38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
#
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#
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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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from sqlalchemy import Index, MetaData, Table
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INDEXES = {
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# `table_name`: ((`index_name`, `column`),)
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"user": (('ix_user_id', 'id'),),
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"source": (('ix_source_id', 'id'),),
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"project": (('ix_project_id', 'id'),),
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"meter": (('ix_meter_id', 'id'),),
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"alarm": (('ix_alarm_id', 'id'),),
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"resource": (('ix_resource_id', 'id'),)
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}
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def upgrade(migrate_engine):
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meta = MetaData(bind=migrate_engine)
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load_tables = dict((table_name, Table(table_name, meta, autoload=True))
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for table_name in INDEXES.keys())
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for table_name, indexes in INDEXES.items():
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table = load_tables[table_name]
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for index_name, column in indexes:
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index = Index(index_name, table.c[column])
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index.drop()
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