"""Add milestone to issues

Revision ID: 36386a60b3fd

Revises: 350efb3f6baf

Create Date: 2016-09-14 11:03:45.673932

"""

# revision identifiers, used by Alembic.

revision = '36386a60b3fd'

down_revision = '350efb3f6baf'

from alembic import op

import sqlalchemy as sa

def upgrade():

    ''' Add the column milestone to the table issues.

    '''

    op.add_column(

        'issues',

        sa.Column('milestone', sa.String(255), nullable=True)

    )

def downgrade():

    ''' Add the column milestone to the table issues.

    '''

    op.drop_column('issues', 'milestone')