superset 2019-09-11_21-49_5afa9079866a_serialize_schema_permissions_py 源码

  • 2022-10-20
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superset 2019-09-11_21-49_5afa9079866a_serialize_schema_permissions_py 代码

文件路径:/superset/migrations/versions/2019-09-11_21-49_5afa9079866a_serialize_schema_permissions_py.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.
"""serialize_schema_permissions.py

Revision ID: 5afa9079866a
Revises: db4b49eb0782
Create Date: 2019-09-11 21:49:00.608346

"""


# revision identifiers, used by Alembic.
from alembic import op
from sqlalchemy import Column, ForeignKey, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship

from superset import db

revision = "5afa9079866a"
down_revision = "db4b49eb0782"

Base = declarative_base()


class Sqlatable(Base):
    __tablename__ = "tables"

    id = Column(Integer, primary_key=True)
    perm = Column(String(1000))
    schema_perm = Column(String(1000))
    schema = Column(String(255))
    database_id = Column(Integer, ForeignKey("dbs.id"), nullable=False)
    database = relationship("Database", foreign_keys=[database_id])


class Slice(Base):
    __tablename__ = "slices"

    id = Column(Integer, primary_key=True)
    datasource_id = Column(Integer)
    datasource_type = Column(String(200))
    schema_perm = Column(String(1000))


class Database(Base):
    __tablename__ = "dbs"

    id = Column(Integer, primary_key=True)
    database_name = Column(String(250))
    verbose_name = Column(String(250), unique=True)


def upgrade():
    op.add_column(
        "datasources", Column("schema_perm", String(length=1000), nullable=True)
    )
    op.add_column("slices", Column("schema_perm", String(length=1000), nullable=True))
    op.add_column("tables", Column("schema_perm", String(length=1000), nullable=True))

    bind = op.get_bind()
    session = db.Session(bind=bind)
    for t in session.query(Sqlatable).all():
        db_name = (
            t.database.verbose_name
            if t.database.verbose_name
            else t.database.database_name
        )
        if t.schema:
            t.schema_perm = f"[{db_name}].[{t.schema}]"
            table_slices = (
                session.query(Slice)
                .filter_by(datasource_type="table")
                .filter_by(datasource_id=t.id)
                .all()
            )
            for s in table_slices:
                s.schema_perm = t.schema_perm
    session.commit()


def downgrade():
    op.drop_column("tables", "schema_perm")
    op.drop_column("datasources", "schema_perm")
    op.drop_column("slices", "schema_perm")

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