text: """empty message
  
  Revision ID: 0031_store_personalisation
  Revises: 0030_service_id_not_null
  Create Date: 2016-06-20 10:39:50.892847
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '0031_store_personalisation'
  down_revision = '0030_service_id_not_null'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.add_column('notifications', sa.Column('_personalisation', sa.String(), nullable=True))
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('notifications', '_personalisation')
      ### end Alembic commands ###
  