |
| for x in value |
| if not (x["op"] in ("in", "not in") and not x["val"]) |
| ] |
| |
| slc.params = json.dumps(params, sort_keys=True) |
| except Exception: |
| pass |
| |
| session.commit() |
| session.close() |
| |
| |
| def downgrade(): |
| pass |