# 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 unique constraint for release version

Revision ID: 08aedc089eaf
Revises: ee4c59b2ef3a
Create Date: 2019-11-12 22:51:31.463150
"""

from alembic import op

revision = "08aedc089eaf"
down_revision = "ee4c59b2ef3a"


def upgrade():
    op.create_unique_constraint(None, "releases", ["project_id", "version"])


def downgrade():
    op.drop_constraint(None, "releases", type_="unique")
