37 lines
1.5 KiB
Python
37 lines
1.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from migrate import ForeignKeyConstraint
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import sqlalchemy as sql
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def upgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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registered_limit_table = sql.Table('registered_limit', meta, autoload=True)
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service_table = sql.Table('service', meta, autoload=True)
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region_table = sql.Table('region', meta, autoload=True)
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inspector = sql.inspect(migrate_engine)
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for fk in inspector.get_foreign_keys('registered_limit'):
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if fk['referred_table'] == 'service':
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fkey = ForeignKeyConstraint([registered_limit_table.c.service_id],
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[service_table.c.id],
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name=fk['name'])
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fkey.drop()
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else:
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fkey = ForeignKeyConstraint([registered_limit_table.c.region_id],
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[region_table.c.id],
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name=fk['name'])
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fkey.drop()
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