"""empty message Revision ID: e1bf78a597a2 Revises: 06d23947e7ef Create Date: 2020-12-06 03:16:59.988464 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = 'e1bf78a597a2' down_revision = '06d23947e7ef' branch_labels = None depends_on = None def upgrade(): op.add_column('package_screenshot', sa.Column('order', sa.Integer(), nullable=True)) op.execute("""UPDATE package_screenshot SET "order" = id""") op.alter_column('package_screenshot', 'order', nullable=False) def downgrade(): op.drop_column('package_screenshot', 'order')