superset 2022-03-16_23-24_58df9d617f14_add_on_saved_query_delete_tab_state_ 源码
superset 2022-03-16_23-24_58df9d617f14_add_on_saved_query_delete_tabstate 代码
文件路径：/superset/migrations/versions/2022-03-16_23-24_58df9d617f14_add_on_saved_query_delete_tabstate.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.
"""add_on_saved_query_delete_tab_state_null_constraint"
Revision ID: 58df9d617f14
Revises: 6766938c6065
Create Date: 2022-03-16 23:24:40.278937
"""
# revision identifiers, used by Alembic.
revision = "58df9d617f14"
down_revision = "6766938c6065"
import sqlalchemy as sa
from alembic import op
from superset.utils.core import generic_find_fk_constraint_name
def upgrade():
bind = op.get_bind()
insp = sa.engine.reflection.Inspector.from_engine(bind)
with op.batch_alter_table("tab_state") as batch_op:
batch_op.drop_constraint(
generic_find_fk_constraint_name("tab_state", {"id"}, "saved_query", insp),
type_="foreignkey",
)
batch_op.create_foreign_key(
"saved_query_id",
"saved_query",
["saved_query_id"],
["id"],
ondelete="SET NULL",
)
def downgrade():
bind = op.get_bind()
insp = sa.engine.reflection.Inspector.from_engine(bind)
with op.batch_alter_table("tab_state") as batch_op:
batch_op.drop_constraint(
generic_find_fk_constraint_name("tab_state", {"id"}, "saved_query", insp),
type_="foreignkey",
)
batch_op.create_foreign_key(
"saved_query_id",
"saved_query",
["saved_query_id"],
["id"],
)
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