migrations/versions/9ccc41444de6_.py
"""empty message
Revision ID: 9ccc41444de6
Revises: a89a143735e5
Create Date: 2016-07-24 15:55:00.947000
"""
# revision identifiers, used by Alembic.
revision = '9ccc41444de6'
down_revision = 'a89a143735e5'
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utils
def upgrade():
### commands auto generated by Alembic - please adjust! ###
op.add_column('call_for_papers', sa.Column('hash', sa.String(), nullable=True))
### end Alembic commands ###
def downgrade():
### commands auto generated by Alembic - please adjust! ###
op.drop_column('call_for_papers', 'hash')
### end Alembic commands ###