"""empty message

Revision ID: 4ab34de53087
Revises: 1da93403ba52
Create Date: 2022-11-20 12:22:55.594622

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '4ab34de53087'
down_revision = '1da93403ba52'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('character_states',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(length=255), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('name')
    )
    with op.batch_alter_table('characters', schema=None) as batch_op:
        batch_op.add_column(sa.Column('state_id', sa.Integer(), nullable=False))
        batch_op.create_foreign_key(None, 'character_states', ['state_id'], ['id'], ondelete='CASCADE')

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('characters', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.drop_column('state_id')

    op.drop_table('character_states')
    # ### end Alembic commands ###