superset 2018-11-05_08-42_0b1f1ab473c0_add_extra_column_to_query 源码
superset 2018-11-05_08-42_0b1f1ab473c0_add_extra_column_to_query 代码
文件路径：/superset/migrations/versions/2018-11-05_08-42_0b1f1ab473c0_add_extra_column_to_query.py
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# 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
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"""Add extra column to Query
Revision ID: 0b1f1ab473c0
Revises: 55e910a74826
Create Date: 2018-11-05 08:42:56.181012
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "0b1f1ab473c0"
down_revision = "55e910a74826"
def upgrade():
with op.batch_alter_table("query") as batch_op:
batch_op.add_column(sa.Column("extra_json", sa.Text(), nullable=True))
def downgrade():
with op.batch_alter_table("query") as batch_op:
batch_op.drop_column("extra_json")
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