text: """empty message
  
  Revision ID: cf6c5b9c87d2
  Revises: 1eaba328ce8e
  Create Date: 2020-06-12 11:27:07.958168
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = 'cf6c5b9c87d2'
  down_revision = '1eaba328ce8e'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('queuemanager', sa.Column('is_delete', sa.Boolean(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('queuemanager', 'is_delete')
      # ### end Alembic commands ###
  