"""empty message

Revision ID: aa6d7b595a94
Revises: aa6d21889d22
Create Date: 2018-05-29 20:09:56.647358

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'aa6d7b595a94'
down_revision = 'aa6d21889d22'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('package', sa.Column('media_license_id', sa.Integer()))
    op.execute('UPDATE package SET media_license_id=license_id')
    op.alter_column('package', 'media_license_id', nullable=False)
    op.alter_column('package', 'license_id', existing_type=sa.INTEGER(),  nullable=False)
    op.create_foreign_key(None, 'package', 'license', ['media_license_id'], ['id'])
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('package', 'license_id',
               existing_type=sa.INTEGER(),
               nullable=True)
    op.drop_column('package', 'media_license_id')
    # ### end Alembic commands ###