"""add artist column to encrypted content

Revision ID: b1f2d3c4a5b6
Revises: a7c1357e8d15
Create Date: 2024-06-05 00:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'b1f2d3c4a5b6'
down_revision: Union[str, None] = 'a7c1357e8d15'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('encrypted_contents', sa.Column('artist', sa.String(length=512), nullable=True))


def downgrade() -> None:
    op.drop_column('encrypted_contents', 'artist')