migrations/versions/rev-2019-08-10-00:08:43-9d5753192ac9_.py
"""unique constraint on feedback
Revision ID: 9d5753192ac9
Revises: f5c3a4fd23fb
Create Date: 2019-08-10 00:08:43.135975
"""
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utils
# revision identifiers, used by Alembic.
revision = '9d5753192ac9'
down_revision = 'f5c3a4fd23fb'
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_unique_constraint('session_user_uc', 'feedback', ['session_id', 'user_id'])
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint('session_user_uc', 'feedback', type_='unique')
# ### end Alembic commands ###