superset 2021-11-02_17-44_3ba29ecbaac5_change_datatype_of_type_in_basecolumn 源码
superset 2021-11-02_17-44_3ba29ecbaac5_change_datatype_of_type_in_basecolumn 代码
文件路径：/superset/migrations/versions/2021-11-02_17-44_3ba29ecbaac5_change_datatype_of_type_in_basecolumn.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
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# KIND, either express or implied. See the License for the
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# under the License.
"""Change datatype of type in BaseColumn
Revision ID: 3ba29ecbaac5
Revises: abe27eaf93db
Create Date: 2021-11-02 17:44:51.792138
"""
# revision identifiers, used by Alembic.
revision = "3ba29ecbaac5"
down_revision = "abe27eaf93db"
import sqlalchemy as sa
from alembic import op
def upgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.alter_column(
"type", existing_type=sa.VARCHAR(length=32), type_=sa.TEXT()
)
def downgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.alter_column(
"type", existing_type=sa.TEXT(), type_=sa.VARCHAR(length=32)
)
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