| # 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. |
| """cleanup_time_grainularity |
| |
| Revision ID: f9a30386bd74 |
| Revises: b5998378c225 |
| Create Date: 2020-03-25 10:42:11.047328 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = "f9a30386bd74" |
| down_revision = "b5998378c225" |
| |
| import json |
| |
| from alembic import op |
| from sqlalchemy import Column, Integer, String, 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) |
| viz_type = Column(String(250)) |
| |
| |
| def upgrade(): |
| """ |
| Remove any erroneous time grainularity fields from slices foor those visualization |
| types which do not support time granularity. |
| |
| :see: https://github.com/apache/superset/pull/8674 |
| :see: https://github.com/apache/superset/pull/8764 |
| :see: https://github.com/apache/superset/pull/8800 |
| :see: https://github.com/apache/superset/pull/8825 |
| """ |
| |
| bind = op.get_bind() |
| session = db.Session(bind=bind) |
| |
| # Visualization types which support time grainularity (hence negate). |
| viz_types = [ |
| "area", |
| "bar", |
| "big_number", |
| "compare", |
| "dual_line", |
| "line", |
| "pivot_table", |
| "table", |
| "time_pivot", |
| "time_table", |
| ] |
| |
| # Erroneous time grainularity fields for either Druid NoSQL or SQL slices which do |
| # not support time grainularity. |
| erroneous = ["grainularity", "time_grain_sqla"] |
| |
| for slc in session.query(Slice).filter(Slice.viz_type.notin_(viz_types)).all(): |
| try: |
| params = json.loads(slc.params) |
| |
| if any(field in params for field in erroneous): |
| for field in erroneous: |
| if field in params: |
| del params[field] |
| |
| slc.params = json.dumps(params, sort_keys=True) |
| except Exception: |
| pass |
| |
| session.commit() |
| session.close() |
| |
| |
| def downgrade(): |
| pass |