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104 lines
2.8 KiB
Python
104 lines
2.8 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""remove double percents
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Revision ID: 4451805bbaa1
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Revises: afb7730f6a9c
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Create Date: 2018-06-13 10:20:35.846744
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"""
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# revision identifiers, used by Alembic.
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revision = "4451805bbaa1"
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down_revision = "bddc498dd179"
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import json
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from alembic import op
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from sqlalchemy import Column, create_engine, ForeignKey, Integer, String, Text
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from sqlalchemy.ext.declarative import declarative_base
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from superset import db
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Base = declarative_base()
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class Slice(Base):
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__tablename__ = "slices"
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id = Column(Integer, primary_key=True)
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datasource_id = Column(Integer, ForeignKey("tables.id"))
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datasource_type = Column(String(200))
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params = Column(Text)
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class Table(Base):
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__tablename__ = "tables"
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id = Column(Integer, primary_key=True)
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database_id = Column(Integer, ForeignKey("dbs.id"))
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class Database(Base):
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__tablename__ = "dbs"
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id = Column(Integer, primary_key=True)
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sqlalchemy_uri = Column(String(1024))
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def replace(source, target):
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bind = op.get_bind()
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session = db.Session(bind=bind)
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query = (
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session.query(Slice, Database)
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.join(Table, Slice.datasource_id == Table.id)
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.join(Database, Table.database_id == Database.id)
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.filter(Slice.datasource_type == "table")
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.all()
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)
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for slc, database in query:
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try:
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engine = create_engine(database.sqlalchemy_uri)
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if engine.dialect.identifier_preparer._double_percents:
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params = json.loads(slc.params)
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if "adhoc_filters" in params:
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for filt in params["adhoc_filters"]:
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if "sqlExpression" in filt:
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filt["sqlExpression"] = filt["sqlExpression"].replace(
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source, target
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)
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slc.params = json.dumps(params, sort_keys=True)
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except Exception:
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pass
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session.commit()
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session.close()
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def upgrade():
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replace("%%", "%")
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def downgrade():
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replace("%", "%%")
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