"""Add a description to api token

Revision ID: 3ffec872dfdf

Revises: 770149d96e24

Create Date: 2017-03-23 11:30:34.827399

"""

# revision identifiers, used by Alembic.

revision = '3ffec872dfdf'

down_revision = '770149d96e24'

from alembic import op

import sqlalchemy as sa

def upgrade():

    ''' Add the column description to the table tokens

    '''

    op.add_column(

        'tokens',

        sa.Column('description', sa.Text, nullable=True)

    )

def downgrade():

    ''' Drop the column description from the table tokens.

    '''

    op.drop_column('tokens', 'description')