superset 2018-04-03_08-19_130915240929_is_sqllab_viz_flow 源码
superset 2018-04-03_08-19_130915240929_is_sqllab_viz_flow 代码
文件路径：/superset/migrations/versions/2018-04-03_08-19_130915240929_is_sqllab_viz_flow.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.
"""is_sqllab_view
Revision ID: 130915240929
Revises: f231d82b9b26
Create Date: 2018-04-03 08:19:34.098789
"""
import sqlalchemy as sa
from alembic import op
from sqlalchemy.ext.declarative import declarative_base
from superset import db
# revision identifiers, used by Alembic.
revision = "130915240929"
down_revision = "f231d82b9b26"
Base = declarative_base()
class Table(Base):
"""Declarative class to do query in upgrade"""
__tablename__ = "tables"
id = sa.Column(sa.Integer, primary_key=True)
sql = sa.Column(sa.Text)
is_sqllab_view = sa.Column(sa.Boolean())
def upgrade():
bind = op.get_bind()
op.add_column(
"tables",
sa.Column(
"is_sqllab_view",
sa.Boolean(),
nullable=True,
default=False,
server_default=sa.false(),
),
)
session = db.Session(bind=bind)
# Use Slice class defined here instead of models.Slice
for tbl in session.query(Table).all():
if tbl.sql:
tbl.is_sqllab_view = True
session.commit()
db.session.close()
def downgrade():
op.drop_column("tables", "is_sqllab_view")
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