52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
#
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# 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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import sqlalchemy
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def upgrade(migrate_engine):
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meta = sqlalchemy.MetaData(bind=migrate_engine)
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stack = sqlalchemy.Table('stack', meta, autoload=True)
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sqlalchemy.Column('deleted_at', sqlalchemy.DateTime).create(stack)
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def downgrade(migrate_engine):
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meta = sqlalchemy.MetaData()
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meta.bind = migrate_engine
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stack = sqlalchemy.Table('stack', meta, autoload=True)
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event = sqlalchemy.Table('event', meta, autoload=True)
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user_creds = sqlalchemy.Table('user_creds', meta, autoload=True)
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raw_template = sqlalchemy.Table('raw_template', meta, autoload=True)
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# Remove soft deleted data
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not_deleted = None
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stmt = sqlalchemy.select([stack.c.id,
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stack.c.raw_template_id,
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stack.c.user_creds_id]).\
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where(stack.c.deleted_at != not_deleted)
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deleted_stacks = migrate_engine.execute(stmt)
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for s in deleted_stacks:
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event_del = event.delete().where(event.c.stack_id == s[0])
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migrate_engine.execute(event_del)
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stack_del = stack.delete().where(stack.c.id == s[0])
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migrate_engine.execute(stack_del)
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raw_template_del = raw_template.delete().\
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where(raw_template.c.id == s[1])
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migrate_engine.execute(raw_template_del)
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user_creds_del = user_creds.delete().where(user_creds.c.id == s[2])
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migrate_engine.execute(user_creds_del)
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stack.c.deleted_at.drop()
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