"""Add the initial_comment on the PR table

Revision ID: 4cae55a80a42

Revises: 1f3de3853a1a

Create Date: 2016-03-01 12:00:34.823097

"""

# revision identifiers, used by Alembic.

revision = '4cae55a80a42'

down_revision = '1f3de3853a1a'

from alembic import op

import sqlalchemy as sa

def upgrade():

    ''' Add the column initial_comment to the table pull_requests.

    '''

    op.add_column(

        'pull_requests',

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

    )

def downgrade():

    ''' Remove the column initial_comment from the table pull_requests.

    '''

    op.drop_column('pull_requests', 'initial_comment')