superset 2021-05-27_16-10_6f139c533bea_add_advanced_data_types_to_column_models 源码
superset 2021-05-27_16-10_6f139c533bea_add_advanced_data_types_to_column_models 代码
文件路径：/superset/migrations/versions/2021-05-27_16-10_6f139c533bea_add_advanced_data_types_to_column_models.py
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# 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
#
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"""adding advanced data type to column models
Revision ID: 6f139c533bea
Revises: cbe71abde154
Create Date: 2021-05-27 16:10:59.567684
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "6f139c533bea"
down_revision = "cbe71abde154"
def upgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.add_column(
sa.Column(
"advanced_data_type",
sa.VARCHAR(255),
nullable=True,
)
)
with op.batch_alter_table("columns") as batch_op:
batch_op.add_column(
sa.Column(
"advanced_data_type",
sa.VARCHAR(255),
nullable=True,
)
)
with op.batch_alter_table("sl_columns") as batch_op:
batch_op.add_column(
sa.Column(
"advanced_data_type",
sa.Text,
nullable=True,
)
)
def downgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.drop_column("advanced_data_type")
with op.batch_alter_table("columns") as batch_op:
batch_op.drop_column("advanced_data_type")
with op.batch_alter_table("sl_columns") as batch_op:
batch_op.drop_column("advanced_data_type")
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