"""multiple genres

Revision ID: 169696bba4ab
Revises: e5449c9b44d9
Create Date: 2019-06-24 11:33:41.093597

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '169696bba4ab'
down_revision = 'e5449c9b44d9'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('CampaignGenre',
    sa.Column('campaign_id', sa.BigInteger(), nullable=False),
    sa.Column('genre_id', sa.Integer(), nullable=False),
    sa.ForeignKeyConstraint(['campaign_id'], ['Campaign.id'], name=op.f('fk_CampaignGenre_campaign_id_Campaign'), ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['genre_id'], ['Genre.id'], name=op.f('fk_CampaignGenre_genre_id_Genre')),
    sa.PrimaryKeyConstraint('campaign_id', 'genre_id', name=op.f('pk_CampaignGenre'))
    )

    op.drop_constraint('fk_Campaign_genre_id_Genre', 'Campaign', type_='foreignkey')
    op.drop_column('Campaign', 'genre_id')
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('CampaignGenre')

    op.add_column('Campaign', sa.Column('genre_id', sa.INTEGER(), autoincrement=False, nullable=False))
    op.create_foreign_key('fk_Campaign_genre_id_Genre', 'Campaign', 'Genre', ['genre_id'], ['id'])
    # ### end Alembic commands ###