superset 2019-06-04_10-12_d7c1a0d6f2da_remove_limit_used_from_query_model 源码
superset 2019-06-04_10-12_d7c1a0d6f2da_remove_limit_used_from_query_model 代码
文件路径：/superset/migrations/versions/2019-06-04_10-12_d7c1a0d6f2da_remove_limit_used_from_query_model.py
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# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
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"""Remove limit used from query model
Revision ID: d7c1a0d6f2da
Revises: afc69274c25a
Create Date: 2019-06-04 10:12:36.675369
"""
# revision identifiers, used by Alembic.
revision = "d7c1a0d6f2da"
down_revision = "afc69274c25a"
import sqlalchemy as sa
from alembic import op
def upgrade():
with op.batch_alter_table("query") as batch_op:
batch_op.drop_column("limit_used")
def downgrade():
op.add_column("query", sa.Column("limit_used", sa.BOOLEAN(), nullable=True))
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