"""add drawing_started_at to rounds

Revision ID: 9ef6a51509f7
Revises: 943dbd74d983
Create Date: 2026-07-27 12:31:09.907682

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '9ef6a51509f7'
down_revision: Union[str, Sequence[str], None] = '943dbd74d983'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('rounds', sa.Column('drawing_started_at', sa.DateTime(), nullable=True))
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('rounds', 'drawing_started_at')
    # ### end Alembic commands ###