migrations/versions/8d3a90a31246_.py
"""empty message
Revision ID: 8d3a90a31246
Revises: 7ed42c8dc5cc
Create Date: 2016-06-05 10:28:20.095006
"""
# revision identifiers, used by Alembic.
revision = '8d3a90a31246'
down_revision = '7ed42c8dc5cc'
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utils
def upgrade():
### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(u'user_login_key', 'user', type_='unique')
op.drop_column('user', 'login')
### end Alembic commands ###
def downgrade():
### commands auto generated by Alembic - please adjust! ###
op.add_column('user', sa.Column('login', sa.VARCHAR(length=80), autoincrement=False, nullable=True))
op.create_unique_constraint(u'user_login_key', 'user', ['login'])
### end Alembic commands ###