| # 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 double percents |
| |
| Revision ID: 4451805bbaa1 |
| Revises: afb7730f6a9c |
| Create Date: 2018-06-13 10:20:35.846744 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = "4451805bbaa1" |
| down_revision = "bddc498dd179" |
| |
| |
| import json |
| |
| from alembic import op |
| from sqlalchemy import Column, create_engine, ForeignKey, 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) |
| datasource_id = Column(Integer, ForeignKey("tables.id")) |
| datasource_type = Column(String(200)) |
| params = Column(Text) |
| |
| |
| class Table(Base): |
| __tablename__ = "tables" |
| |
| id = Column(Integer, primary_key=True) |
| database_id = Column(Integer, ForeignKey("dbs.id")) |
| |
| |
| class Database(Base): |
| __tablename__ = "dbs" |
| |
| id = Column(Integer, primary_key=True) |
| sqlalchemy_uri = Column(String(1024)) |
| |
| |
| def replace(source, target): |
| bind = op.get_bind() |
| session = db.Session(bind=bind) |
| |
| query = ( |
| session.query(Slice, Database) |
| .join(Table, Slice.datasource_id == Table.id) |
| .join(Database, Table.database_id == Database.id) |
| .filter(Slice.datasource_type == "table") |
| .all() |
| ) |
| |
| for slc, database in query: |
| try: |
| engine = create_engine(database.sqlalchemy_uri) |
| |
| if engine.dialect.identifier_preparer._double_percents: |
| params = json.loads(slc.params) |
| |
| if "adhoc_filters" in params: |
| for filt in params["adhoc_filters"]: |
| if "sqlExpression" in filt: |
| filt["sqlExpression"] = filt["sqlExpression"].replace( |
| source, target |
| ) |
| |
| slc.params = json.dumps(params, sort_keys=True) |
| except Exception: |
| pass |
| |
| session.commit() |
| session.close() |
| |
| |
| def upgrade(): |
| replace("%%", "%") |
| |
| |
| def downgrade(): |
| replace("%", "%%") |