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subunit2sql/subunit2sql/migrations/versions/10a2b6d4b06e_add_even_more_indexes.py
Matthew Treinish 5a22609d18 Add a migration for another set of index creations
This commit adds a new migration that will create some unique
constraints which will help with the performance of some larger
queries as well as better model the relationships of the
metadata tables.

Change-Id: Ie87fedd6567c7258fec9434b7cc3e23b601159cf
2015-12-02 16:10:49 -05:00

45 lines
1.5 KiB
Python

# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Add even more indexes
Revision ID: 10a2b6d4b06e
Revises: 35cd45895e56
Create Date: 2015-12-01 18:19:11.328298
"""
# revision identifiers, used by Alembic.
revision = '10a2b6d4b06e'
down_revision = '35cd45895e56'
from alembic import op
def upgrade():
with op.batch_alter_table('run_metadata') as batch_op:
batch_op.create_unique_constraint('uq_run_metadata',
['run_id', 'key', 'value'])
with op.batch_alter_table('test_metadata') as batch_op:
batch_op.create_unique_constraint('uq_test_metadata',
['test_id', 'key', 'value'])
with op.batch_alter_table('test_run_metadata') as batch_op:
batch_op.create_unique_constraint('uq_test_run_metadata',
['test_run_id', 'key', 'value'])
def downgrade():
NotImplementedError()